Updated on 2024/04/24

写真a

 
TAKASHIMIZU Yasuhiro
 
Organization
Academic Assembly Institute of Humanities and Social Sciences KYOIKUGAKU KEIRETU Associate Professor
Faculty of Education Mathematical and Natural Sciences Associate Professor
Graduate School of Science and Technology Environmental Science and Technology Earth Science Associate Professor
Title
Associate Professor
Homepage
http://scholar.google.com/citations?user=g_ncc7oAAAAJ&hl=en
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External link

Degree

  • 博士（理学） ( 2001.3   新潟大学 )

Research Interests

  • Sedimentary geology

  • Paleo-tsunami

  • Hokkaido

  • Tsunami deposits

  • Sediment texture

Research Areas

  • Natural Science / Solid earth sciences  / Sedimentary Geology

Research History (researchmap)

  • Niigata University   Faculty of Education Mathematical and Natural Sciences   Associate Professor

    2009.5

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  • Niigata University   Graduate School of Education School Subjects   Associate Professor

    2009.5

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  • Geological survey of Hokkaido

    2001.4 - 2009.4

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  • Niigata University Faculty of Education Chair of Mathematical and Natural Sciences   Associate Professor

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Research History

  • Niigata University   Graduate School of Science and Technology Environmental Science and Technology Earth Science   Associate Professor

    2018.4

  • Niigata University   Faculty of Education Mathematical and Natural Sciences   Associate Professor

    2009.5

  • Niigata University   Graduate School of Education School Subjects   Associate Professor

    2009.5 - 2017.3

 

Papers

  • Orbital Forcing and Evolution of the Southern African Monsoon From Late Miocene to Early Pliocene Reviewed

    Allana Queiroz de Azevedo, Francisco J. Jiménez‐Espejo, Francesca Bulian, Francisco J. Sierro, Deborah Tangunan, Yasuhiro Takashimizu, Ana Luiza S. Albuquerque, Kaoru Kubota, Carlota Escutia, Richard D. Norris, Sidney R. Hemming, Ian R. Hall

    Paleoceanography and Paleoclimatology   38 ( 9 )   2023.8

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：American Geophysical Union (AGU)  

    Abstract

    The late Miocene‐early Pliocene (7.4‐4.5 Ma) is a key interval in Earth's history where intense reorganization of atmospheric and ocean circulation occurred within a global cooling scenario. The Southern African monsoon (SAFM) potentially played an important role in climate systems variability during this interval. However, the dynamics of this important atmospheric system is poorly understood due to the scarcity of continuous records. Here, we present an exceptional continuous late Miocene to early Pliocene reconstruction of SAFM based on elemental geochemistry (Ca/Ti and Si/K ratios), stable isotope geochemistry (δ<sup>18</sup>O and δ<sup>13</sup>C recorded in the planktonic foraminiferaOrbulina universa), and marine sediment grain size data from the International Ocean Discovery Program (IODP) Site U1476 located at the entrance of the Mozambique Channel. Spectral characteristics of the Si/K ratio (fluvial input) was used to identify the main orbital forcing controlling SAFM. Precession cycles governed precipitation from 7.4 to ∼6.9 Ma and during the early Pliocene. From ∼6.9 to ∼5.9 Ma, the precession and long eccentricity cycles drove the SAFM. The major Antarctic ice sheet expansion across this interval appear to influence the isotopic records ofO. universaimprinting its long‐term variability signal as a response to the ocean and atmospheric reorganization. Precession cycles markedly weakened from 5.9 to 5.3 Ma, almost the same period when the Mediterranean Outflow Water ceased. These findings highlight important teleconnections among the SAFM, Mediterranean Sea, and other tropical regions.

    DOI： 10.1029/2022pa004588

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  • Sedimentological characteristics and distribution of shallow-marine tsunami deposits in shallow-marine sediments of Hirota Bay, Sanriku Rias, Japan Reviewed

    Yokoyama, Y, Sakamoto, I, Takashimizu, Y, Shimizu, Y

    Journal of the Sedimentological Society of Japan   79 ( 2 )   47 - 69   2021.2

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

    DOI： 10.4096/jssj.79.47

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  • Tsunamis caused by offshore active faults and their deposits Reviewed

    Yasuhiro Takashimizu, Gentaro Kawakami, Atsushi Urabe

    Earth-Science Reviews   211   103380 - 103380   2020.12

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    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

    DOI： 10.1016/j.earscirev.2020.103380

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  • Diatom assemblages in the 2011 Tohoku-oki tsunami deposits and underlying soil in the Sendai Plain Reviewed

    Yoshiki Sato, Yasuhiro Takashimizu, Atsushi Urabe

    Diatom   36   85 - 91   2020.12

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

    DOI： 10.11464/diatom.36.85

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  • Reconstruction of Late Holocene Extreme Hydrological Events of the Valentin Bay Coast, the Sea of Japan Reviewed

    N. G. Razjigaeva, L. A. Ganzey, Yu. Nishimura, T. A. Grebennikova, D. Sugawara, Y. Takashimizu, I. I. Lebedev, A. O. Gorbunov, Kh. A. Arslanov, F. E. Maksimov, A. Yu. Petrov

    Russian Journal of Pacific Geology   14 ( 2 )   180 - 192   2020.3

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    Publishing type：Research paper (scientific journal)   Publisher：Pleiades Publishing Ltd  

    DOI： 10.1134/s1819714020020086

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    Other Link： http://link.springer.com/article/10.1134/S1819714020020086/fulltext.html

  • Proposal of the Moon observation using 'Tsukuyomi', a simple angle measurement instrumen

    Fujibayashi Norie, Yamakami Haruna, Takahashi Yoko, Takashimizu Yasuhiro, Saitoh Akifumi

    Bulletinofthe Faculty of Education (Natural Sciences), Niigata University   11 ( 2 )   113 - 123   2019.3

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    Language：Japanese   Publishing type：Research paper (bulletin of university, research institution)  

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  • Review of the studies of tsunami deposit of Hokkaido, northern Japan: Focusing on the tsunami deposits of Northern Territory and fault models of the western Pacific coast of Hokkaido Reviewed

    Yasuhiro Takashimizu

    Journal of Geological Society of Japan   123 ( 10 )   805 - 817   2017.11

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    Language：Japanese  

    DOI： 10.5575/geosoc.2017.0044

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  • Tsunamis and possible event deposits of tsunami origin along the eastern margin of the Japan Sea Reviewed

    Kawakami G, Kase Y, Urabe A, Takashimizu Y, Nishina K

    Journal of Geological Society of Japan   123 ( 10 )   857 - 877   2017.11

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    Language：Japanese   Publisher：The Geological Society of Japan  

    <p>Extensive research has been conducted on tsunamigenic deposits along the eastern margin of the Japan Sea since the 2011 Tohoku Earthquake and tsunami. This paper reviews the characteristics of the large known tsunamis and the possible tsunamigenic deposits identified in this region. We have also reconstructed the spatio-temporal distribution, and a provisional correlation, of the tsunamigenic deposits in order to estimate the tsunami recurrence intervals and their wave source regions.</p><p>Most of the tsunamigenic deposits were recognized in peaty and marshy deposits found on swales of coastal dunes, flood plains, and small valley plains. Large numbers of tsunamigenic sandy layers were also identified in lagoonal deposits. In addition, some gravelly deposits of possible tsunamigenic were recognized on top of low-lying marine terraces and slope talus.</p><p>Although several historical tsunamis in the 18-19th centuries have been recorded along the eastern margin of the Japan Sea, there are few localities where deposits can be correlated to these records. Tsunamigenic deposits suggest that four tsunami events have occurred during the 9-14th centuries, despite there being limited historical records of tsunamis older than the 18th century. The distribution of these four deposits is as follows: 14th century = Aomori-northern Yamagata; 12th century = southwestern Hokkaido; 11th century (?1092 AD) = Sado/Niigata-southern Yamagata; 9th century (?850 AD) = (Sado)-Yamagata-Aomori. These events are also recorded in the deep-sea Japan Basin as seismo-turbidites. Most tsunamigenic deposits older than the 9th century have only been identified at remote islands (Okushiri, Tobishima, and Sado).</p><p>Several unanswered research questions on these tsunamigenic deposits remain, such as robust identification of the origins and precise ages of the deposits. Our work provides a framework for future screening of potential tsunamigenic deposit data and an improved understanding of paleotsunami events along the eastern margin of the Japan Sea.</p>

    DOI： 10.5575/geosoc.2017.0054

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  • Various tsunami deposits in Japan Reviewed

    Takashimizu Y, Goto K, Sugawara D, Kawakami G

    Journal of Geological Society of Japan   123 ( 10 )   III - IV   2017.11

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    Language：Japanese   Publisher：The Geological Society of Japan  

    DOI： 10.5575/geosoc.2017.0062

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  • Educational practice of meteorological observation using sand dune landform

    Takashimizu Y, Yamakami H, Saito Y, Takahashi A, Tamaki E, Honda M, Takahashi Y

    Bulletin of the Faculuty of Education (Natural Sciences), NIIGATA UNIVERSITY   10 ( 1 )   55 - 63   2017.10

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  • Identification of a 17th-century tsunami deposit on the northern Hidaka Coast, Hokkaido, northern Japan Reviewed

    Takashimizu, Y, Nishina, K, Kawakami, G, Sato, Y, Okamura, S, Nakanishi, R, Tamura, M, Hirose, H, Takahashi, R, Ishimaru, S

    The Quaternary Research (Daiyonki-Kenkyu)   56 ( 1 )   1 - 9   2017.2

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    Language：Japanese   Publisher：Japan Association for Quaternary Research  

    <p>A characteristic sandy event layer, probably resulting from a 17th-century tsunami, was discovered from the coastal sediments in the central part of the Pacific coast (northern Hidaka coast) of Hokkaido, northern Japan. The event layer is intercalated with an organic medium-grained sand layer (called "Kurosuna" in Japanese) and peat. The event layer, which shows thinning and fining trends in an inland direction, is distributed at least 150m inland from the present shoreline and at a height of 3.86m above sea level. Occurrence of the diatom indicator of an outer bay environment <i>Thalassionema nitzschioides</i> marks the event layer. These features indicate that the event layer was formed by a tsunami. The time of the event layer formation is inferred to be in the early to middle 1600s, because the event layer is deposited right below the AD 1663 Us-b tephra, separated by a very thin intervening peat layer.</p>

    DOI： 10.4116/jaqua.56.1

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  • Identification of tsunami deposits

    Goto K, Sugawara D, Fujino S, Komatsubara J, Sawai Y, Takashimizu Y

    Research Report of Tsunami Engnieering   33 ( 33 )   45 - 54   2017

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  • Tsunami deposits recognized in Okushiri Island, southwestern Hokkaido, Japan Reviewed

    Kase Y, Nishina K, Kawakami G, Hayashi K, Takashimizu Y, Hirose W, Sagayama T, Takahashi R, Watanabe T, Koshimizu K, Tajika J, Otsu S, Urabe A, Okazaki N, Fukami H, Ishimaru S

    Journal of Geological Society of Japan   122 ( 11 )   587 - 602   2016.11

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    Language：Japanese   Publisher：The Geological Society of Japan  

    <p>Okushiri Island, located in southwest Hokkaido, Japan, was hit by an earthquake-generated tsunami in July 1993. An excavation survey revealed several event sand beds, interbedded with peaty sediments, in the lowland at the southernmost part of the island. These beds consist of relatively well-sorted fine- to medium-grained sand similar to sandy shoreline deposits; they are normally graded, fining and thinning landwards. Some beds show partial erosional bases and ripple cross-laminations, implying landward-directed paleocurrents, and grain fabrics also indicate the landward dispersal of clastics. The sand beds yield marine organic-walled microfossils such as dinoflagellate cysts and foraminiferal linings. These findings indicate that the sand beds are of tsunami origin. The results of carbon-14 dating and tephrochronology indicate that at least six tsunami events, including the AD 1741 Oshima-Ohshima and the AD 1993 Hokkaido Nansei-Oki tsunamis, have hit the island over the past 3000-4000 years.</p>

    DOI： 10.5575/geosoc.2016.0042

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  • Reworked tsunami deposits by bottom currents: Circumstantial evidences from Late Pleistocene to Early Holocene in the Gulf of Cadiz Reviewed

    Y. Takashimizu, R. Kawamura, F. J. Rodriguez-Tovar, J. Dorador, E. Ducassou, F. J. Hernandez-Molina, D. A. V. Stow, C. A. Alvarez-Zarikian

    MARINE GEOLOGY   377   95 - 109   2016.7

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：ELSEVIER SCIENCE BV  

    Younger Sand layers (YSLs) have been identified in drill cores of a Late Glacial to Early Holocene muddy contourite succession from the Gulf of Cadiz. In this study, we evaluate the grain size characteristics of the YSL, which display bi-gradational grading, with inverse grading (from silt to fine- or medium-grained sand) followed by normal grading (from fine- or medium-grained sand to silt). Radiocarbon dating shows that the YSL formed at three distinct times: 1) the Bolling-Allerod (sites U1387 and U1386); 2) the Younger Dryas (site U1390), and; 3) the beginning of the Boreal (site U1389). Ichnological analyses and radiocarbon dating of cores from drill site U1389C indicate that the YSLs consist of reworked materials deposited at a high sedimentation rate. The results of sedimentological analyses, ichnological treatment, spatial distributions, and radiocarbon dating of the YSLs suggest that the possibility of an origin of the YSLs is tsunami-related but later reworked by bottom current. However, the source areas of the sandy sediments remain unclear, although our results show them to be variable and area dependent. Some sandy deposits are transported by the Mediterranean Outflow Water (MOW) from the proximal sector of the Gulf of Cadiz Contourite Depositional System (CDS), which is close to the Strait of Gibraltar. However, in other cases it is more probable that local gravity flows, which are the result of instability on adjacent margins, provide the sandy material. (C) 2015 Elsevier B.V. All rights reserved.

    DOI： 10.1016/j.margeo.2015.09.009

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  • Depositional facies and sequence of the latest Pleistocene to Holocene incised valley fill in Kushiro Plain, Hokkaido, northern Japan Reviewed

    Yasuhiro Takashimizu, Takashiro Shibuya, Yuichi Abe, Taku Otsuka, Shinya Suzuki, Chihiro Ishii, Yuki Miyama, Hiromasa Konishi, Sung Gi Hu

    QUATERNARY INTERNATIONAL   397   159 - 172   2016.3

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：PERGAMON-ELSEVIER SCIENCE LTD  

    The development of the latest Pleistocene to Holocene incised valley fill in the Kushiro area, Hokkaido, Japan is investigated in this study. Nine boring core samples drilled in the Kushiro marsh were examined using depositional facies analysis, total sulfur content (TSC) measurement, and radiocarbon dating methods. Based on these methods, 12 depositional facies were recognized including marsh, subaqueous talus, bay-head delta, sand dune, beach, shoreface, barrier sand body, drowned valley-central basin, salt marsh, fluvial, pond, and pyroclastic deposits. The incised valley fill forms a depositional sequence primarily controlled by glacio-eustatic sea-level changes. The lowstand systems tract is composed of river deposits. The transgressive systems tract includes salt marsh, drowned-valley fill central basin, bay-head delta, barrier sand body, central basin, and subaqueous talus deposits. The highstand systems tract is composed of barrier sand body, shoreface, beach, sand dune, central basin bay-head delta, marsh, salt marsh, subaqueous talus, fluvial, and pond facies. Radiocarbon dating analysis indicates that the period of maximum marine flooding was around 7 ka cal. BP. (C) 2015 Elsevier Ltd and INQUA. All rights reserved.

    DOI： 10.1016/j.quaint.2015.07.061

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  • New parameter of roundness R: circularity corrected by aspect ratio Reviewed

    Yasuhiro Takashimizu, Maiko Iiyoshi

    PROGRESS IN EARTH AND PLANETARY SCIENCE   3 ( 2 )   1 - 16   2016.1

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：SPRINGER  

    In this paper, we propose a new roundness parameter R, to denote circularity corrected by aspect ratio. The basic concept of this new roundness parameter is given by the following equation:
    R = Circularity + (Circularity (perfect circle) Circularity (aspect ratio))
    where Circularity(perfect circle) is the maximum value of circularity and Circularity(aspect ratio) is the circularity when only the aspect ratio varies from that of a perfect circle. Based on tests of digital circle and ellipse images using ImageJ software, the effective sizes and aspect ratios of such images for the calculation of R were found to range between 100 and 1024 pixels, and 10: 1 to 10: 10, respectively. R is thus given by
    R = C-I + (0.913-C-AR)
    where CI is the circularity measured using ImageJ software and C-AR is the sixth-degree function of the aspect ratio measured using the same software. The correlation coefficient between the new parameter R and Krumbein's roundness is 0.937 (adjusted coefficient of determination = 0.874). Results from the application of R to modern beach and slope deposits showed that R is able to quantitatively separate both types of material in terms of roundness. Therefore, we believe that the new roundness parameter R will be useful for performing precise statistical analyses of the roundness of particles in the future.

    DOI： 10.1186/s40645-015-0078-x

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  • Differences of distributions patterns between tsunami gravels and storm gravels on a surface of storm swash terraces

    Nishina Kenji, Kawakami Gentaro, Kase Yoshihiro, Hirose Wataru, Urabe Atsushi, Takashimizu Yasuhiro, Hirakawa Kazuomi

    Annual Meeting of the Geological Society of Japan   2016 ( 0 )   36 - 36   2016

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    Language：Japanese   Publisher：The Geological Society of Japan  

    DOI： 10.14863/geosocabst.2016.0_036

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  • Features of tsunami deposits analyzed by inorganic geochemistry

    Kase Yoshihiro, Kawakami Gentaro, Nishina Kenji, Hayashi Keiichi, Urabe Atsushi, Takashimizu Yasuhiro

    Annual Meeting of the Geological Society of Japan   2016 ( 0 )   38 - 38   2016

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    Language：Japanese   Publisher：The Geological Society of Japan  

    DOI： 10.14863/geosocabst.2016.0_038

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  • Vertical distribution of organic-walled microfossils in the Tsunami deposit.

    Hayashi Keiichi, Kase Yoshihiro, Urabe Atsushi, Takashimizu Yasuhiro, Kawakami Gentaro, Nishina Kenji

    Annual Meeting of the Geological Society of Japan   2016 ( 0 )   37 - 37   2016

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    Language：Japanese   Publisher：The Geological Society of Japan  

    DOI： 10.14863/geosocabst.2016.0_037

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  • A reference time scale for Site U1385 (Shackleton Site) on the SW Iberian Margin Reviewed

    D. Hodell, L. Lourens, S. Crowhurst, T. Konijnendijk, R. Tjallingii, Francisco J. Jimenez-Espejo, L. Skinner, P. C. Tzedakis

    GLOBAL AND PLANETARY CHANGE   133   49 - 64   2015.10

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：ELSEVIER SCIENCE BV  

    We produced a composite depth scale and chronology for Site U1385 on the SW Iberian Margin. Using log(Ca/Ti) measured by core scanning XRF at 1-cm resolution in all holes, a composite section was constructed to 166.5 meter composite depth (mcd) that corrects for stretching and squeezing in each core. Oxygen isotopes of benthic foraminifera were correlated to a stacked 8180 reference signal (LR04) to produce an oxygen isotope stratigraphy and age model.
    Variations in sediment color contain very strong precession signals at Site U1385, and the amplitude modulation of these cycles provides a powerful tool for developing an orbitally-tuned age model. We tuned the U1385 record by correlating peaks in L* to the local summer insolation maxima at 37 degrees N. The benthic 8180 record of Site U1385, when placed on the tuned age model, generally agrees with other time scales within their respective chronologic uncertainties.
    The age model is transferred to down-core data to produce a continuous time series of log(Ca/Ti) that reflect relative changes of biogenic carbonate and detrital sediment. Biogenic carbonate increases during interglacial and interstadial climate states and decreases during glacial and stadial periods. Much of the variance in the log(Ca/Ti) is explained by a linear combination of orbital frequencies (precession, tilt and eccentricity), whereas the residual signal reflects suborbital climate variability. The strong correlation between suborbital log(Ca/Ti) variability and Greenland temperature over the last glacial cycle at Site U1385 suggests that this signal can be used as a proxy for millennial-scale climate variability over the past 1.5 Ma.
    Millennial climate variability, as expressed by log(Ca/Ti) at Site U1385, was a persistent feature of glacial climates over the past 1.5 Ma, including glacial periods of the early Pleistocene ('41-1cyr world') when boundary conditions differed significantly from those of the late Pleistocene ('100-kyr world'). Suborbital variability was suppressed during interglacial stages and enhanced during glacial periods, especially when benthic delta O-18 surpassed similar to 3.33.5%. Each glacial inception was marked by appearance of strong millennial variability and each deglaciation was preceded by a terminal stadial event. Suborbital variability may be a symptomatic feature of glacial climate or, alternatively, may play a more active role in the inception and/or termination of glacial cycles. (C) 2015 The Authors. Published by Elsevier B.V.

    DOI： 10.1016/j.gloplacha.2015.07.002

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  • Simple teaching material for understanding river systems and the related landforms from mountains to coasts

    Takashimizu Y, Kaneya A, Godo T, Takano Y, Hatori Y

    Bulletin of the Faculuty of Education (Natural Sciences), NIIGATA UNIVERSITY   8 ( 1 )   41 - 48   2015.10

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  • Event deposit of the alluvial sediments in the coastal area of Toyama Bay

    Urabe Atsushi, Takashimizu Yasuhiro, Suzuki Kouji, Kataoka Kyoko, Nishina Kenji, Kawakami Geotaro, Hirakawa Kazuomi, Sakai Hideo

    Annual Meeting of the Geological Society of Japan   2015   321 - 321   2015

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    Publisher：The Geological Society of Japan  

    DOI： 10.14863/geosocabst.2015.0_321

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  • Applicability of magnetic fabrics to present and recent tsunami deposits

    Takashimizu Yasuhiro

    Annual Meeting of the Geological Society of Japan   2015   501 - 501   2015

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    Publisher：The Geological Society of Japan  

    DOI： 10.14863/geosocabst.2015.0_501

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  • Field survey focused on a search for tsunami trace along the Okhotsk sea coast of Hokkaido, Japan

    Kenji Nishina, Yasuhiro Takashimizu, Tsumoru Sagayama, Wataru Hirose

    Report of the geological survey of Hokkaido   ( 86 )   47 - 60   2014.10

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  • Distribution and origin of the 17th century tsunami deposit in Shiraoi, western Iburi coast, Hokkaido, northern Japan Reviewed

    Nakanishi, R, Okamura, S, Takashimizu Y, Sagayama, T, Nishina, K

    Monograph, Chidanken   ( 60 )   169 - 178   2014.8

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  • Sediment-gravity flow deposits and related deep-sea sedimentary facies along the Nichinan Coast, SE Kyushu Reviewed

    Yoshiro Ishihara, Yasuhiro Takashimizu, Dan Matsumoto, Yuichiro Miyata

    Jour. Geol. Soc. Japan   120 ( Suppl. )   41 - 62   2014.8

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    Language：Japanese  

    DOI： 10.5575/geosoc.2014.0018

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  • Behavior of the 2011 Tohoku-oki tsunami using magnetic fabric and grain-size characteristics of tsunami deposits in the downstream area of the Natori River in the Sendai Plain, northeastern Japan Reviewed

    Takahiro Shibuya, Yasuhiro Takashimizu, Atsushi Urabe, Koji Suzuki

    Journal of the Sedimentological Society of Japan   73 ( 1 )   3 - 17   2014.6

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    DOI： 10.4096/jssj.73.3

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  • Onset of Mediterranean outflow into the North Atlantic Reviewed

    F. Javier Hernandez-Molina, Dorrik A. V. Stow, Carlos A. Alvarez-Zarikian, Gary Acton, Andre Bahr, Barbara Balestra, Emmanuelle Ducassou, Roger Flood, Jose-Abel Flores, Satoshi Furota, Patrick Grunert, David Hodell, Francisco J. Jimenez-Espejo, Jin Kyoung Kim, Lawrence Krissek, Junichiro Kuroda, Baohua Li, Estefania Llave, Johanna Lofi, Lucas Lourens, Madeline Miller, Futoshi Nanayama, Naohisa Nishida, Carl Richter, Cristina Roque, Helder Pereira, Maria Fernanda Sanchez Goni, Francisco J. Sierro, Arun Deo Singh, Craig Sloss, Yasuhiro Takashimizu, Alexandrina Tzanova, Antje Voelker, Trevor Williams, Chuang Xuan

    SCIENCE   344 ( 6189 )   1244 - 1250   2014.6

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：AMER ASSOC ADVANCEMENT SCIENCE  

    Sediments cored along the southwestern Iberian margin during Integrated Ocean Drilling Program Expedition 339 provide constraints on Mediterranean Outflow Water (MOW) circulation patterns from the Pliocene epoch to the present day. After the Strait of Gibraltar opened (5.33 million years ago), a limited volume of MOW entered the Atlantic. Depositional hiatuses indicate erosion by bottom currents related to higher volumes of MOW circulating into the North Atlantic, beginning in the late Pliocene. The hiatuses coincide with regional tectonic events and changes in global thermohaline circulation (THC). This suggests that MOW influenced Atlantic Meridional Overturning Circulation (AMOC), THC, and climatic shifts by contributing a component of warm, saline water to northern latitudes while in turn being influenced by plate tectonics.

    DOI： 10.1126/science.1251306

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  • Quantitative estimation of bioturbation based on digital image analysis Reviewed

    Dorador, J, Rodriguez-Tovar,F. J, IODP Expeditio, Scientists (Hernandez-Molina, F.J, Stow, D.A.V, Alvarez-Zarikian, C, Acton, G, Bahr, A, Balestra, B, Ducassou. E, Flood, R, Flores, J-A, Furota, S, Grunert, P, Hodell, D, Jimenez-Espejo, F, Kim, J.K, Krissek, L, Kuroda, J, Li, B, Llave, E, Lofi,J, Lourens, L, Miller, M, Nanayama, F, Nishida, N, Richter, C, Roque, C, Pereira, H, Sanchez Goni, M, Sierro Sanchez, F, Singh, A, Sloss, C, Takashimizu, Y, Tzanova, A, Voelker, A, Williams, T, Xuan, C

    Marine Geology   349   55 - 60   2014.1

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  • Digital image treatment applied to ichnological analysis of marine core sediments Reviewed

    Javier Dorador, Francisco J. Rodriguez-Tovar, F. J. Hernandez-Molina, D. A. V. Stow, C. Alvarez-Zarikian, G. Acton, A. Bahr, B. Balestra, E. Ducassou, R. Flood, J. -A. Flores, S. Furota, P. Grunert, D. Hodell, F. Jimenez-Espejo, J. K. Kim, L. Krissek, J. Kuroda, B. Li, E. Llave, J. Lofi, L. Lourens, M. Miller, F. Nanayama, N. Nishida, C. Richter, C. Roque, H. Pereira, M. Sanchez Goni, F. Sierro Sanchez, A. Singh, C. Sloss, Y. Takashimizu, A. Tzanova, A. Voelker, T. Williams, C. Xuan

    FACIES   60 ( 1 )   39 - 44   2014.1

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：SPRINGER  

    Characterization of trace fossils in marine core sediments is, most times, difficult due to the weak differentiation between biogenic structures and the host sediment, especially in pelagic and hemipelagic facies. This problem is accentuated where a high degree of bioturbation is associated with composite ichnofabrics. Simple methods are presented here based on modifications to image features such as contrast, brightness, vibrance, saturation, exposure, lightness, and color balance using the software Adobe Photoshop CS6 (Adobe Systems, San Jose, CA, USA) to enhance visibility and thus allow for a better identification of the trace fossils. Adjustments involving brightness, levels and vibrance generally give better results. This approach was applied to marine cores of pelagic and hemipelagic sediments obtained from the Integrated Ocean Drilling Program Expedition 339, Site U1385. Enhancing the digital images facilitates ichnological analysis through improving the visibility of weakly observed trace fossils, and in some cases revealing traces not detected previously.

    DOI： 10.1007/s10347-013-0383-z

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  • Report of the organic walled microfossil (dinocyst) analysis to clarify the origin of event sediments.

    Hayashi Keiichi, Ohtsu Sunao, Ishimaru Satoshi, Fukami Hiroshi, Tajika Jun, Kase Yoshihiro, Nishina Kenji, Kawakami Gentaro, Koshimizu Ken'ichi, Takashimizu Yasuhiro, Watanabe Tatsuya, Takahashi Ryo, Hirose Wataru

    Annual Meeting of the Geological Society of Japan   2014 ( 0 )   320 - 320   2014

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    DOI： 10.14863/geosocabst.2014.0_320

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  • Tsunami deposits in Okushiri Island, southwestern Hokkaido, Japan

    Kase Yoshihiro, Hirose Wataru, Ohtsu Sunao, Ishimaru Satoshi, Fukami Hiroshi, Tajika Jun, Hayashi Keiichi, Nishina Kenji, Kawakami Gentaro, Koshimizu Ken'ichi, Takashimizu Yasuhiro, Sagayama Tsumoru, Watanabe Tatsuya, Takahashi Ryo

    Annual Meeting of the Geological Society of Japan   2014 ( 0 )   509 - 509   2014

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    DOI： 10.14863/geosocabst.2014.0_509

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  • IODP Expedition 339 in the Gulf of Cadiz and off West Iberia: Decoding the environmental significance of the Mediterranean outflow water and its global influence Reviewed

    F. J. Hernández-Molina, D. Stow, C. Alvarez-Zarikian, G. Acton, A. Bahr, B. Balestra, E. Ducassou, R. Flood, J. A. Flores, S. Furota, P. Grunert, D. Hodell, F. Jimenez-Espejo, J. K. Kim, L. Krissek, J. Kuroda, B. Li, E. Llave, J. Lofi, L. Lourens, M. Miller, F. Nanayama, Naohisa Nishida, C. Richter, C. Roque, H. Pereira, M. Goñi Fernanda Sanchez, F. J. Sierro, A. D. Singh, C. Sloss, Y. Takashimizu, A. Tzanova, A. Voelker, T. Williams, C. Xuan

    Scientific Drilling   1 - 11   2013.11

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  • The "Shackleton Site" (IODP Site U1385) on the Iberian Margin Reviewed

    D. A. Hodell, L. Lourens, D. A.V. Stow, J. Hernández-Molina, C. A. Alvarez Zarikian, F. Abrantes, G. D. Acton, A. Bahr, B. Balestra, E. Llave Barranco, G. Carrara, S. Crowhurst, E. Ducassou, R. D. Flood, J. A. Flores, S. Furota, J. Grimalt, P. Grunert, F. J. Jimenez-Espejo, J. Kyoung Kim, T. Konijnendijk, L. A. Krissek, J. Kuroda, B. Li, J. Lofi, V. Margari, B. Martrat, M. D. Miller, F. Nanayama, N. Nishida, C. Richter, T. Rodrigues, F. J. Rodríguez-Tovar, A. C. Freixo Roque, M. F, Sanchez Goni, F. J. Sierro Sánchez, A. D. Singh, L. Skinner, C. R. Sloss, Y. Takashimizu, R. Tjallingii, A. Tzanova, C. Tzedakis, A. Voelker, C. Xuan, T. Williams

    Scientific Drilling   13 - 19   2013.11

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  • IODP Expedition 339 in the Gulf of Cadiz and off West Iberia: Decoding the environmental significance of the Mediterranean outflow water and its global influence Reviewed

    F. J. Hernández-Molina, D. Stow, C. Alvarez-Zarikian, G. Acton, A. Bahr, B. Balestra, E. Ducassou, R. Flood, J. A. Flores, S. Furota, P. Grunert, D. Hodell, F. Jimenez-Espejo, J. K. Kim, L. Krissek, J. Kuroda, B. Li, E. Llave, J. Lofi, L. Lourens, M. Miller, F. Nanayama, Naohisa Nishida, C. Richter, C. Roque, H. Pereira, M. Goñi Fernanda Sanchez, F. J. Sierro, A. D. Singh, C. Sloss, Y. Takashimizu, A. Tzanova, A. Voelker, T. Williams, C. Xuan

    Scientific Drilling   ( 16 )   1 - 11   2013.11

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    IODP Expedition 339 drilled five sites in the Gulf of Cadiz and two off the west Iberian margin (November 2011 to January 2012), and recovered 5.5 km of sediment cores with an average recovery of 86.4 %. The Gulf of Cadiz was targeted for drilling as a key location for the investigation of Mediterranean outflow water (MOW) through the Gibraltar Gateway and its influence on global circulation and climate. It is also a prime area for understanding the effects of tectonic activity on evolution of the Gibraltar Gateway and on margin sedimentation. We penetrated into the Miocene at two different sites and established a strong signal of MOW in the sedimentary record of the Gulf of Cadiz, following the opening of the Gibraltar Gateway. Preliminary results show the initiation of contourite deposition at 4.2-4.5 Ma, although subsequent research will establish whether this dates the onset of MOW. The Pliocene succession, penetrated at four sites, shows low bottom current activity linked with a weak MOW. Significant widespread unconformities, present in all sites but with hiatuses of variable duration, are interpreted as a signal of intensified MOW, coupled with flow confinement. The Quaternary succession shows a much more pronounced phase of contourite drift development, with two periods of MOW intensification separated by a widespread unconformity. Following this, the final phase of drift evolution established the contourite depositional system (CDS) architecture we see today. There is a significant climate control on this evolution of MOW and bottom-current activity. However, from the closure of the Atlantic-Mediterranean gateways in Spain and Morocco just over 6 Ma and the opening of the Gibraltar Gateway at 5.3 Ma, there has been an even stronger tectonic control on margin development, downslope sediment transport and contourite drift evolution. The Gulf of Cadiz is the world's premier contourite laboratory and thus presents an ideal testing ground for the contourite paradigm. Further study of these contourites will allow us to resolve outstanding issues related to depositional processes, drift budgets, and recognition of fossil contourites in the ancient record on shore. The expedition also verified an enormous quantity and extensive distribution of contourite sands that are clean and well sorted. These represent a relatively untapped and important exploration target for potential oil and gas reservoirs. © Author(s) 2013.

    DOI： 10.5194/sd-16-1-2013

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  • Groundwater-level changes during 2001 to 2004 in the mid-south Ishikari lowland, Hokkaido, Japan

    Kaoru Marutani, Yasuhiro Takashimizu, Hiroshi Fukami

    Report of the geological survey of Hokkaido   ( 85 )   29 - 39   2013.10

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  • Review of previous studies on tsunami deposits in Hokkaido, northern Japan: Focusing on the studies of deposits from 17th century large tsunamis and others Reviewed

    Yasuhiro Takashimizu

    Journal of Geological Society of Japan   119 ( 9 )   599 - 612   2013.10

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    This paper reviews previous studies on tsunami deposits in Hokkaido, northern Japan. It presents a bibliography of relevant peerreviewed papers, reports, books, and digital maps. In particular, studies of three 17th Century tsunami deposits (i.e., deposits in the eastern Pacific coast area, deposits in the Iburi coast area related to an unknown earthquake, and deposits of the 1640 Hokkaido Komagatake tsunami), along with the geological features of the deposits, are described in detail to contribute to future tsunami mitigation in Hokkaido. Finally, three areas of research are proposed for future studies on tsunami deposits in Hokkaido: (1) clarification of the tsunami history in unsurveyed areas as part of a paleo-tsunami study, (2) detailed surveys in areas of social infrastructure (e.g., electric power plants, ports and harbors, main roads and railways, industrial and non-industrial waste disposal facilities, water supply network), and (3) identification of trigger events and the precise distribution of 17th Century tsunamis along the Pacific coast of Hokkaido.

    DOI： 10.5575/geosoc.2013.0031

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  • The “Shackleton Site” (IODP Site U1385) on the Iberian Margin Reviewed

    D. A. Hodell, L. Lourens, D. A. V. Stow, J. Hern?ndez-Molina, C. A. Alvarez Zarikian, the Shackleton Site, Project Members, F. Abrantes, G. D. Acton, A. Bahr, B. Balestra, E. Llave Barranco, G. Carrara, S. Crowhurst, E. Ducassou, R. D. Flood, J.-A. Flores, S. Furota, J. Grimalt, P. Grunert, F. J. Jimenez- Espejo, J. Kyoung Kim, T. Konijnendijk, L. A. Krissek, J. Kuroda, B. Li, J. Lofi, V. Margari, B. Martrat, M. D. Miller, F. Nanayama, N. Nishida, C. Richter, T. Rodrigues, F. J. Rodr?guez-Tovar, A. C. Freixo Roque, M. F, Sanchez Goni, F. J. Sierro S?nchez, A. D. Singh, L. Skinner, C. R. Sloss, Y. Takashimizu, R. Tjallingii, A. Tzanova, C. Tzedakis, A. Voelker, C. Xuan, T. Williams

    Scientific Drilling   ( 16 )   13 - 19   2013.9

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  • A tsunami depositional model in coastal lowland over sand dune: An example from the 17th century tsunami deposit in the eastern Iburi coast, central Hokkaido, northern Japan Reviewed

    Yasuhiro Takashimizu, Jun Nagai, Satoshi Okamura, Yuichi Nishimura

    Journal of Geological Society of Japan   119 ( 1 )   1 - 16   2013.1

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    A reconstruction of a paleo-tsunami flow recorded on the eastern Iburi coast of Hokkaido, northern Japan, has been undertaken using sedimentological analysis. Here, distance from the coastline positively correlates with average sediment grain sizes (mean and median grain sizes expressed in phi scale) but inversely correlates with the standard deviation of grain-size and thickness of the tsunami deposit layer. Grain-fabric and grain-size data in this area indicate at least three tsunami inundation events, with grain-fabric data for tsunami deposits at survey site 1 indicating that these deposits were formed by inflows with ENE paleo-flow directions. This evidence has enabled a depositional model of a tsunami flowing over coastal sand dunes to be formulated, with the first tsunami flow eroding surficial sediments and ripping up and carrying peat clasts. The majority of the tsunami-related water did not return to the sea; this return flow was prevented by a seaside beach ridge, leading to the formation of wide water bodies along the coast. In addition, repeated tsunami inflows did not cause intensive erosional effects at the bottom of these water bodies, with these bodies eventually disappearing due to underground seepage or evaporation.

    DOI： 10.5575/geosoc.2012.0067

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  • Expedition 339 summary

    F. Javier, Hern?ndez-Molina, Dorrik A. V. Stow, Carlos A. Alvarez-Zarikian, Gary Acton, Andr? Bahr, Barbara Balestra, Emmanuelle Ducassou, Roger Flood, Jos?-Abel Flores, Satoshi Furota, Patrick Grunert, David Hodell, Francisco Jimenez-Espejo, Jin, Kyoung Kim, Lawrence Krissek, Junichiro Kuroda, Baohua Li, Johanna Lofi, Lucas Lourens, Madeline Miller, Futoshi Nanayama, Naohisa Nishida, Carl Richter, Maria Fernanda, Sanchez Go?i, Francisco J. Sierro, Arun Deo Singh, Craig Sloss, Yasuhiro Takashimizu, Alexandrina Tzanova, Antje Voelker, Trevor Williams, Chuang Xuan, Estefania Llave, Cristina Roque, H?lder Pereira

    Proceedings of the Integrated Ocean Drilling Program, 339   339   2013

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  • Deposition by the 2011 Tohoku-oki tsunami on coastal lowland controlled by beach ridges near Sendai, Japan Reviewed

    Yasuhiro Takashimizu, Atsushi Urabe, Koji Suzuki, Yoshiki Sato

    SEDIMENTARY GEOLOGY   282   124 - 141   2012.12

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    A study of the 2011 Tohoku-oki tsunami deposits on the coastal lowland of the Sendai Plain, Japan was carried out along a shore-perpendicular survey line in the Arahama area. Field descriptions and tsunami water depth measurements were complemented by sedimentary analyses, including grain size, grain fabric and diatom analysis. The tsunami deposits show a generally fining-inland trend along the 3.4 km long transect. The depositional facies, grain size analysis and grain fabric data suggest that most of the tsunami deposits were laid down during the tsunami inflow, except at one site. These tsunami deposits are characterized by parallel-laminated or massive sand and silt with pieces of woods, fragments of glass, rip-up mud clasts and an erosional base. Minor backwash deposits overlying the inflow sand layer were only observed on one beach ridge and attributed to the topographic high. Marine diatom species comprised only approximately 2% of the diatom assemblage in tsunami deposits and their content decreased landward. In this study, diatom assemblages were similar in the rice field soil and tsunami layers, suggesting that the muddy fraction of the deposits mainly consists of sediments derived from the tsunami-eroded rice field soil. As a result of soil erosion, the tsunami had a high suspended sediment load. Furthermore, after the first tsunami inundation, seawater left by the tsunami did not drain completely to the sea because of the high coastal beach ridge and/or coastal subsidence due to the massive earthquake. Therefore, strong tsunami outflows to the sea did not occur and these areas were covered by mud deposited from stagnant water. (c) 2012 Elsevier B.V. All rights reserved.

    DOI： 10.1016/j.sedgeo.2012.07.004

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  • 2011年度（平成23年度）東北地方太平洋沖地震に伴う津波堆積物の緊急調査速報：仙台平野を遡上した津波による堆積物の例

    高清水康博, 卜部厚志, 鈴木幸治

    Annual Report of Resarch Institue for Natural Hazards and Disaster Recovery, Niigata University   1 ( 1 )   79 - 80   2012.10

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  • 北海道胆振海岸に分布する17世紀津波堆積物

    Okamura, S, Ito, K, Nagai, J, Kuwatani, D, Miura, H, Kakui, T, Nishimura, Y, Takashimizu, Y, Sagayama, T

    苫小牧市博物館館報   9   15 - 24   2012.3

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  • Contourite facies and its spatial and temporal variation: Gulf of Cadiz and west off Portugal (Northeast Atlantic)

    Nishida Naohisa, Hernandez-Molina Javier F., Stow Dorrik A. V., Alvarez-Zarikian Carlos, Furota Satoshi, Jimenez-Espejo Francisco J., Kuroda Junichiro, Nanayama Futoshi, Takashimizu Yasuhiro, IODP Exp. 339 Scientists

    Annual Meeting of the Geological Society of Japan   2012   242 - 242   2012

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    DOI： 10.14863/geosocabst.2012.0_242

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  • P40 The seventeenth century tsunami deposits of Iburi coast, Hokkaido : relationship to the 1640 Hokkaido Komagatake Eruption

    Okamura Satoshi, Ito Kazuya, Nagai Jun, Nishimura Yuichi, Takashimizu Yasuhiro, Sagayama Ttsumoru

    PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN   2011   152 - 152   2011

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    DOI： 10.18940/vsj.2011.0_152

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  • Outreach activity of the public research organization: The case of Sapporo municipal Hragishi elementary school

    Suzuki T, Okazaki N, Shibata T, Kakihara Y, Hirose W, Norota S, Takashi R, Kawakami G, Ishimaru S, Tamura M, Murayama Y, Ogino T, Takashimizu Y, Ichiyanagi M, Takahashi H, Kohno Y, Sato. T

    Report of the Geological Survey of Hokkaido   ( 81 )   103 - 110   2010.3

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  • Ancient submarine-canyon system developed within fore-arc basin fill, Mio-Pliocene "Miyazaki facies," Miyazaki Group, western Japan Reviewed

    Yasuhiro Takashimizu

    The Journal of the Geological Society of Japan   115 ( 11 )   559 - 577   2009.11

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    The late Miocene to Pliocene "Miyazaki Facies": (we use the term "Miyazaki Facies": because it is established in the literature, although it represents the central part of the Miyazaki Group rather than a facies in the sedimentary sense) in the central part of the Miyazaki Group, consists of infill material within a fore-arc basin that morphologically consists of an active hinterland, narrow shelf, steep slope, and continuous gentle slope. The Kamurano Formation, which contains coarse-grained clastic sediments on the slope of the fan delta, is well preserved in the "Miyazaki Facies.": Fifteen depositional facies are recognized in the "Miyazaki Facies": and have been integrated into four facies associations according to the type and nature of flow energy: facies association CR consists of limestone, FL was transported and deposited by fluvial energy, WS by wave and storm energy, and GF by sediment gravity flow. Based on the results of sedimentologic and geologic analyses, a single submarine canyon system (Kamurano Submarine Canyon) was recognized on the continental slope.<br>During a relative rise in sea level, the fan delta was unable to prograde to the shelf edge, and the shelf was covered with fine sediment. During a relative fall in sea level, however, the narrow width of the shelf (about 2 km) meant that the fan delta was easily able to prograde to the shelf edge and thereby directly provide coarse-grained sediment to the submarine canyon.

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  • 硝酸性窒素汚染の現況とリスク要因：１．汚染の現況と地質・気象要因との関係

    Report on Research Program for Reducing Nitrate Contamination of Groun, Water in Hokkaido

    Misc. Pub. Hokkaido Prefect. Agric. Exp. Stn.   ( 38 )   1 - 5   2009.9

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  • 小流域における窒素動態と影響要因：４．地下水中の硝酸性窒素濃度の季節・経年変動

    丸谷 薫, 高清水康博, 高橋 良

    北海道立農業試験場資料   ( 38 )   25 - 28   2009.9

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  • 小流域における窒素動態と影響要因：１．小流域A の概要

    丸谷 薫, 高清水康博

    Miscellaneous Publication of Hokkaido Prefectural Agricultural Experiment Stations   ( 38 )   21 - 22   2009.9

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  • Development of middle to late Miocene Nakatonbetsu Formation and cool-water carbonate: sedimentology of Nakatonbetsu Cave (Hokkaido natural monument), Hokkaido, northern Japan.

    Yasuhiro Takashimizu

    Report of the geological survey of Hokkaido   ( 80 )   39 - 49   2009.3

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  • Hydraulic conductivity of gravel-dominated braided river deposits: a case study of river terrace deposits on the Yubetsu River lowland

    Yasuhiro Takashimizu

    Report of the geological survey of Hokkaido   ( 80 )   185 - 187   2009.3

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  • Depositional facies and sequence stratigraphy of the Pleistocene Sarabetsu Formation cropping out in sand pits at Miyazonocho and Shimonuma, Horonobe, Hokkaido, northern Japan

    Yasuhiro Takashimizu

    Report of the geological survey of Hokkaido   ( 80 )   51 - 62   2009.3

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  • Feasibility study on underground thermal energy system by using digital national land information Reviewed

    Yasuhiro Hamada, Shinya Tanaka, Katsunori Nagano, Hiroshi Tamura, Ikumi Takigawa, Yasushi Nakamura, Kaoru Marutani, Yasuhiro Takashimizu, Masayuki Takada

    Journal of the Society of Heating, Air-Conditioning and Sanitary Engineers of Japan (Kuki Chowa Eisei Kogaku in Japanese)   2007 ( 143 )   1 - 10   2009.2

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    This study describes analyses on characteristics of underground and it's thermal energy potential by using digital national land information. We made maps that show the introduction potential of the under ground thermal energy system in Asahikawa by using geographic information system(GIS).

    DOI： 10.18948/shasetaikai.2007.3.0_1777

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  • Analysis of variation in grain size frequency profiles of sediments in different sedimentary facies: an example from the Chuseki-so in the Ishikari lowland

    Nishina Kenji, Kawakami Gentarou, Komatsubara Junko, Kimura Katsumi, Ohtsu Sunao, Hirose Wataru, Takashimizu Yasuhiro, Oka Takao

    Annual Meeting of the Geological Society of Japan   2009 ( 0 )   427 - 427   2009

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    DOI： 10.14863/geosocabst.2009.0.427.0

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  • Characteristics of permeability and groundwater quality by facies analysis: examples from the Pleistocene, Hokkaido, northern Japan

    Takashimizu Yasuhiro, Marutani Kaoru

    Annual Meeting of the Geological Society of Japan   2009   319 - 319   2009

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    DOI： 10.14863/geosocabst.2009.0.319.0

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  • 地層学とアイヌ口碑伝説から過去の大津波を探る Invited

    Yasuhiro Takashimizu

    Airctic circle   ( 64 )   14 - 17   2007.9

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  • Depositional facies and Hydrogeology of the Lower Pleistocene in Tokachi area, Tokachi plain, central Hokkaido, northern Japan Reviewed

    Yasuhiro Takashimizu, Takao Oka

    The Journal of the Geological Society of Japan   113 ( Suppl. )   65 - 79   2007.9

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    DOI： 10.5575/geosoc.113.S65

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  • A 17th century Tsunami deposit discovered from the eastern Iburi Coast, Hokkaido, northern Japan Reviewed

    Yasuhiro Takashimizu, Tsumoru Sagayama, Kenji Nishina, Takao Oka, Yugo Nakamura, Yuichi Nishimura

    The Quaternary Research (Daiyonki-Kenkyu)   46 ( 2 )   119 - 130   2007.4

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    A characteristic sandy layer probably resulting from a 17th-century tsunami was discovered in coastal sediments in the central part of the Pacific coast (eastern Iburi coast) of Hokkaido, northern Japan. The sandy layer was identified as of tsunami origin based on the following characteristics. The deposit is 1) distributed at least 20km long and 1-2km wide along the coast ; 2) widely inundated along the river toward the inland ; 3) deposited approximately eight meters at the highest ; 4) shows a fining- and thinning- landward trend, and 5) yields a marine diatom assemblage.<BR>The sandy layer was deposited in the early to mid 1600s. The exact trigger event of this tsunami was not identified in this study. Great subduction-zone earthquake centered off eastern Hokkaido and the 1640 Hokkaido Komagatake eruption are candidate source events for this tsunami.

    DOI： 10.4116/jaqua.46.119

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  • Water springs and aquifer characteristics of the Kushiro wetland and its surroundings, Hokkaido, Japan

    Takashimizu Yasuhiro, Marutani Kaoru

    Annual Meeting of the Geological Society of Japan   2007   378 - 378   2007

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    DOI： 10.14863/geosocabst.2007.0.378.0

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  • Ainu oral traditions and historical records on earthquakes in Hokkaido, Japan Reviewed

    Tadafumi Niisato, Kiyoyuki Shigeno, Yasuhiro Takashimizu

    Historical Earthquake (Rekishi-Jishin)   ( 21 )   121 - 136   2006.4

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  • Groundwater investigation in Churui-tobu area, Churui Villiage, eastern Hokkaido

    Hiroshi Fukami, Yasuhiro Takashimizu

    Report of the geological survey of Hokkaido   ( 77 )   121 - 122   2006.3

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  • Groundwater investigation in Utasai area, Kuromatsunai Town, eastern Hokkaido

    Yasuhiro Takashimizu

    Report of the geological survey of Hokkaido   ( 77 )   129 - 130   2006.3

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  • Groundwater investigation in Obetsu area, Yakumo Town, eastern Hokkaido

    Kaoru Marutani, Yasuhiro Takashimizu

    Report of the geological survey of Hokkaido   ( 77 )   147 - 148   2006.3

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  • Groundwater investigation in Oshin area, Yakumo Town, eastern Hokkaido

    Kaoru Marutani, Yasuhiro Takashimizu

    Report of the geological survey of Hokkaido   ( 77 )   145 - 146   2006.3

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  • Groundwater investigation in Jukku area, Kyogoku Town, eastern Hokkaido

    Kaoru Marutani, Yasuhiro Takashimizu

    Report of the geological survey of Hokkaido   ( 77 )   143 - 144   2006.3

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  • Groundwater investigation in Bifuka area, Bifuka Town, eastern Hokkaido

    Yasuhiro Takashimizu, Kaoru Marutani

    Report of the geological survey of Hokkaido   ( 77 )   131 - 132   2006.3

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  • Groundwater investigation in Kamiuramiwa area, Koshimizu Town, eastern Hokkaido

    Hiroshi Fukami, Yasuhiro Takashimizu

    Report of the geological survey of Hokkaido   ( 77 )   123 - 124   2006.3

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  • Ainu oral traditions and historical records on tsunami in Hokkaido Prefecture, Japan Reviewed

    Yasuhiro Takashimizu

    Historical Earthquake (Rekishi-Jishin)   ( 20 )   183 - 199   2005.4

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  • Ainu oral traditions and ritual record on tsunami in Mukawa Town, Hokkaido, Japan

    Yasuhiro Takashimizu

    Report of the geological survey of Hokkaido   ( 76 )   97 - 100   2005.3

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  • Geologic hazard of the Tokachi-oki Earthquake in 2003 (express report)

    Wataru Hirose, Jun Tajika, Takao Oka, Masazo Takasmi, Sunao Ohtsu, Satoshi Ishimaru, Makoto Tamura, Yasuhiro Takashimizu

    Report of the geological survey of Hokkaido   ( 75 )   71 - 84   2004.3

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  • 2003年十勝沖地震の概要?地形・地質学的観点から?

    Wataru Hirose, Jun Tajika, Sunao Ohtsu, Satoshi,Ishimaru, Yasuhiro Takashimizu, Makoto Tamura, Takao Oka, Masazo Takami

    土木施工   45 ( 1 )   60 - 67   2004.1

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  • O-111 Parasequence set in the coal-bearing "bay-back marsh" system : An example from the most upper part of the Lower Pleistocene Ikeda Group, central Hokkaido, Japan.

    Takashimizu Yasuhiro, Oka Takao

    Annual Meeting of the Geological Society of Japan   2004   81 - 81   2004

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    DOI： 10.14863/geosocabst.2004.abst.0_81_1

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  • P-280 The event deposit discovered on the Okhotsk coast in Hokkaido, Japan

    NISHINA K, TAKASHIMIZU Y, SAGAYAMA Y

    Annual Meeting of the Geological Society of Japan   2004   299 - 299   2004

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    DOI： 10.14863/geosocabst.2004.abst.0_299_2

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  • Diatom assemblage from the Recent event deposits in Mukawa, Hokkaido, Japan

    Tsumoru Sagayama, Yasuhiro Takashimizu, Kenji Nishina, Takao Oka

    Report of the geological survey of Hokkaido   ( 74 )   59 - 62   2003.3

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  • P-120 Marine event deposit intercalated in alluvium, Mukawa, Hokkaido, Japan

    Takashimizu Yasuhiro, Nishina Kenji, Sagayama Tsumoru, Oka Takao

    Annual Meeting of the Geological Society of Japan   2002   266 - 266   2002

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    DOI： 10.14863/geosocabst.2002.0_266_2

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  • Depositional facies and sedimentary successions of earthquake-induced tsunami deposits in Upper Pleistocene incised valley fills, central Japan Reviewed

    Y Takashimizu, F Masuda

    SEDIMENTARY GEOLOGY   135 ( 1-4 )   231 - 239   2000.9

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：ELSEVIER SCIENCE BV  

    Two 'anomalous' deposits with well-preserved sedimentary structures were discovered in a drowned valley and in relict barrier sand body deposits in the Furuya Mud and Kyomatsubara Sand of the Upper Pleistocene incised valley fills. The sedimentary features of both deposits are interpreted as 'earthquake-induced tsunami deposits', which were deposited in incised valley fills. The tsunami deposit in the drowned valley (Furuya Mud) is 150 cm thick and shows a contorted structured bed in the lower part and cross-laminated sand in the upper part. The tsunami deposit in barrier sand body (Kyomatsubara Sand) is 270 cm thick and shows structureless sand with mud clasts in the lower part, cross-laminated sand with mud-drapes in the middle part and mud with small wave-ripples in the upper part. Taken together, these sedimentary features suggest a model for the composite succession, which is comprised of three units: a lower earthquake-shock-influenced (anomalous) convoluted part, a middle part dominated by tsunami-generated tractional currents, and an upper suspended-sediment part. The lower part is interpreted as earthquake event deposits (seismites) and the middle and upper parts as tsunami current deposits (tsunamiites). (C) 2000 Elsevier Science B.V. All rights reserved.

    DOI： 10.1016/S0037-0738(00)00074-9

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  • Petrofacies on sandy deposits of an incised-valley fill: Upper Pleistocene in the Makinohara Upland, Shizuoka, Japan Reviewed

    Yasuhiro Takashimizu, Fujio Masuda, Masaaki Tateishi

    Earth Science (Chikyu-kagaku)   54 ( 1 )   23 - 32   2000.1

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    Language：English   Publisher：The Association for the Geological Collaboration in Japan  

    The Makinohara Upland, central west Shizuoka Prefecture, central Japan, faces the Suruga Trough, which is formed by the subduction of the Philippine Sea Plate beneath the Eurasia Plate. The Upper Pleistocene of the Makinohara Upland consists of incised valley fills, which comprises a depositional sequence. Compositional trends of the sands from the Makinohara Upland area (Makinohara sands) are plotted in the Lt-rich field, within the lithic recycled-transitional field of Dickinson and Seely (1979) and Dickinson et al. (1983). The sands of the Makinohara Upland area and Kanto area show mineralogically immature trend than those of the U.S.A. (continental area). The Makinohara sands are deposited in fluvial environments during lowstand and highstand periods, and respectively have different plots on Qm-Fl-Lt and Ma (grain-size) versus Qm/(Qm+Lt) diagrams. The sands of the LST mostly have high Qm/(Qm+Lt) ratios (well matured), and those of the HST have low Qm/(Qm+Lt) ratio (poorly matured). The sands of tsunami deposits, which were deposited in a barrier sand body and a drowned valley environment of Makinohara Upper Pleistocene, are plotted in different fields on the diagrams of Ma versus Qm/(Qm+Lt). Those deposited in the drowned valley contain more monocrystalline quartz; those deposited in the barrier sand body contain more lithic fragments. The drowned-valley tsunamiite is plotted in a similar field to the drowned valley deposits. The tsunamiite in the barrier sand body is plotted in a similar field to the barrier sands and beach-shoreface sands. Relationships of grain-size characteristics and Qm/(Qm+Lt) plot do not show any clear correlation.

    DOI： 10.15080/agcjchikyukagaku.54.1_23

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  • O-151 Development of 'Miyazaki facies', Neogene Miyazaki Group, SW Japan

    Takashimizu Yasuhiro

    Annual Meeting of the Geological Society of Japan   2000   86 - 86   2000

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    Language：Japanese   Publisher：The Geological Society of Japan  

    DOI： 10.14863/geosocabst.2000.0_86_2

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  • Grain-size characteristics of sandy deposits of an incised-valley fill: Upper Pleistocene in the Makinohara Upland, Shizuoka, Japan Reviewed

    Yasuhiro Takashimizu, Fujio Masuda, Masaaki Tateishi

    The Journal of the Geological Society of Japan   105 ( 1 )   1 - 12   1999.1

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  • Depositional features of the submarine canyon fills developed in forearc basin fill : a case study on the Miyazaki facies, Neogene Miyazaki Group

    Takashimizu Yasuhiro

    Annual Meeting of the Geological Society of Japan   1999   135 - 135   1999

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    Language：Japanese   Publisher：The Geological Society of Japan  

    DOI： 10.14863/geosocabst.1999.0_135_2

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  • The effect of sourse area during highstand and lowstand of sea-levels on the petrofacies of the Upper Pleistocene in Makinohara district, Shizuoka Prefecture, Japan

    Fujio Masuda, Yasuhiro Takashimizu

    東アジア変動帯の砂岩組成とテクトニクス（基盤研究A研究連絡誌）   ( 4 )   26 - 30   1998.2

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  • Development of the submarine canyon fills of Miyazaki facies, Neogene Miyazaki Group

    Takashimizu Yasuhiro

    Annual Meeting of the Geological Society of Japan   1998   P035   1998

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    Language：Japanese   Publisher：The Geological Society of Japan  

    DOI： 10.14863/geosocabst.1998.0_P035

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  • Report from the 15th International Sedimentological Congress

    Takashimizu Yasuhiro

    Journal of the Sedimentological Society of Japan   48 ( 48 )   115 - 116   1998

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    Publisher：The Sedimentological Society of Japan  

    DOI： 10.4096/jssj1995.48.115

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  • 473 Depositional facies,sand grain-size characterisitcs and mode composition of the Upper Pleistooene in the Makinohara Upland,Shizuoka,Japam

    TAKASHIMIZU Yasuhiro

    Annual Meeting of the Geological Society of Japan   1997   335 - 335   1997

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    Language：Japanese   Publisher：The Geological Society of Japan  

    DOI： 10.14863/geosocabst.1997.0_335_1

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  • Stratigraphy of the Sagara Group and the Kakegawa Group in Hibara district, Shizuoka Prefecture, Japan Reviewed

    Masahiro Shiba, Sogo Kazuhiro, Masanori Kawabe, Hiroshi Takeshima, Yasushi Murakami, Kenji Yokoyama, Suruga Bay collaborative, research group, Abe, Y, Ishikawa, Y, Kikuchi, M, Kosaka, T, Sozuka, J, Takashimizu, Y, Takeda, Y, Tanimoto, H, Higashimoto, M, Fukuda, M, Horiuchi, S, Yamazaki, M, Yoda, M, Yamada, T

    Earth Science(Chikyu-kagaku)   50 ( 6 )   441 - 455   1996.11

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    Language：Japanese   Publisher：The Association for the Geological Collaboration in Japan  

    The late Neogene series, the Sagara and the Kakegawa Groups, are distributed in. Shizuoka Prefecture, Central Japan. Although the stratigraphy and the biostratigraphy of these series have been studied by many workers as one of the standard Neogene type series on the Pacific coast of Japan, the stratigraphic boundary and relationships between the Sagara and the Kakegawa Groups may be still indistinct. The Sagara Group is divided into the Sugegaya Formation and the Oyori Formation in ascending order. The Sugegaya Formation is subdivided into the Tokigaya alternation of conglomerate and sandstone and the Sugegaya alternation. The Oyori Formation is composed with the Hirugaya alternation, the Oyori mudstone, the Takao conglomerate, the Sakaguchi conglomerate and the Kiriyama mudstone rich alternation. The Kakegawa Group is divided into the Katsuma Formation, the Hagima Formation and the Tanno Formation in ascending order. The Katsuma Formation is composed with the Katsuma conglomerate, the Kakigaya sandstone, the Katsuta mudstone rich alternation, the Araya sandstone and the Nakajima conglomerate. The Hagima Formation is subdivided into the Hagima sandstone rich alternation and the Arakawa mudstone rich alternation. The Tanno Formation is subdivided into the Kawakami sandstone rich alternation and the Isobe mudstone rich alternation. This study has revealed that the basal horizon of the Kakegawa Group is the base of the Nakajima conglomerate and the Katsuma conglomerate in Kiriyama-Katsuma area, the base of the Kakigaya sandstone in Hagima area and the base of the Hagima sandstone rich alternation in Niino area. The relationship between the Sagara and Kakegawa Groups is.thought to be unconformity in the northern area, because the basal horizon of the Kakegawa Group onlaps on the Sagara Group in the northern area and it downlaps in the southern area.

    DOI： 10.15080/agcjchikyukagaku.50.6_441

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  • Depositional facies and sequence stratigraphy of the Upper Pleistocene in Makinohara Upland, Shizuoka, Japan Reviewed

    Yasuhiro Takashimizu, Tetsuya Sakai, Fujio Masuda

    The Journal of the Geological Society of Japan   102 ( 10 )   879 - 893   1996.10

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  • Stratigraphy of the Kusanagi Formation, distributed on the Udo Hills, Shizuoka Prefecture Reviewed

    Masahiro Shiba, Kazuto Kano, Youto Aoki, Yasuhiro Takashimizu

    Earth Science(Chikyu-kagaku)   48 ( 3 )   209 - 222   1994.5

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Presentations

  • Characteristics of the 17th century tsunami deposits in the Yufutsu Plain, Hokkaido, Japan

    Y. Takashimizu, Y. Nishimura, K. Iwaki, T. Chiba

    2021.9 

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    Event date： 2021.9

    Language：Japanese   Presentation type：Poster presentation  

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  • 胆振東部太平洋岸における過去3000年の津波履歴

    髙清水康博, 西村裕一, 岩城昂平, 千葉 崇, 石澤尭史

    第38回歴史地震研究会（オンライン苫小牧大会）  2021.9 

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    Event date： 2021.9

    Language：Japanese   Presentation type：Oral presentation (general)  

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  • Features of 17th-century tsunami deposits formed by tsunami crossing river channel and detection using X-ray computed tomography

    K. Iwaki, Y. Takashimizu, Y. Nishimura, T. Chiba

    Japan Geoscience Union Meeting 2021 (Online)  2021.6 

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    Event date： 2021.5 - 2021.6

    Language：Japanese   Presentation type：Oral presentation (general)  

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  • Sedimentary features of the 17th century tsunami deposits recognized on the Yufutsu Plain, Hokkaido, Japan

    Y. Takashimizu, Y. Nishimura, K. Iwaki

    Annual Meeting of The sedimentological Society of Japan  2020.11 

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    Event date： 2020.11

    Language：Japanese   Presentation type：Oral presentation (general)  

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  • Distribution of tephra and tsunami deposits in Shikotan Island: Outline of the Japan-Russia joint research in 2019

    Yuichi Nishimura, Alexander Shishkin, Yasuhiro Takashimizu, Daisuke Sugawara, Takashi, Ishizawa, Koichiro Tanigawa

    JpGU-AGU Joint Meeting 2020  2020.5 

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    Event date： 2020.5

    Language：Japanese   Presentation type：Poster presentation  

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  • Flow reflection of onshore tsunami and features of the deposits

    Y. Takashimizu, H. Saito

    JpGU-AGU Joint Meeting 2020  2020.5 

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    Event date： 2020.5

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  • Survey of tsunami deposits in Kunashiri Island: Results obtained in the 2015-2018 projects

    Yuichi Nishimura, Yasuhiro Takashimizu, Daisuke Sugawara, Takafumi Enya, Takashi Chiba, Ryo Nakanishi, Alexander Shishkin, Alexey Gorbunov, Victor Kaistrenko, Asuka Takahashi, Hiroki Muramatsu, Yasuyuki Kawazoe, Naofumi Takamatsu

    JpGU Meeting 2019  2019.5 

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    Event date： 2019.5

    Language：Japanese   Presentation type：Oral presentation (general)  

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  • Lateral variation of mud clasts in onshore tsunami deposits

    Yasuhiro Takashimizu, Daichi Ito

    JpGU Meeting 2019  2019.5 

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    Event date： 2019.5

    Language：Japanese   Presentation type：Oral presentation (general)  

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  • Tsunami sediment deposition on coastal lowland over a sand dune: Examples from present and historical deposits in Japan International conference

    Yasuhiro Takashimizu

    JKASP2018  2018.8  Institute of Volcanology and Seismology, FEB, RSA

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    Language：Japanese   Presentation type：Poster presentation  

    Venue：Institute of Volcanology and Seismology, FEB, RSA, Petropavlovsk-Kamchatsky, Russia  

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  • Sedimentary characteristics of the 2011 Tohoku-oki tsunami deposits of Oirase, Aomori Prefecture, Japan

    Takashimizu Y, Nishimura Y

    Japan Geoscience Union Meeting 2018  2018.5  Japan Geoscience Union

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：Makuhari MESSE  

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  • Modeling of tsunamis along the Kuril Trench and sandy event deposits in the Pacific coast of Kunashir Island

    Daisuke Sugawara, Yuichi Nishimura, Yasuhiro Takashimizu, Takafumi Enya, Takashi Chiba

    Japan Geoscience Union Meeting 2018  2018.5  Japan Geoscience Union

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    Venue：Makuhari MESSE  

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  • Surveys of paleo tsunami deposits in Kunashir Island, the Northern Territories: Results obtained in the 2015-2017 projects and future issues

    Yuichi Nishimura, Yasuhiro Takashimizu, Daisuke Sugawara, Takafumi Enya, Takashi Chiba, Alexander Shishikin, Alexsey Gorbunov, Victor Kaistrenko, Asuka Takahashi, Hiroki Muramatsu, Yasuyuki Kawazoe

    Japan Geoscience Union Meeting 2018  2018.5  Japan Geoscience Union

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    Venue：Makuhari MESSE  

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  • Recent studies of tsunami deposits along the Japan Sea coast

    Kawakami, G, Kase, Y, Nishina, K, Urabe, A, Takashimizu, Y

    Japan Geoscience Union Meeting 2018  2018.5  Japan Geoscience Union

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    Venue：Makuhari MESSE  

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  • Sedimentary characteristics of mud clast of onshore tsunami deposits using undisturbed block sampling

    Takashimizu Y, Takmaki E, Urabe A

    2018 Annual Meeting of the Sedimentological Society of Japan  2018.3  The Sedimentological Society of Japan

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：Tegata Campus, Akita University  

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  • Spatial distribution of sedimentary characteristics of the 2011 Tohoku-oki tsunami deposits, Minami-Soma city, Japan.

    Y. Takashimizu

    Workshop "Sedimentary signature of palaeo-tsunamis", Disaster Risk Reduction, French-Japanese Week  2017.10 

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    Presentation type：Oral presentation (general)  

    Venue：Maison Franco-Japonaise, French Embassy (Tokyo, Japan)  

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  • Tsunami behavior using spatial analysis of onshore tsunami deposits from the 2011 Tohoku-oki Earthquake, Fukushima prefecture, Japan

    Takashimizu Y, Shigeno R, Urabe A, Hatori Y

    Japan Geoscience Union Meeting 2017  2017.5  Japan Geoscience Union

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：Makuhari MESSE  

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  • Tsunami characteristics and sediment deposition in the Primorye coast, Russia, due to the Japan Sea earthquakes: a numerical study

    Sugawara D, Nishimura Y, Takashimizu Y, Razjigaeva N. G, Ganzey L. A, Lebedev I, Borisov R

    Japan Geoscience Union Meeting 2017  2017.5  Japan Geoscience Union

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    Venue：Makuhari MESSE  

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  • Spatial distribution of tsunami deposits of the 1993 Hokkaido Nansei-oki Earthquake at a lowland along the Valentine Bay, Primorye coast, Russia

    Nishimura Y, Razjigaeva N. G, Ganzey L. A, Sugawara D, Takashimizu Y, Lebedev I, Borisov R

    Japan Geoscience Union Meeting 2017  2017.5  Japan Geoscience Union

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    Venue：Makuhari MESSE  

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  • Mud clasts of onshore tsunami deposits

    Takashimizu Y, Shigeno R, Hatori Y, Urabe A

    2017 Annual Meeting of the Sedimentological Society of Japan  2017.3  The Sedimentological Society of Japan

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    Venue：Shinshu University  

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  • Differences of distributions patterns between tsunami gravels and storm gravels on a surface of storm swash terraces

    NISHINA K, KAWAKAMI G, KASE Y, HIROSE W, URABE A, TAKASHIMIZU Y, HIRAKAWA K

    日本地質学会第123回学術大会（桜上水）  2016.9  日本地質学会

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    Venue：日本大学  

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  • Features of tsunami deposits analyzed by inorganic geochemistry

    KASE, K, KAWAKAMI G, NISHINA K, HAYASHI K, URABE A, TAKASHIMIZU Y

    日本地質学会第123回学術大会（桜上水）  2016.9  日本地質学会

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    Venue：日本大学  

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  • Vertical distribution of organic-walled microfossils in the Tsunami deposit

    HAYASHI K, KASE Y, URABE A, TAKASHIMIZU Y, KAWAKAMI G, NISHINA K

    日本地質学会第123回学術大会（桜上水）  2016.9  日本地質学会

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    Venue：日本大学  

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  • Characterization of electric conductivity, PH, and organic-walled microfossils for identifying tsunami deposits: an example of modern tsunami and paleotsunami deposits in pacific coast lowlands, Hokkaido and Tohoku, Japan

    Yoshihiro Kase, Keiichi Hayashi, Gentaro Kawakami, Kenji Nishina, Atsushi Urabe, Yasuhiro Takashimizu

    JKASP 2016 (9th Biennial Workshop on Japan-Kamchatka-Alaska Subduction Processes)  2016.5  University of Alaska, Fairbanks

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    Presentation type：Poster presentation  

    Venue：Geophysical Institute, University of Alaska, Fairbanks, ALASKA, USA  

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  • Behavior of the 2011 Tohoku-oki tsunami using magnetic fabric

    Takashimizu Y, Hatori Y, Urabe A, Kase Y, Hayashi K

    Japan Geoscience Union Meeting 2016  2016.5  Japan Geoscience Union

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    Venue：幕張メッセ  

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  • Identification process and criteria of tsunami deposit

    Goto K, Sugawara D, Nishimura Y, Fujino S, Komatsubara J, SawaiY, Takashimizu Y

    Japan Geoscience Union Meeting 2016  2016.5  Japan Geoscience Union

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    Venue：幕張メッセ  

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  • Event deposits recorded in the coastal plain in Toyama and Ishikawa area

    Urabe A, Takashimizu Y, Kataoka Y, Nishina K, Kawakami G, Hirakawa, K, Sakai H

    Japan Geoscience Union Meeting 2016  2016.5  Japan Geoscience Union

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    Venue：幕張メッセ  

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  • Magnetic fabric and grain fabric of tsunami deposits in Odaka area, Minami-Soma City, Japan

    Takashimizu Y, Urabe A, Hatori Y, Kase Y, Hayashi K

    2016 Annual Meeting of the Sedimentological Society of Japan  2016.3  The Sedimentological Society of Japan

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    Venue：Fukuoka University  

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  • The use of electric conductivity for identification of tsunami deposits

    Kase y, Kawakami G, Nishina K, Urabe A, Takashimizu Y, Hayashi K

    2016 Annual Meeting of the Sedimentological Society of Japan  2016.3  The Sedimentological Society of Japan

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    Venue：Fukuoka University  

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  • Applicability of magnetic fabrics to present and recent tsunami deposits

    Takashimizu Y, Urabe A, Kase Y, Hayashi K

    The 122nd Annual Meeting of the Geological Society of Japan  2015.9  The Geological Society of Japan

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    Venue：Shinshu University  

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  • Event deposits of the alluvial sediments in the coastal area of Toyama Bay

    Urabe A, Takashimizu Y, Nishina K, Kawakami G, Hirakawa K, Sakai H

    The 122nd Annual Meeting of the Geological Society of Japan  2015.9  The Geological Society of Japan

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    Venue：Shinshu University  

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  • 大地に刻まれた巨大津波の痕跡を探る

    高清水康博

    ほくりく防災・減災考座2015  2015.7  【主催】北陸地方防災エキスパート 【協賛】一般社団法人北陸地域づくり協会 【後援】NPO法人新潟県砂防ボランティア協会、一般社団法人建設コンサルタンツ協会北陸支部

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：ホテルラングウッド新潟（新潟市中央区笹口1-1） 4F「越後（東）」  

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  • Current situation of the tsunami deposit research and efforts of the Sedimentological Society of Japan

    Goto K, Komatsubara J, Sugawara D, Takashimizu Y, Takano O, Fujino S

    Japan Geoscience Union Meeting 2015  2015.5  Japan Geoscience Union

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    Venue：幕張メッセ  

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  • Trench and coring survey of the tsunami deposits in the coastal area along the Wakasa Bay, Takahama, Fukui Prefecture.

    Yamamoto, H, Urabe, A, Sasaki N, Takashimizu Y, KataokazK

    Japan Geoscience Union Meeting 2015  2015.5  Japan Geoscience Union

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    Venue：幕張メッセ  

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  • Event deposits discovered on the mouth area of Arakawa River, Niigata, Japan

    Takashimizu Y, Ono K, Urabe A, Tsurumaki S

    Japan Geoscience Union Meeting 2015  2015.5  Japan Geoscience Union

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    Venue：幕張メッセ  

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  • Magnetic fabric of plane beds in flume experiments using tsunami deposits

    Takashimizu Y, Ota K, Urabe A

    2015 Annual Meeting of the Sedimentological Society of Japan  2015.4  The Sedimentological Society of Japan

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    Venue：University of Tsukuba  

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  • Sedimentary characteristics of tsunami deposits in Okushiri Island, southwestern Hokkaido, Japan

    Kase, Y, Nishina, K, Hayashi, K, Kawakami, G, Koshimizu, K, Takashimizu, Y, Watanabe, T, Sagayama, T, Takahashi, R, Hirose, W, Ohtsu, S, Ishimaru, S, Fukami, H, Tajika, J

    8th Biennial Workshop on Japan-Kamchatka-Alaska Subduction Processes: Finding clues for science and disaster mitigation from international collaboration  2014.9 

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    Venue：Hokkaido University, Sapporo, Japan  

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  • Characteristics of a contourite sequence with bigradational grading based on grain-size analyses and AMS 14C dating

    高清水康博, 河村遼平, Ducassou, E, Hern?ndez-Molina, F.J., Stow, D.A.V, Alvarez-Zarikian, C, 乗船研究者

    日本地質学会第121回学術大会（鹿児島）  2014.9  日本地質学会

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    Venue：鹿児島大学  

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  • 若狭湾沿い海岸平野におけるトレンチ，コアリングによる津波 堆積物調査

    山本博文, 卜部厚志, 佐々木直広, 高清水康博, 片岡香子

    日本地質学会第121回学術大会（鹿児島）  2014.9  日本地質学会

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    Venue：鹿児島大学  

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  • 北海道南西部奥尻島で認められた津波堆積物

    加瀬善洋, 林 圭一, 仁科健二, 川上源太郎, 輿水健一, 高清水康博, 嵯峨山 積, 渡邊達也, 高橋 良, 廣瀬 亘, 大津 直, 石丸 聡, 深 見浩司, 田近 淳

    日本地質学会第121回学術大会（鹿児島）  2014.9  日本地質学会

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    Venue：鹿児島大学  

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  • 有機質膜をもつ微生物遺骸（渦鞭毛藻シスト）を利用したイベ ント堆積物の起源推定

    林 圭一, 加瀬善洋, 仁科健二, 川上 源太郎, 輿水健一, 高清水康博, 渡邊達也, 高橋 良, 廣瀬 亘, 大津 直, 石丸 聡, 深見浩司, 田近 淳

    日本地質学会第121回学術大会（鹿児島）  2014.9  日本地質学会

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    Venue：鹿児島大学  

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  • 福井地域の海岸平野における津波堆積物調査

    卜部厚志, 山本 博文, 佐々木直広, 高清水康博, 片岡香子

    日本地質学会第121回学術大会（鹿児島）  2014.9  日本地質学会

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    Venue：鹿児島大学  

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  • Characteristics of a contourite sequence with bi-gradational grading based on grain-size analyses and AMS 14C dating an example from Holocene clean sands of the Faro Drift, Gulf of C?diz International conference

    Takashimizu Y, Kawamura R, Hern?ndez-Molina, F. J, Stow, D. A. V, Alvarez-Zarikian, C, d Ex, Scientists

    IODP Expedition 339 2nd Post-cruise Meeting  2014.6 

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    Venue：Tarifa, C?diz, SPAIN  

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  • 奥尻島で認められた津波堆積物の堆積学的特徴

    加瀬善洋, 仁科健二, 林 圭一, 川上源太郎, 輿水健一, 高清水康博, 嵯峨山 積, 渡邊達也, 高橋 良, 廣瀬 亘, 大津 直, 石丸 聡, 深見浩司, 田近 淳, 卜部厚志

    平成26年度 環境・地質研究本部 調査研究成果発表会  2014.5  地方行政法人 北海道立総合研究機構

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    Venue：北海道総合研究プラザ 1F セミナー室（札幌市北区北 19 条西 11 丁目）  

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  • Scour and deposition by the 2011 Tohoku-oki tsunami at Takata-matsubara in Rikuzentakata

    Yasuhiro Takashimizu, Takahiro Shibuya

    日本地球惑星科学連合2014年大会  2014.4  日本地球惑星科学連合

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    Venue：パシフィコ横浜（横浜市）  

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  • Preliminary study for evidence of tsunami deposits from Holocene sediments along the coastal area of the Wakasa Bay

    YAMAMOTO Hirofumi, URABE Atsushi, SASAKI Naohiro, TAKASHIMIZU, Yasuhiro, KATAOKA, Kyoko S

    日本地球惑星科学連合2014年大会  2014.4  日本地球惑星科学連合

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    Venue：パシフィコ横浜（横浜市）  

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  • Microstructure of muddy contourite from the Gulf of Cadiz

    Nishida, N, Hern?ndez-Molina, F.J, Stow, D.A.V, Alvarez-Zarikian, C, IODP Ex, Scientists (Acton, G, Bahr, A, Balestra, B, Ducassou. E, Flood, R, Flores, J-A, Furota, S, Grunert, P, Hodell, D, Jimenez-Espejo, F.J, Kim, J.K, Kuroda, J, Krissek, L, Li, B, Llave, E, Lofi, J, Lourens, L, Miller, M, Nanayama, F, Richter, C, Roque, C, Sanchez Go?i, M, Sierro Sanchez, F, Singh, A, Sloss, C, Takashimizu, Y, Tzanova, A, Voelker, A, Williams, T, Xuan, C

    日本堆積学会2014年山口大会  2014.3 

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    Venue：山口市山口大学  

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  • Tsunami deposits identified from Ria coast using particle roundness

    Yasuhiro Takashimizu, Maiko Iiyoshi, Atsushi Urabe

    日本堆積学会2014年山口大会  2014.3  日本堆積学会

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    Venue：Preliminary results from identification of tsunami deposits along the Sea of Japan  

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  • Sedimentary characteristics of tsunami deposits in the Okushiri Island, southwestern Hokkaido

    Yoshihiro KASE, Kenji NISHINA, Keiichi HAYASHI, Gentaro KAWAKAMI, Ken'ichi KOSHIMIZU, Yasuhiro TAKASHIMIZU, Tsumoru SAGAYAMA, Tatsuya WATANABE, Ryo TAKAHASHI, Wataru HIROSE, Sunao OHTSU, Satoshi ISHIMARU, Hiroshi FUKAMI, Jun TAJIKA, Atsushi URABE

    日本堆積学会2014年山口大会  2014.3  日本堆積学会

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    Venue：山口市山口大学  

    日本海北部に位置する離島のうち，複数層準の津波堆積物が検出されている北海道奥尻島，山形県飛島，新潟県佐渡島を対象に，それぞれの地域における津波堆積物の層相や堆積場（地形・標高），堆積年代を比較した．また追加的に青森県西津軽〜秋田県男鹿にかけて津波堆積物調査を実施し，日本海北部域におけるイベントの規模や波源域の推定を行った．海岸に面する緩斜面や低位段丘，ごく小規模な陸繋島様の地形的鞍部に，礫質の津波堆積物が確認された．それらは有機質な土壌層に挟在し，円磨度やファブリックによって斜面上方に起源をもつ礫質斜面堆積物と区別し得る．イベントの広域対比では，北海道奥尻島で13世紀頃，山形県飛島で9世紀のイベンおよび10世紀以降〜13世紀頃までに2つのイベントが，新潟県佐渡島では9世紀および10〜12世紀の2つのイベントが推定される．今回，青森県深浦，秋田県男鹿で9世紀頃のイベント堆積物を確認したことから，9世紀および10〜13世紀に日本海北部で大きな津波イベントが発生している可能性が指摘される．

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  • 津波堆積物の調査方法，分析方法の紹介：定方位不攪乱試料採取法

    Y. Takashimizu

    第5回 津波堆積物ワークショップ  2013.9  津波堆積物ワーキンググループ（日本地質学会・日本堆積学会）

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    Venue：東北大学川内キャンパス  

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  • 東北地方北部?北海道の太平洋側に来襲しうる津波

    Y. Takashimizu

    第5回 津波堆積物ワークショップ  2013.9  津波堆積物ワーキンググループ（日本地質学会・日本堆積学会）

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    Venue：東北大学川内キャンパス  

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  • New parameter of roundness: Circularity correlated by aspect ratio on Image J

    Yasuhiro Takashimizu

    日本地質学会第120年学術大会（2013仙台）  2013.9  一般社団法人日本地質学会

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    Venue：仙台市青葉区東北大学川内キャンパス  

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  • 異常反射物から見た広田湾における津波堆積物の特徴

    横山由香, 坂本 泉, 八木雅俊, 井村理一郎, 飯島さつき, 根元謙次, 鬼頭毅, 松井康雄, 高清水康博, 吉河秀郎, 笠谷貴史, 藤原義弘

    日本地質学会第120年学術大会（2013仙台）  2013.9  一般社団法人日本地質学会

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    Venue：仙台市青葉区東北大学川内キャンパス  

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  • 新潟地域の海岸砂丘後背地における津波堆積物

    卜部厚志, 高清水康博

    日本地質学会第120年学術大会（2013仙台）  2013.9  一般社団法人日本地質学会

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    Venue：仙台市青葉区東北大学川内キャンパス  

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  • 岩手県広田湾における津波起源堆積物の特徴

    横山由香, 坂本 泉, 八木雅俊, 井村理一郎, 飯島さつき, 根元謙次, 鬼頭毅, 松井康雄, 高清水康博, 吉河秀郎, 笠谷貴史, 藤原義弘

    日本地質学会第120年学術大会（2013仙台）  2013.9  一般社団法人日本地質学会

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    Venue：仙台市青葉区東北大学川内キャンパス  

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  • AMS Fabric and Grain Size Characteristics of Holocene Sandy deposits from the Contourite Depositional System of the Gulf of Cadiz and west off Portugal: Preliminary results

    高清水 康博, 河村 遼平, ndez-Molina F.J, Stow D.A.V, Alvarez-Zarikian Carlos, Ex, Scientists

    日本地質学会第120年学術大会（2013仙台）  2013.9  一般社団法人日本地質学会

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    Venue：仙台市青葉区東北大学川内キャンパス  

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  • 川から遡った津波の記録：1833年庄内沖地震

    Takashimizu, Y

    ミニ講演会「堆積物からわかる日本海側の津波の記録」  2013.8  新潟大学災害・復興科学研究所・新潟市歴史博物館

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    Venue：新潟市歴史博物館 本館2階 セミナー室  

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  • Characteristics of tsunami origin sediments sampled from Hirota and Toni bay around the Sanriku coast, Japan.

    Sakamoto, I, Yokoyama, Y, Takino, T, Yagi, M, Kanai, D, Suzuki, A, Endo, A, Imura, R, Iijima, S. Nemoto, K, Matsui, Y, Kito, T, Takashimizu, Y, Yoshikawa, Y, Fujiwara, Y, Kasaya, T

    日本地球惑星科学連合 2013年度連合大会  2013.5  日本地球惑星科学連合

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    Venue：幕張メッセ  

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  • Distribution and origin of the 17th century tsunami deposit in the Iburi coast, Shiraoi district, central Hokkaido

    Nakanishi, R, Okamura, S, Takashimizu, Y, Nishina, K

    日本地球惑星科学連合2013年大会  2013.5  公益社団法人日本地球惑星科学連合

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    Venue：千葉県 幕張メッセ国際会議場  

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  • Characteristic of surface sediment left by 2011 Tohoku earthquake, case study of Hirota bay

    Yokoyama, Y, Sakamoto, I, Takino, Y, Takashimizu, Y, Yagi, M, Suzuki, S, Endo, A

    日本地球惑星科学連合2013年大会  2013.5  公益社団法人日本地球惑星科学連合

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    Venue：千葉県 幕張メッセ国際会議場  

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  • High contribution ratio of tsunami deposits for alluvium in the Masaki coast, northern Japan

    Takashimizu, Y, Urabe, A, Hirakawa, K

    沖積層における津波堆積物の高い寄与率：宮古市真崎海岸の例  2013.5  地球惑星科学連合

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    Venue：幕張メッセ  

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  • Characteristic of submarine topography and sediment left by 2011 Tohoku earthquake, case study of Okirai and Toni bay

    Yokoyama, Y, Sakamoto, I, Takino, Y, Takashimizu, Y, Yagi, M, Kanai, D, Imura, R, Nemoto, K, Kito, T, Matsui, Y

    日本地球惑星科学連合2013年大会  2013.5  公益社団法人日本地球惑星科学連合

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    Venue：千葉県 幕張メッセ国際会議場  

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  • Tsunami behavior on the Sendai Plain, Sendai, north eastern Japan: Paleocurrent analysis using the anisotropy of magnetic susceptibility

    Shibuya, T, Takashimizu, Y

    日本堆積学会2013年千葉大会  2013.4  日本堆積学会

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    Venue：千葉大学  

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  • Depositional facies and processes of the latest Pleistocene to Holocene incised valley fill in Kushiro Plain, Hokkaido, northern Japan

    Takashimizu, Y, Abe, Y, Otsuka, T, Shibuya, T, Suzuki, S, Ishii, C, Miyama, Y

    日本堆積学会2013年千葉大会  2013.4  日本堆積学会

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    Venue：千葉大学  

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  • アイヌ口碑伝説とアイヌ語地名から読む、過去の巨大津波と地震

    高清水康博

    過去の津波と地震を紐解く（標津町平成２４年度生活館活動推進事業）  2013.3  標津町

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    Venue：標津地区生活館（標津町南６条西２丁目１?１）  

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  • アイヌ口碑伝説から探る釧路の大津波

    高清水康博

    防災ワンデー『釧路防災講演会２０１３』?検証！釧路の古津波?  2013.1  釧路市連合町内会/釧路市連合防災推進協議会/釧路市家庭防災推進員連絡協議会/ＮＨＫ釧路放送局/釧路地方気象台/

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    Venue：釧路アクア・ベール  

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  • 胆振海岸東部（むかわ町?苫小牧勇払地域）から確認された１７世紀津波堆積物の特徴と今後の研究課題および、ACEライナーによる地層引き抜き調査について

    高清水康博

    津波堆積物ゼミ：北海道胆振海岸地域の津波防災を考える  2012.12  新潟大学

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    Venue：苫小牧市役所 南庁舎３階会議室  

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  • Process, sea-level and tectonic controls on evolution of the South Iberian margin: Preliminary Results of IODP Expedition 339 in the Gulf of Cadiz International conference

    Stow D, Hern?ndez-Molina F. J, Alvarez-Zarikian, C, Expedition, Scientists (Acton G, Bahr A, Balestra B, Ducassou. E, Flood R, Flores J-A, Furota S, Grunert P, Hodell D, Jimenez-Espejo F, Lofi J, Kim J. K, Krissek L, Kuroda J, Li B, Llave E, Lourens L, Miller M, Nanayama F, Nishida N, Richter C, Pereira, H. Roque C, Sanchez Go?i M, Sierro Sanchez F, Singh A, Sloss C, Takashimizu Y, Tzanova A, Voelker A, Williams T, Xuan C

    Deep Water Continental Margins Conference  2012.10  Geological Society of London

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  • Onset, evolution and effects of the Meditarrean Outflow: an overview of IODP Expedition 339 in the Gulf of Cadiz

    高清水康博, Hern?ndez-Molina Francisco Javier, Stow Dorrik A.V, Alvarez-Zarikian Carlos, 風呂田郷史, Jimenez-Espejo Francisco, 黒田潤一郎, 七山 太, 西田尚央, 乗船研究者

    日本地質学会第119年学術大会  2012.9  日本地質学会

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    Venue：大阪府立大学  

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  • コンターライト堆積相の特徴とその時空的変化：北大西洋スペイン?ポルトガル沖

    西田尚央, Hern?ndez-Molina Francisco Javier, Stow Dorrik A.V.・Alvarez-Zarikian Carlos, 風呂田郷史, Jimenez-Espejo Francisco, 黒田潤一郎, 七山 太, 高清水康博, 乗船研究者

    日本地質学会第119年学術大会  2012.9  日本地質学会

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    Venue：大阪府立大学  

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  • Stratigraphy of contourite depositional systems in the Gulf of Cadiz: MIS 7 to Holocene International conference

    Sloss C, Hern?ndez-Molina F. J, Stow D, Hodell D, Alvarez-Zarikian, C, Petheric L, Expedition, Scientists (Acton G, Bahr A, Balestra B, Ducassou. E, Flood R, Flores J-A, Furota S, Grunert P, Hodell D, Jimenez-Espejo F, Kim J. K, Krissek L, Kuroda J, Li B, Llave E, Lofi J, Lourens L, Miller M, Nanayama F, Nishida N, Richter C, Pereira, H. Roque C, Sanchez Go?i M, Sierro Sanchez F, Singh A, Takashimizu Y, Tzanova A, Voelker A, Williams T, Xuan C

    34th International Geological Congress  2012.8 

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  • Onset, evolution and effects of the Mediterranean Outflow: Preliminary Results of IODP Expedition 339 in the Gulf of Cadiz International conference

    Stow D, Hern?ndez-Molina F. J, Hodell D, Alvarez-Zarikian, C, Petheric L, Expedition, Scientists (Acton G, Bahr A, Balestra B, Ducassou. E, Flood R, Flores J-A, Furota S, Grunert P, Hodell D, Jimenez-Espejo F, Kim J. K, Krissek L, Kuroda J, Li B, Llave E, Lofi J, Lourens L, Miller M, Nanayama F, Nishida N, Richter C, Pereira, H. Roque C, Sanchez Go?i M, Sierro Sanchez F, Singh A, Sloss C, Takashimizu Y, Tzanova A, Voelker A, Williams T, Xuan C

    34th International Geological Congress  2012.8 

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  • Onset, evolution and effects of the Mediterranean Outflow: An overview of IODP Expedition 339 International conference

    Hern?ndez-Molina F. Javier, Stow Dorrik, Alvarez-Zarikian Carlos, Jimenez-Espejo F, Kuroda J, Furota S, Nanayama F, Nishida N, Takashimizu Y, Expedition IODP, Scientists (Acton G, Bahr A, Balestra B, Ducassou. E, Flood R, Flores J-A, Grunert P, Hodell D, Kim J. K, Krissek L, Li B, Llave E, Lofi J, Lourens L, Miller M, Richter C, Pereira, H. Roque C, Sanchez Go?i M, Sierro Sanchez F, Singh A, Sloss C, Tzanova A, Voelker A, Williams T, Xuan C

    2012 Annual Meeting of Japan Geoscience Union  2012.5 

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    Venue：Makuhari Messe  

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  • Coastal lowland deposition by tsunami over a coastal sand dune: Examples from historical and present tsunami deposits on coastal lowland

    高清水康博, 永井 潤, 卜部厚志, 佐藤善輝, 岡村 聡, 西村裕一, 鈴木幸治

    砂丘を越流して平野へ浸入した津波からの堆積物：仙台平野の2011年東北津波堆積物と胆振海岸の17世紀津波堆積物の比較から  2012.5  日本地球惑星科学連合

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    Venue：幕張メッセ  

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  • Onset, evolution and effects of the Mediterranean Outflow: Preliminary Results of IODP Expedition 339 in the Gulf of Cadiz International conference

    Hern?ndez-Molina F. Javier, Stow Dorrik, Alvarez-Zarikian Carlos, Expedition IODP, Scientists (Acton G, Bahr A, Balestra B, Ducassou. E, Flood R, Flores J-A, Furota S, Grunert P, Hodell D, Jimenez-Espejo F, Kim J. K, Krissek L, Kuroda J, Li B, Llave E, Lofi J, Lourens L, Miller M, Nanayama F, Nishida N, Richter C, Pereira, H. Roque C, Sanchez Go?i M, Sierro Sanchez F, Singh A, Sloss C, Takashimizu Y, Tzanova A, Voelker A, Williams T, Xuan C

    European Geosciences Union General Assembly 2012  2012.4 

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    Venue：Vienna, Austria  

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  • Onset, evolution and effects of the Mediterranean Outflow: Preliminary Results of IODP Expedition 339 in the Gulf of Cadiz International conference

    Hern?ndez-Molina F. J, Stow D, HODELL D, ALVAREZ-ZARIKIAN, C, Kim J. K, Expedition, Scientists (Acton G, Bahr A, Balestra B, Ducassou. E, Flood R, Flores J-A, Furota S, Grunert P, Hodell D, Jimenez-Espejo F, Krissek L, Kuroda J, Li B, Llave E, Lofi J, Lourens L, Miller M, Nanayama F, Nishida N, Richter C, Pereira, H. Roque C, Sanchez Go?i M, Sierro Sanchez F, Singh A, Sloss C, Takashimizu Y, Tzanova A, Voelker A, Williams T, Xuan C

    2012 Joint Conference of the Geological Science & Technology of Korea  2012.4 

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  • Onset, evolution and effects of the Mediterranean Outflow: An overview of IODP Expedition 339 in the Gulf of Cadiz International conference

    Hern?ndez-Molina F. J, Stow D, Alvarez-Zarikian, C, Lofi J, Ducassou. E, Sanchez Go?i M, Expedition, Scientists (Acton G, Bahr A, Balestra B, Flood R, Flores J-A, Furota S, Grunert P, Hodell D, Jimenez-Espejo F, Kim J. K, Krissek L, Kuroda J, Li B, Llave E, Lourens L, Miller M, Nanayama F, Nishida N, Richter C, Pereira, H. Roque C, Sierro Sanchez F, Singh A, Sloss C, Takashimizu Y, Tzanova A, Voelker A, Williams T, Xuan C

    the IODP France Scientific Meeting  2012.4 

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    Venue：Paris  

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  • FMS resistivity layer characterization in a contourite depositional system. Preliminary results from Sites U1389 and U1390, IODP Expedition 339 in the Gulf of Cadiz. International conference

    Lofi J, Galvani A, Williams T, Hern?ndez-Molina F. J, Stow D, Llave E, Miller M, Alvarez-Zarikian, C, Expedition, Scientists (Acton G, Bahr A, Balestra B, Ducassou. E, Flood R, Flores J-A, Furota S, Grunert P, Hodell D, Jimenez-Espejo F, Kim J. K, Krissek L, Kuroda J, Li B, Lourens L, Nanayama F, Nishida N, Richter C, Pereira, H. Roque C, Sanchez Go?i M, Sierro Sanchez F, Singh A, Sloss C, Takashimizu Y, Tzanova A, Voelker A, Xuan C

    IODP-France Scientific Meeting  2012.4 

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    Venue：Paris  

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  • Preliminary Results of IODP Expedition 339 "Mediterranean Outflow" International conference

    Bahr A, Hern?ndez-Molina F. J, Stow D, HODELL D, ALVAREZ-ZARIKIAN, C, Expedition, Scientists (Acton G, Balestra B, Ducassou. E, Flood R, Flores J-A, Furota S, Grunert P, Hodell D, Jimenez-Espejo F, Kim J. K, Krissek L, Kuroda J, Li B, Llave E, Lofi J, Lourens L, Miller M, Nanayama F, Nishida N, Richter C, Pereira, H. Roque C, Sanchez Go?i M, Sierro Sanchez F, Singh A, Sloss C, Takashimizu Y, Tzanova A, Voelker A, Williams T, Xuan C

    IODP Colloquium of the German Research Foundation  2012.3 

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    Venue：Kiel  

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  • New data on the Stilostomella-event in the North Atlantic from IODP Expedition 339 International conference

    Grunert P, Hern?ndez-Molina F. J, Stow D, HODELL D, ALVAREZ-ZARIKIAN, C, Expedition, Scientists (Acton G, Balestra B, Ducassou. E, Flood R, Flores J-A, Furota S, Bahr A, Hodell D, Jimenez-Espejo F, Kim J. K, Krissek L, Kuroda J, Li B, Llave E, Lofi J, Lourens L, Miller M, Nanayama F, Nishida N, Richter C, Pereira, H. Roque C, Sanchez Go?i M, Sierro Sanchez F, Singh A, Sloss C, Takashimizu Y, Tzanova A, Voelker A, Williams T, Xuan C

    IODP Colloquium of the German Research Foundation  2012.3 

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    Venue：Kiel  

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  • 地層学とアイヌ口碑伝説から過去の大津波を探る

    Yasuhiro Takashimizu

    2011年度自然災害シンポジウム「古津波をさぐるー地層・伝承・古文書から?」  2012.2  自然災害協議会北海道地区部会

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    Venue：北海道大学学術交流会館大講堂（札幌市北区北8条西5丁目，北大正門前）  

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  • 仙台平野の沿岸低地を遡上した2011年巨大津波による堆積物の特徴

    高清水康博, 卜部厚志, 鈴木幸治, 佐藤義輝

    津波災害に関するシンポジウム  2011.11  新潟大学災害復興科学研究所

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    Venue：ベンチャービジネスラボラトリー  

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  • The seventeenth century tsunami deposits of Iburi coast, Hokkaido: relationship to the 1640 Hokkaido Komagatake Eruption

    岡村 聡, 伊藤和也, 永井 潤, 西村裕一, 高清水康博

    2011年度秋季大会  2011.10  日本火山学会

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  • The 2011 Tsunami deposits on coastal lowland of Sendai Plain, eastern Japan

    Yasuhiro Takashimizu, Atsushi Urabe, Koji Suzuki

    日本地質学会第118年学術大会  2011.9  日本地質学会

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    Venue：茨城大学  

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  • Sedimentokigical study of the Pleistocene Kanazu Formation in the Niitsu hill, Niigata, central Japan

    Kojun Chino, Yasuhiro Takashimizu

    日本地質学会第118年学術大会  2011.9  日本地質学会

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    Venue：茨城大学  

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  • 仙台平野を遡上した津波流による堆積物の特徴

    高清水康博, 卜部厚志, 鈴木幸治

    新潟大学災害・復興科学研究所地震災害調査報告会  2011.6 

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    Venue：新潟大学総合教育研究統G415講義室  

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  • Sedimentological study of the subsurface strata of the Kushiro Plain, northern Japan

    Yasuhiro Takashimizu, Yuichi Abe, Shinaya Suzuki, Chihiro Maruyama

    日本地球惑星科学連合2011年大会  2011.5  地球惑星科学連合

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    Venue：幕張メッセ国際会議場  

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  • Characteristics of the recent onshore tsunami deposits in coastal lowland, Wakabayashiku,

    Yasuhiro Takashimizu, Atsushi Urabe, Koji Suzuki

    日本地球惑星科学連合2011年大会  2011.5  地球惑星科学連合

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    Venue：幕張メッセ国際会議場(〒261-0023 千葉市美浜区中瀬2-1)  

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  • 津波堆積物が語る北海道を襲った巨大津波：過去は未来を解く鍵

    高清水康博

    平成23年北海道総合研究機構地質研究所調査研究成果報告会  2011.5  地方独立行政法人北海道総合研究機構環境・地質研究本部地質研究所

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    Venue：科学技術振興機構研究成果活用プラザ北海道  

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  • Groundwater Level in Midwestern Part of the Ishikari Plain

    Kaoru MARUTANI, Yasuhiro TAKASHIMIZU, Hiroshi FUKAMI

    第20回環境地質学シンポジウム  2010.12  地質汚染?医療地質?社会地質学会

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    Venue：早稲田大学西早稲田キャンパス理工学術院５５号館Ｎ棟大会議室  

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  • Sedimentological study of D5 core in the Kushiro wetland, eastern Hokkaido, Northern Japan

    Shinya SUZUKI, Yasuhiro TAKASHIMIZU

    第20回環境地質学シンポジウム  2010.12  地質汚染?医療地質?社会地質学会

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    Venue：早稲田大学西早稲田キャンパス理工学術院５５号館Ｎ棟大会議室  

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  • Sedimentological study of D3 core in the Kushiro wetland, eastern Hokkaido, Northern Japan

    Shinya SUZUKI, Yasuhiro TAKASHIMIZU

    第20回環境地質学シンポジウム  2010.12  地質汚染?医療地質?社会地質学会

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    Venue：早稲田大学西早稲田キャンパス理工学術院５５号館Ｎ棟大会議室  

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  • Sedimentological characteristics of D2 core in the Kushiro plain, Hokkaido, Northern Japan

    Yasuhiro Takashimizu, Yuichi Abe

    日本地質学会第117年学術大会（富山大会）  2010.9  日本地質学会

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    Venue：富山大学五福キャンパス  

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  • Sedimentological characteristics of D1 core in the Kushiro plain, Hokkaido, Northern Japan

    Yasuhiro Takashimizu, Yuuichi Abe

    日本第四紀学会2010 年大会  2010.8  日本第四紀学会

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    Venue：東京学芸大学芸術館ホール  

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  • 新潟大学のコア・サイエンス・ティーチャー（CST）養成プログラムにおける地学分野の指導力向上へ向けた取り組み

    平中宏典, 藤林紀枝, 高清水康博, 興治文子

    日本第四紀学会2010年大会  2010.8  日本第四紀学会

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    Venue：東京学芸大学芸術館ホール  

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  • Characteristics of the fills of the Takinoue hydraulic power plant, Hokkaido, Japan

    Yasuhiro Takashimizu, Yuji Endo

    日本地球惑星科学連合 2010年度連合大会  2010.5 

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    Venue：幕張メッセ  

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  • 珪長質テフラの流下に伴う古環境の変遷：魚沼層群中のNssテフラ及びSK085テフラの広域対比から

    岡崎 歩, 高清水康博

    日本堆積学会2010年茨城大会  2010.3  日本堆積学会

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    Venue：茨城大学水戸キャンパス茨苑会館  

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  • 海底谷充填物から確認されたデューン様ベッドフォームの特徴：新津丘陵に分布する鮮新世金津層の例

    熊倉悠太, 高清水康博

    日本堆積学会2010年茨城大会  2010.3  日本堆積学会

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    Venue：茨城大学水戸キャンパス茨苑会館  

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  • 上部外浜堆積物中に見られる沿岸洲の特徴：見附地域における更新統の堆積学的研究

    高井那弥, 高清水康博

    日本堆積学会2010年茨城大会  2010.3  日本堆積学会

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    Venue：茨城大学水戸キャンパス茨苑会館  

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  • 地震性沈降を反映した強制的海進：新潟県角田山東麓峰岡丘陵仁箇層の古環境復元から

    関 信也, 高清水康博

    日本堆積学会2010年茨城大会  2010.3  日本堆積学会

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    Venue：茨城大学水戸キャンパス茨苑会館  

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  • 日高海岸から確認された１７世紀津波堆積物（？）の特徴

    高清水康博, 仁科健二

    日本堆積学会2010年茨城大会  2010.3  日本堆積学会

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    Venue：茨城大学水戸キャンパス茨苑会館  

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  • 堆積相解析と粒度分析による河川卓越型デルタの特徴：新津丘陵天ヶ沢地域に分布する例

    知野光潤, 高清水康博

    日本堆積学会2010年茨城大会  2010.3  日本堆積学会

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    Venue：茨城大学水戸キャンパス茨苑会館  

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  • 釧路湿原の周縁から湧出する湧水と湿原周辺の地下水の水質

    丸谷 薫, 高清水康博

    第19回環境地質学シンポジウム  2009.12  地質汚染?医療地質?社会地質学会

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    Venue：早稲田大学西早稲田キャンパス理工学部55号館 N棟大会議室B  

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  • 堆積相解析による透水性と地下水水質の特徴：北海道の更新統の例

    高清水康博, 丸谷 薫

    日本地質学会第116年学術大会  2009.9  日本地質学会

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    Venue：岡山理科大学  

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  • 粒径頻度プロファイルから検討した堆積過程?石狩低地帯沖積層ボーリングコアの例?

    仁科健二, 川上 源太郎, 小松原 純子, 木村 克己, 大津 直, 廣瀬 亘, 高清水 康博, 岡 孝雄

    日本地質学会第116年学術大会  2009.9  日本地質学会

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    Venue：岡山理科大学  

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  • 北海道当別町川下地区で掘削された沖積層ボーリングコア（GS-HTB）の解析

    川上源太郎, 小松原純子, 仁科健二, 木村克己, 廣瀬 亘, 大津 直, 高清水康博, 岡 孝雄

    日本地球惑星科学連合 2009年度連合大会  2009.5  日本地球惑星科学連合

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    Venue：幕張メッセ  

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  • 河川の影響する潮汐システム：十勝平野に分布する池田層群最上部の堆積相解析から

    高清水康博

    日本堆積学会2009年京都・枚方大会  2009.3  日本堆積学会

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  • 砂丘を乗り越えた津波堆積物の特徴：北海道西部太平洋岸に分布する17 世紀津波堆積物の例

    高清水康博, 永井 潤, 岡村 聡

    日本堆積学会2009年京都・枚方大会  2009.3  日本堆積学会

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    Venue：大阪工業大学・京都大学防災研究所  

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  • 積雪寒冷地におけるノンポイントソースによる地下水汚染の濃度分布

    丸谷 薫, 高清水康博, 高橋 良

    第18回環境地質学シンポジウム  2008.11  地質汚染?医療地質?社会地質学会

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    Venue：名古屋大学  

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  • 石狩低地沖積層の層序・構造の解明に向けて

    川上源太郎, 廣瀬 亘, 大津 直, 仁科健二, 高清水康博, 嵯峨山 積, 岡 孝雄, 小松原純子, 木村克己

    日本地質学会第115年学術大会  2008.9  日本地質学会

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    Venue：秋田大学  

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  • 堆積相，粒度特性および透水試験による浅海性砂質堆積物の評価：北海道幌延町に分布する更別層の解析から

    高清水康博

    日本堆積学会2008 年例会  2008.4  日本堆積学会

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    Venue：弘前大学創立50周年記念館  

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  • 積雪寒冷地における砂礫帯水層への硝酸浸透機構

    丸谷 薫, 高清水康博

    第17回環境地質学シンポジウム  2008.1  地質汚染?医療地質?社会地質学会

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    Venue：日本大学  

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  • 釧路湿原の湧水と帯水層の特徴

    高清水康博, 丸谷 薫

    日本地質学会第114年学術大会  2007.9  日本地質学会

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    Venue：北海道大学高等教育機能開発センター  

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  • 北海道，苫小牧周辺における17世紀津波堆積物の堆積構造

    永井 潤, 高清水康博, 西村 裕一, 嵯峨山 積, 岡村 聰

    日本地質学会第114年学術大会  2007.9  日本地質学会

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    Venue：北海道大学高等教育機能開発センター  

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  • 前弧海盆に発達した海底チャネルと海底谷の復元：中新-鮮新統宮崎層群“宮崎相”の層序と堆積学的解析から

    高清水康博

    地学団体研究会第61回総会シンポジウム「鮮新?更新統のこれからの研究」  2007.8  地学団体研究会

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    Venue：大阪市立大学  

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  • 北海道，苫小牧周辺に分布する17 世紀津波堆積物

    永井 潤, 高清水康博, 西村裕一, 嵯峨山 積, 岡村 聡

    日本地球惑星科学連合2007年連合大会  2007.5  日本地球惑星科学連合

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    Venue：幕張メッセ  

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  • Seventeenth Century Tsunami Deposit in Eastern Iburi, Hokkaido, Northern Japan International conference

    Yasuhiro Takashimizu, Tsumoru Sagayama, Kenji Nishina, Takao Oka, Yugo Nakamura, Yuichi Nishimura

    17th International Sedimentological Congress  2006.8  International Association of Sedimentologists

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    Venue：福岡国際会議場  

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  • 北海道周辺地域における歴史地震について：アイヌの口碑伝説と歴史記録に基づく検討

    新里忠史, 重野聖之, 高清水康博

    日本地球惑星科学連合2006年連合大会  2006.5  日本地球惑星科学連合

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：幕張メッセ  

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  • 豊平川沿いを中心とした札幌西南山地の新第三系層序について?カイギュウ化石関連調査の今後の課題?

    岡 孝雄, 高清水康博

    2006年地学団体研究会北海道支部総会  2006.4  地学団体研究会北海道支部

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：札幌市博物館活動センター  

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  • 堆積学的解析を用いた帯水層・難帯水層の評価：十勝平野に分布する最上部池田層群の堆積相解析の結果から

    高清水康博, 岡 孝雄

    日本堆積学会2006年例会  2006.3  日本堆積学会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：大阪市立大学  

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  • 北海道における砂礫帯水層の硝酸性窒素調査事例

    丸谷 薫, 高清水康博

    第15回環境地質学シンポジウム  2005.12  地質汚染?医療地質?社会地質学会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：横浜情報文化センター  

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  • 釧路湿原の湧水と周辺地域の地質について(1)

    高清水康博, 丸谷 薫

    第14回環境地質学シンポジウム  2004.12  日本地質学会環境地質研究委員会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：東京大学農学部2号館化1・化2  

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  • 北海道オホーツク沿岸で確認されたイベント砂層

    仁科健二, 高清水康博, 嵯峨山 積

    日本地質学会第111年学術大会  2004.9  日本地質学会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：千葉大学  

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  • 地質時代の津波の痕跡を探る?静岡県牧ノ原台地の上部更新等の例?

    高清水康博

    平成16年度地学団体研究会北海道支部総会  2004.4  地学団体研究会北海道支部

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：札幌市生涯学習センター  

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  • 2003年台風10号豪雨・十勝沖地震による地盤災害

    石丸 聡, 高清水康博

    第42回試錐研究会  2004.3  試錐研究会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：札幌サンプラザ  

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  • 北海道石狩低地帯（恵庭市?千歳市）における地下水資源の利用と地下水位および地下水質の変化

    高清水康博, 丸谷 薫, 深見浩司

    第13回環境地質学シンポジウム  2003.12  日本地質学会環境地質研究委員会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：神戸大学発達科学部Ｇ棟  

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  • 平成15年(2003年)十勝沖地震による被害調査報告

    高清水康博, 廣瀬 亘, 大津 直, 田村 慎, 田近 淳, 石丸 聡, 高見雅三, 岡 孝雄

    第13回環境地質学シンポジウム  2003.12  日本地質学会環境地質研究委員会

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    Language：Japanese   Presentation type：Oral presentation (general)  

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  • 北海道鵡川町の沖積層中から見つかった海成イベント堆積物について

    高清水康博, 仁科健二, 嵯峨山 積, 岡 孝雄

    日本地質学会第109年学術大会  2002.9  日本地質学会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：新潟大学  

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  • 冷水性炭酸塩堆積物を含む新生代中頓別層の形成過程-北海道天然記念物中頓別鍾乳洞とその周辺地域の地質から-

    高清水康博

    堆積学研究会2002年春季研究集会  2002.4  堆積学研究会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：サンセール盛岡  

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  • 宮崎層群"宮崎相"にみられる海底チャネルの堆積相とその形成

    高清水康博

    堆積学研究会“ミレニアム記念”2000年春の研究集会  2000.7  堆積学研究会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：東京都立大学  

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  • 前孤海盆に発達した海底谷充填物の堆積の特徴：新第三系宮崎層群宮崎層の例から

    高清水康博

    日本地質学会第106回学術大会  1999.10  日本地質学会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：名古屋大学  

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  • 宮崎層群‘宮崎相’における海底谷充填物の発達

    高清水康博

    日本地質学会第105会学術大会  1998.9  日本地質学会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：信州大学  

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  • Sedimentary Structures of Earthquake-induced Tsunami Layers in the Upper Pleistocene Incised Valley System, Shizuoka, Japan International conference

    Yasuhiro Takashimizu, Fujio Masuda

    15th International Sedimentological Congress  1998.4  International Association of Sedimentologists

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    Presentation type：Oral presentation (general)  

    Venue：Alicante University, Spain  

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  • 中新-更新統宮崎層群に見られるチャネル‐レヴィーの堆積相

    高清水康博

    堆積学研究会1997年秋季研究集会  1997.11  堆積学研究会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：静岡大学  

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  • 静岡県牧ノ原台地の上部更新統の堆積相と砂層の粒度組成と鉱物組成

    高清水康博, 増田富士雄

    日本地質学会第104回学術大会  1997.10  日本地質学会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：九州大学六本松キャンパス  

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  • 静岡県牧の原台地の上部更新統の砂層の粒度組成

    高清水康博, 増田富士雄

    堆積学研究会1996年秋季研究集会  1996.10  堆積学研究会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：京都教育大学  

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  • 静岡県牧ノ原台地の上部更新統の堆積相と堆積シークェンス

    高清水康博, 増田富士雄

    堆積学研究会1995年秋季研究集会  1995.11  堆積学研究会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：信州大学  

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Awards

  • 令和３年度新潟大学優秀論文表彰

    2022.1   新潟大学  

    髙清水康博

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  • The PEPS Most Accessed Paper Awards 2018

    2018.4   Progress in Earth and Planetary Science   New parameter of roundness R: Circularity corrected by aspect ratio

    TAKASHIMIZU Yasuhiro, IIYOSHI Maiko

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Research Projects

  • 沿岸低地の微地形による津波挙動・土砂移動への影響解明

    2021.6 - 2022.3

    System name：2021 年度東北大学災害科学国際研究所リソースを活用した共同研究助成

    Awarding organization：東北大学災害科学国際研究所

    髙清水康博, 菅原大助, 卜部厚志, 石澤尭史ほか

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    Authorship：Principal investigator 

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  • 自然情報と防災を包括した教員養成地学分野の防災教育プロセス構築

    Grant number：21K02458

    2021.4 - 2024.3

    System name：科学研究費助成事業 基盤研究(C)

    Research category：基盤研究(C)

    Awarding organization：日本学術振興会

    藤林 紀枝, 高清水 康博

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    Authorship：Coinvestigator(s) 

    Grant amount：\3900000 （ Direct Cost: \3000000 、 Indirect Cost：\900000 ）

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  • 沿岸低地の微地形による津波挙動・土砂移動への影響の解明

    2020.6 - 2021.3

    System name：2020年度 東北大学災害科学国際研究所 リソースを活用した共同研究助成

    Awarding organization：東北大学災害科学国際研究所

    髙清水康博, 菅原大助, 卜部厚志, 石澤尭史ほか

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    Authorship：Principal investigator 

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  • 巨大地震津波は北海道西部太平洋岸を繰り返し襲うか？

    Grant number：19K03986

    2019.4 - 2022.3

    System name：科学研究費助成事業 基盤研究(C)

    Research category：基盤研究(C)

    Awarding organization：日本学術振興会

    高清水 康博, 西村 裕一, 卜部 厚志

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    Authorship：Principal investigator 

    Grant amount：\4420000 （ Direct Cost: \3400000 、 Indirect Cost：\1020000 ）

    令和元年度は，苫小牧市勇払の低地において野外調査を実施した．この地域ではこれまでに17世紀前半の古津波が知られている（髙清水ほか，2007，2012）．
    本研究ではそれ以前の古津波履歴の解明を目指してより２地域において古い時代の地層の調査を実施した．苫小牧地域では最大深度5.40 mの掘削を実施した．その結果，約3000年以前と考えられる深度1.5 m層準以深の古環境はラグーン環境であった．明瞭なイベント堆積物は把握されなかった．鵡川地域では最大深度3.6 mの掘削を実施した．その結果，深度2.95mまで泥炭層を確認することができた．深度2.95mの泥炭の放射性炭素年代は約4650－4855 cal yBPであり，この泥炭層中の上位層中の明瞭な津波イベント候補は17世紀津波堆積物以外には確認されなかった．
    また，苫小牧地域において17世紀津波堆積物の性状把握のために海岸から1.5 kmの範囲までの調査測線を設定し，試料採取を行った．調査地点数は26地点である．各地点においてコアラーおよびハンディジオスライサーによって試料採取を行い，現地において地層の特徴を記載した．その結果，内陸薄層化，内陸細粒化の傾向を把握した．また，沿岸低地の津波堆積物に特徴的な侵食的な基底面形状，侵食同時礫の存在，および級化ユニット等を確認した．
    これまでに一般的に行われている堆積物の性状把握の手法をさらに高度化するために，本研究では医療用CTを用いた地層の3次元形態の把握やハンスフィールド単位（HU値）による定量的な津波堆積物の特徴把握の試みを進めた．そのために，今年度は地層のCT撮影に最適化した撮影条件を決めた．その結果，0.6 mmスライスの高詳細なCT画像を恵らることが分かった．

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  • The reconstruction of formational process of coastal plains and sea level change of Toyama Bay area

    Grant number：19K03987

    2019.4 - 2022.3

    System name：Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)

    Research category：Grant-in-Aid for Scientific Research (C)

    Awarding organization：Japan Society for the Promotion of Science

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    Authorship：Coinvestigator(s) 

    Grant amount：\4290000 （ Direct Cost: \3300000 、 Indirect Cost：\990000 ）

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  • リアス式海岸や海成段丘から津波堆積物を認定する手法の構築

    2016.4 - 2019.3

    髙清水 康博

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    Authorship：Principal investigator  Grant type：Competitive

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  • Science and Disaster Teaching contents of ancient submarine volcano

    Grant number：15K00969

    2015.4 - 2018.3

    System name：Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)

    Research category：Grant-in-Aid for Scientific Research (C)

    Awarding organization：Japan Society for the Promotion of Science

    Fujibayashi Norie

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    Authorship：Coinvestigator(s) 

    Grant amount：\4680000 （ Direct Cost: \3600000 、 Indirect Cost：\1080000 ）

    Geological study of the Miocene submarine volcano exposed at the Ogi Peninsula, Sado island, Japan, has revealed the emplacement of jumbled sheet flows and pillow lava flows on a flank of flat submarine volcano, and enabled reconstruction of the volcanic activities. The lava flows resemble those formed at the Mid-Ocean Ridges. Teaching contents about this ancient submarine volcano were provided. The contents of disaster science were also suggested from the study of Tsunami deposits at the eastern margin of Japan Sea and from that of the volcanic mudflow (lahar) and slump deposits underwater environments.

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  • 砂丘を越えて沿岸低地を遡上する巨大津波からの堆積モデル構築

    2012.4 - 2014.3

    高清水康博

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    Grant type：Competitive

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Teaching Experience

  • 表層物質堆積論

    2021
    Institution name：新潟大学

  • 地殻科学実習

    2021
    Institution name：新潟大学

  • 地層学セミナー

    2017
    Institution name：新潟大学

  • 地学セミナー

    2016
    Institution name：新潟大学

  • 地層学

    2016
    Institution name：新潟大学

  • 基礎地学Ⅱ

    2015
    Institution name：新潟大学

  • スタディ・スキルズI

    2013
    Institution name：新潟大学

  • 地学課題研究IV

    2013
    -
    2015
    Institution name：新潟大学

  • 地学課題研究II

    2013
    -
    2014
    Institution name：新潟大学

  • ダイナミック層序学

    2011
    Institution name：新潟大学

  • 表層物質堆積論

    2011
    -
    2016
    Institution name：新潟大学

  • 生活地圏環境形成論

    2010
    -
    2014
    Institution name：新潟大学

  • 岩石学Ⅰ

    2010
    Institution name：新潟大学

  • 総合演習

    2010
    Institution name：新潟大学

  • 地学基礎実習

    2009
    Institution name：新潟大学

  • 卒業研究

    2009
    Institution name：新潟大学

  • 地域地質実習

    2009
    Institution name：新潟大学

  • 地学演習A

    2009
    Institution name：新潟大学

  • 地殻科学実習

    2009
    -
    2018
    Institution name：新潟大学

  • 地質学演習I

    2009
    -
    2017
    Institution name：新潟大学

  • 生活地圏環境セミナーB

    2009
    -
    2015
    Institution name：新潟大学

  • 生活地圏環境セミナーA

    2009
    -
    2015
    Institution name：新潟大学

  • 地学課題研究I

    2009
    -
    2015
    Institution name：新潟大学

  • 地質学特論

    2009
    -
    2015
    Institution name：新潟大学

  • 生活圏地形地質環境論

    2009
    -
    2015
    Institution name：新潟大学

  • 地学課題研究III

    2009
    -
    2014
    Institution name：新潟大学

  • 地質学演習II

    2009
    -
    2014
    Institution name：新潟大学

  • 生活環境地学実験

    2009
    -
    2013
    Institution name：新潟大学

  • 理科教育法(中等)IV

    2009
    -
    2012
    Institution name：新潟大学

  • 地球科学概論

    2009
    Institution name：新潟大学

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