Ohtomo Yoko

Affiliation and department：
Job title： Associate Professor

Research field (3)： Biogeoscience , Solid earth science , Ecology and environmental science

Research keywords (7)： Serpentinization , Chromian spinel , Acid mine drainage , Early Earth , Archaean , Iron Formation , Origin of life

Research theme for competitive and other funds (11)：

2024 - 2028 科学掘削コア試料を用いた32億年前の金属元素循環と酸化還元環境の解明
2024 - 2027 休廃止鉱山環境を活用した岩石風化促進による二酸化炭素の鉱物固定
2024 - 2026 モンゴルのリチウム鉱石を対象とした次世代型鉱山開発モデルの提案
2020 - 2024 Understanding biosphere-hydrosphere-atmosphere-lithosphere interactions 3.2 billion years ago with an international continental drilling program
2019 - 2022 32億年前に縞状鉄鉱層を形成した微生物生態系の解明

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Papers (22)：

Hiromasa Nozaki, Natsuo Okada, Brian Bino Sinaice, Yoko Otomo, Youhei Kawamura. Development of Wide-Area Mineral Identification System Using Multispectral Camera Mounted on Drone for Beach Placer Deposits. Proceedings of the Second International Conference on Resources and Technology (RESAT 2023). 2023. 214-232
Elsa Pansilvania Andre MANJATE, Yoko OHTOMO, Takahiko ARIMA, Tsuyoshi ADACHI, Bernardo Miguel BENE, Youhei KAWAMURA. Applying nonnegative matrix factorization for underground mining method selection based on mining projects' historical data. Int. J. Soc. Mater. Eng. Resour. 2023. 626
Ohtomo, Y, Yang, J, Nishikata, M, Kawamoto, D, Kimura, Y, Otake, T, Sato, T. Low-Temperature Hydrothermal Synthesis of Chromian Spinel from Fe-Cr Hydroxides Using a Flow-Through Reactor. Minerals. 2022. 12. 1110. 1110-1110
Sereyroith Tum, Kanako Toda, Tatsuya Matsui, Ryosuke Kikuchi, Sitha Kong, Panha Meas, Unsovath Ear, Yoko Ohtomo, Tsubasa Otake, Tsutomu Sato. Seasonal effects of natural attenuation on drainage contamination from artisanal gold mining, Cambodia: Implication for passive treatment. Science of The Total Environment. 2022. 806. 150398-150398
大竹翼, 大友陽子. 地球表層環境における鉄の濃集と鉄鉱床の形成. 資源地質. 2021. 71. 2. 57-73

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MISC (4)：

Books (5)：

Lectures and oral presentations (42)：

Fe-silicate and -carbonate formations at C-steel-compacted bentonite interface hinders buffer degradation in high-level radioactive waste disposal.
(Water-Rock Interaction WRI-17, Sendai, Miyagi, Japan 2023)
Geochemical signatures recorded by trace element compositions in magnetite in Archean Banded Iron Formations
(Water-Rock Interaction WRI-17, Sendai, Miyagi, Japan 2023)
Mechanism of manganese oxidation and removal from acid mine drainage wastewater
(Water-Rock Interaction WRI-17, Sendai, Miyagi, Japan 2023)
Development of a Different Altitude Spectral Image Registration Protocol Utilizing Digital Twin.
(Water-Rock Interaction WRI-17, Sendai, Miyagi, Japan 2023)
3.2 Ga shallow ocean environment recorded in banded iron formation by chromium concentration, Moodies Group, Barberton Greenstone Belt, South Africa.
(Water-Rock Interaction WRI-17 2023)

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Education (1)：

- 2011 Tohoku University, Japan Division of Earth and Planetary Materials Science, Graduate School of Science,

Professional career (1)：

Work history (6)：

2024/04 - 現在 Hokkaido University Faculty of Engineering Division of Solid Waste, Resources and Geoenvironmental Engineering, Resource Management laboratory Associate Professor
2022/12 - 2024/03 Hokkaido University Resource Management Laboratory, Faculty of Engineering Division of Solid Waste, Resources and Geoenvironmental Engineering Assistant Professor
2022/04 - 2022/11 Hokkaido University Environmental Geology Laboratory, Faculty of Engineering Division of Solid Waste, Resources and Geoenvironmental Engineering
2017/11 - 2022/03 Faculty of engineering, Hokkaido University Division of Sustainable Resources Engineering, Cooperative Program for Resources Engineering Assistant Professor
2015/04 - 2017/10 Faculty of engineering, Hokkaido University Postdoctral fellow (SPD, JSPS)

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Committee career (1)：

Awards (1)：

Association Membership(s) (5)：

資源地質学会 , 一般社団法人資源・素材学会 , American Geophysical Union , THE GEOCHEMICAL SOCIETY OF JAPAN , JAPAN GEOSCIENCE UNION

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