Rchr
J-GLOBAL ID：202001011768548356
Update date: Nov. 08, 2024
Ohashi Masatoshi
オオハシ マサトシ | Ohashi Masatoshi
Affiliation and department：
Job title：
Assistant Professor
Research field (1)：
Solid earth science
Research keywords (6)：
Magma
, Rheology
, Bubble texture
, Vesiculation
, Eruption
, Volcano
Research theme for competitive and other funds (2)：
- 2021 - 2024 マグマに含まれる気泡の合体過程について:実験による理論検証と天然への応用
- 2017 - 2020 軽石の気泡構造に記録されたカルデラ噴火機構を探る:物理実験と地質調査の双方向から
Papers (8)：
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Masatoshi Ohashi, Ben Kennedy, Darren Gravley. Nucleation delay controlling the formation of mafic enclaves and banded pumice. Contributions to Mineralogy and Petrology. 2024. 179. 11
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Masatoshi Ohashi, Takafumi Maruishi, Atsushi Toramaru. Coalescence of growing bubbles in highly viscous liquids. Geochemistry, Geophysics, Geosystems. 2022. 23. 11
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Masatoshi Ohashi, Atsushi Toramaru, Atsuko Namiki. Coalescence of two growing bubbles in a Hele-Shaw cell. Scientific Reports. 2022. 12. 1
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Masatoshi Ohashi, Mie Ichihara, Ben Kennedy, Darren Gravley. Comparison of Bubble Shape Model Results With Textural Analysis: Implications for the Velocity Profile Across a Volcanic Conduit. Journal of Geophysical Research: Solid Earth. 2021. 126. 6
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Masatoshi Ohashi, Mie Ichihara, Fukashi Maeno, Ben Kennedy, Darren Gravley. Quantitative measurement of bubble textures in pumice clasts using a digital stereo microscope with low-angled ring illumination. Earth, Planets and Space. 2020. 72. 1
ｍore...
MISC (3)：
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長谷川 健, 松本 恵子, 橋本 武志, 畑 真紀, 岩橋 くるみ, 無盡 真弓, 村松 弾, 大橋 正俊, 三反畑 修, 嶋野 岳人, et al. IAVCEI(国際火山学地球内部化学協会)2023年大会参加報告(その1):セッションとワークショップの概況. 火山. 2023. 68. 2. 105-113
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Atsushi TORAMARU, Hiroe OGAWA, Masatoshi OHASHI, Takayuki MASUYAMA. Bread and Pumice. JAPANESE JOURNAL OF MULTIPHASE FLOW. 2020. 34. 3. 403-410
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石毛 康介, 安田 裕紀, 志水 宏行, 富島 千晴, 大橋 正俊, 関根 大輔. 第6回陥没カルデラワークショップ報告. 火山. 2017. 62. 1. 37-42
Lectures and oral presentations (23)：
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Textural implications for the magma mixing during the Waimihia eruption, Taupo
(Geoscience Society of New Zealand Annual Conference 2023)
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Mechanisms of bubble coalescence during decompression
(IAVCEI Scientific Assembly 2023)
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Experimental study on the coalescence of two growing bubbles in three-dimensional space
(Japan Geoscience Union Meeting 2022)
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Experimental study on drainage process of liquid film between bubbles during bubble growth
(Japan Geoscience Union Meeting 2021)
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Textural study of the 7.3 ka caldera-forming eruption of Kikai Caldera: Correlating bulk density to bubble-size observations
(Japan Geoscience Union Meeting 2021)
ｍore...
Education (2)：
- 2017 - 2020 The University of Tokyo Graduate School of Science Department of Earth and Planetary Science
- 2015 - 2017 The University of Tokyo Graduate School of Science Department of Earth and Planetary Science
Professional career (1)：
Work history (4)：
- 2022/01 - 現在 Kyushu University Faculty of Sciences, Department of Earth and Planetary Sciences Assistant Professor
- 2022/11 - 2024/10 University of Canterbury School of Earth and Environment Visiting Academic
- 2021/04 - 2021/12 The University of Tokyo Earthquake Research Institute Volcano Research Center Postdoctoral Researcher
- 2020/04 - 2021/03 Kyushu University Graduate School of Sciences Department of Earth and Planetary Sciences Postdoctoral Researcher
Awards (1)：
Association Membership(s) (3)：
日本火山学会
, 日本地球惑星科学連合
, EGU
