Rchr
J-GLOBAL ID:201001003468391064
Update date: Jan. 10, 2025 UJIIE Kohtaro
ウジイエ コウタロウ | UJIIE Kohtaro
Affiliation and department: Job title:
Professor
Homepage URL (1): https://www.geol.tsukuba.ac.jp/~ujiie/ Research field (1):
Solid earth science
Research keywords (7):
deep ocean drilling
, frictional property
, earthquake faulting
, fault
, subduction zone
, accretionary prism
, slow earthquakes
Research theme for competitive and other funds (10): - 2020 - 2023 Metamorphic rocks in Corsica Island: Key to understanding megathrust slip in cold subduction zones
- 2020 - 2022 琉球石灰岩における断層摩擦発熱の検出と活断層地震性すべり評価
- 2016 - 2020 スロー地震の地質学的描像と摩擦・水理特性の解明
- 2014 - 2017 日本海溝掘削(JTRACK)実現に向けたプロポーザル作成と事前研究
- 2014 - 2017 Detection of frictional heating on faults using Raman spectra of carbonaceous material
- 2011 - 2014 Costa Rica Seismogenesis Project
- 2009 - 2013 Materials and slip processes of seismogenic faults
- 2009 - 2011 Effects of dehydration of clay minerals on seismic slip
- 2005 - 2007 Frictional melting processes during subduction zone earthquakes : Inference from pseudotachylytes and high-velocity shear experiments
- 2003 - 2004 氏家恒太郎
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Papers (118): -
Frank, Madison, Ujiie, Kohtaro, Motohashi, Ginta, Nagaya, Takayoshi. Deformation mechanisms and fluid conditions of mélange shear zones associated with seamount subduction. Progress in Earth and Planetary Science. 2024. 11. 1
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Caroli, Sara De, Fagereng, Åke, Ujiie, Kohtaro, Blenkinsop, Thomas, Meneghini, Francesca, Muir, Duncan. Deformation microstructures of low- and high-strain epidote-blueschist (Ryukyu arc, Japan): Implications for subduction interface rheology. JOURNAL OF STRUCTURAL GEOLOGY. 2024. 180
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Ujiie, Kohtaro, Nishiyama, Naoki, Yamamoto, Hisaki, Yamashita, Minoru, Nagaya, Takayoshi, Sano, Takashi, Kouketsu, Yui. Duplex Underplating, Sediment Dehydration and Quartz Vein Mineralization in the Deep Tremor Source Region. Journal of Geophysical Research B: Solid Earth. 2024. 129. 2
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Masumoto, Hirokazu, Kameda, Jun, Hamada, Yohei, Ujiie, Kohtaro, Kitamura, Yujin. Lowering of the kinetic barrier of clay-mineral reactions along a seismogenic fault: Example from the Nankai subduction zone, Japan. TECTONOPHYSICS. 2023. 868
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Naoki, Nishiyama, Ujiie, Kohtaro, Kazuya, Noro, Yasushi, Mori, Haruna, Masuyama. Megathrust slip enhanced by metasomatic actinolite in the source region of deep slow slip. LITHOS. 2023. 446
more... Books (6): - ANNUAL REVIEW OF EARTH AND PLANETARY SCIENCES, VOL 48, 2020
ANNUAL REVIEWS 2020 ISBN:9780824320485
- 地球科学の事典
朝倉書店 2018 ISBN:9784254160727
- 海洋底科学の基礎
共立出版 2016 ISBN:9784320047297
- 日本の地質構造100選
朝倉書店 2012
- 朝倉書店
2012
more... Lectures and oral presentations (214): -
地震発生プロセス・発生メカニズム解明に向けた地質学会の活動と貢献
(防災学術連携体シンポジウム 阪神・淡路大震災30年、社会と科学の新たな関係)
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Deformation mechanisms and rheology of chlorite-actinolite schist: Implications for slow slip near the mantle-wedge corner
(Japan Geoscience Union Meeting 2024)
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The role of ductile fractures in continental crustal faults from micro to macro scale
(Japan Geoscience Union Meeting 2024)
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Geochemical evidence for fluid-rock interactions around the thermally controlled base of the subduction seismogenic zone
(Japan Geoscience Union Meeting 2024)
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Geological and experimental investigations of slow slip in the Japan Trench subduction zone
(Japan Geoscience Union Meeting 2024)
more... Education (3): - 1995 - 1998 Department of Earth and Planetary Sciences Kyushu University
- 1993 - 1995 Department of Earth and Planetary Sciences Kyushu University
- 1989 - 1993 Institute of Earth Science Faculty of Science Kagoshima University
Professional career (1): - Science (Kyushu University)
Work history (14): - 2024/04 - 現在 University of Tsukuba Faculty of Life and Environmental Sciences Professor
- 2010/06 - 2024/03 University of Tsukuba Graduate School of Life and Environmental Sciences Associate Professor
- 2014/04 - 2019/03 Japan Agency for Marine-Earth Science and Technology Research and Development Center for Ocean Drilling Science Visiting Senior Scientist
- 2017/10 - 2017/11 新潟大学理学部 非常勤講師
- 2014/09 - 2014/09 静岡大学大学院理学研究科 非常勤講師
- 2011/04 - 2014/03 Japan Agency for Marine-Earth Science and Technology
- 2014/02 - 2014/02 東北大学大学院理学研究科 非常勤講師
- 2010/04 - 2010/05 JAMSTEC Institute for Research on Earth Evolution Senior Scientist
- 2009/04 - 2010/03 JAMSTEC Institute for Research on Earth Evolution Scientist
- 2008/05 - 2009/03 University of California, San Diego Scripps Institution of Oceanography Visiting Scholar
- 2004/07 - 2008/04 JAMSTEC Institute for Research on Earth Evolution Scientist
- 2004/04 - 2004/07 JAMSTEC Institute for Frontier Research on Earth Evolution Scientist
- 2001/09 - 2004/03 JAMSTEC Institute for Frontier Research on Earth Evolution Scientist
- 1998/11 - 2001/08 JSPS Research Fellow
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Committee career (5): - 2012/03 - 現在 日本地質学会 日本地質学会行事委員
- 2020/05 - 2026/05 日本地球掘削科学コンソーシアム 理事
- 2012/04 - 2016/03 日本地質学会 日本地質学会行事委員
- 2011/01 - 2012/05 文部科学省 深海掘削検討会
- 2011/03 - 2012/02 日本地球惑星科学連合 日本地球惑星科学連合大会運営委員
Awards (3): - 2017/02 - University of Tsukuba University of Tsukuba 2016 BEST FACULTY MEMBER
- 2016/05 - Japan Geoscience Union The Progress in Earth and Planetary Science Most Accessed Paper Awards 2016 Most accessed papers published in 2014-2015
- 2015/06 - 一般社団法人 日本地質学会 日本地質学会小藤文次郎賞 重要な発見・独創的な発想を含む論文の公表
Association Membership(s) (3):
JAPAN GEOSCIENCE UNION
, American Geophysical Union
, THE GEOLOGICAL SOCIETY OF JAPAN
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