Yoko Ohtomo

Profile Information

Affiliation: Associate Professor, Faculty of Engineering Division of Solid Waste, Resources and Geoenvironmental Engineering, Hokkaido University

Degree: Ph.D.(Jun, 2013, Tohoku University. Japan)

Researcher number: 80612902
J-GLOBAL ID: 201301058051492411
researchmap Member ID: B000234615

Research Interests

Research Areas

Research History

Apr, 2024 - Present

Associate Professor, Faculty of Engineering Division of Solid Waste, Resources and Geoenvironmental Engineering, Resource Management laboratory, Hokkaido University
Dec, 2022 - Mar, 2024

Assistant Professor, Resource Management Laboratory, Faculty of Engineering Division of Solid Waste, Resources and Geoenvironmental Engineering, Hokkaido University
Apr, 2022 - Nov, 2022

(Invited faculty), Environmental Geology Laboratory, Faculty of Engineering Division of Solid Waste, Resources and Geoenvironmental Engineering, Hokkaido University
Nov, 2017 - Mar, 2022

Assistant Professor, Division of Sustainable Resources Engineering, Cooperative Program for Resources Engineering, Faculty of engineering, Hokkaido University
Apr, 2015 - Oct, 2017

Postdoctral fellow (SPD, JSPS), Faculty of engineering, Hokkaido University
Apr, 2011 - Mar, 2015

Post-doctoral researcher, Kochi Institute for Core Sample Research, JAMSTEC

Education

- Mar, 2011

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

Committee Memberships

Oct, 2018 - Present

幹事, 資源・素材学会北海道支部

Awards

May, 2016

第27回山下太郎学術研究奨励賞, 約38億年前初期太古代岩石中に残された最古の生命の痕跡の発見, 一般財団法人山下太郎顕彰育英会

大友陽子

Papers

Development of Wide-Area Mineral Identification System Using Multispectral Camera Mounted on Drone for Beach Placer Deposits

Hiromasa Nozaki, Natsuo Okada, Brian Bino Sinaice, Yoko Otomo, Youhei Kawamura

Proceedings of the Second International Conference on Resources and Technology (RESAT 2023), 214-232, Dec 29, 2023 Peer-reviewed
Applying nonnegative matrix factorization for underground mining method selection based on mining projects' historical data.

Elsa Pansilvania Andre MANJATE, Yoko OHTOMO, Takahiko ARIMA, Tsuyoshi ADACHI, Bernardo Miguel BENE, Youhei KAWAMURA

Int. J. Soc. Mater. Eng. Resour., 626, Oct, 2023 Peer-reviewed
Low-Temperature Hydrothermal Synthesis of Chromian Spinel from Fe-Cr Hydroxides Using a Flow-Through Reactor

Ohtomo, Y, Yang, J, Nishikata, M, Kawamoto, D, Kimura, Y, Otake, T, Sato, T

Minerals, 12(1110) 1110-1110, Aug, 2022 Peer-reviewedLead author
Seasonal effects of natural attenuation on drainage contamination from artisanal gold mining, Cambodia: Implication for passive treatment

Sereyroith Tum, Kanako Toda, Tatsuya Matsui, Ryosuke Kikuchi, Sitha Kong, Panha Meas, Unsovath Ear, Yoko Ohtomo, Tsubasa Otake, Tsutomu Sato

Science of The Total Environment, 806 150398-150398, Feb, 2022 Peer-reviewed
地球表層環境における鉄の濃集と鉄鉱床の形成

大竹翼, 大友陽子

資源地質, 71(2) 57-73, 2021 Peer-reviewed
Magmatic-Hydrothermal Processes Associated with Rare Earth Element Enrichment in the Kangankunde Carbonatite Complex, Malawi

Frances Chikanda, Tsubasa Otake, Yoko Ohtomo, Akane Ito, Takaomi D. Yokoyama, Tsutomu Sato

Minerals, 9(7) 442-442, Jul 18, 2019 Peer-reviewed
Deep-biosphere methane production stimulated by geofluids in the Nankai accretionary complex.

Akira Ijiri, Fumio Inagaki, Yusuke Kubo, Rishi R Adhikari, Shohei Hattori, Tatsuhiko Hoshino, Hiroyuki Imachi, Shinsuke Kawagucci, Yuki Morono, Yoko Ohtomo …

Science advances, 4(6) eaao4631, Jun, 2018 Peer-reviewed
Data report: water activity of the deep coal-bearing basin off Shimokita from IODP Expedition 337

Tanikawa, W, Ohtomo, Y, Snyder, G, Morono, Y, Kubo, Y, Iijima, Y, Noguchi, T, Hinrichs, K.-U, Inagaki, F

Proceedings of the Integrated Ocean Drilling Program, 337, 2018 Peer-reviewed
Microscopic observations of chromian spinel synthesized in a low temperature hydrothermal environment

Nishikata Miu, Ohtomo Yoko, Otake Tsubasa, Kimura Yuki, Kawamoto Daisuke, Sato Tsutomu

Abstracts of Annual Meeting of the Geochemical Society of Japan, 64 310-310, 2017
Microstructure and geochemistry of organic matters in banded iron formations, Moodies Group, Barberton Green stone Belt, South Africa

Nakajima Ryo, Ohtomo Yoko, Otake Tsubasa, Kakegawa Takeshi, Sato Tsutomu

Abstracts of Annual Meeting of the Geochemical Society of Japan, 64 308-308, 2017
Micro to nanoscale observations of carbonaceous matters in Archaean sedimentary rocks : Examples of > 3.7 Ga Isua Supracrustal Belt and 3.2 Ga banded iron formations, Moodies Group, Barberton Greensto

Ohtomo Yoko, Nakajima Ryo, Otake Tsubasa, Kakegawa Takeshi

Abstracts of Annual Meeting of the Geochemical Society of Japan, 64 166-166, 2017
Occurrence of Tourmaline in Metasedimentary Rocks of the Isua Supracrustal Belt, Greenland: Implications for Ribose Stabilization in Hadean Marine Sediments

Shinpei Mishima, Yoko Ohtomo, Takeshi Kakegawa

ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES, 46(2-3) 247-271, Jun, 2016 Peer-reviewed
Recent progress in understanding of early earth biosphere

Ohtomo Yoko

Chikyukagaku, 50(3) 177-186, 2016 Peer-reviewed
CO2 emission and shallow-type methane hydrate decomposition experiment on deep-sea floor

Yoko Ohtomo, Akira Ijiri, Yuki Morono, Yojiro Ikegawa, Hiroshi Suenaga, David Case, Hideaki Machiyama, Fujio Yamamoto, Shusaku Goto, Tatsuhiro Fukuba …

JAMSTEC Report of Research and Development, 20 61-71, Mar, 2015 Peer-reviewed
Evidence for biogenic graphite in early Archaean Isua metasedimentary rocks

Yoko Ohtomo, Takeshi Kakegawa, Akizumi Ishida, Toshiro Nagase, Minik T. Rosing

NATURE GEOSCIENCE, 7(1) 25-28, Jan, 2014 Peer-reviewed
Methanogenesis promoted by iron corrosion under deep subsurface condition

Ohtomo Yoko, Ijiri Akira, Inagaki Fumio

Abstracts of Annual Meeting of the Geochemical Society of Japan, 61 41-41, 2014
Biological CO2 conversion to acetate in subsurface coal-sand formation using a high-pressure reactor system

Yoko Ohtomo, Akira Ijiri, Yojiro Ikegawa, Masazumi Tsutsumi, Hiroyuki Imachi, Go-Ichiro Uramoto, Tatsuhiko Hoshino, Yuki Morono, Sanae Sakai, Yumi Saito …

FRONTIERS IN MICROBIOLOGY, 4, Dec, 2013 Peer-reviewed
Increase in acetate concentrations during sediment sample onboard storage: a caution for pore-water geochemical analysis

Ijiri, A, Ohtomo, Y, Morono, Y, Ikehara, M, Inagaki, F

Geochemical Journal, 47(5) 567-571, 2013 Peer-reviewed
Contrast occurrence of banded iron formations in western part of Isua Spracrustal Belt, West Greenland

Y. Ohtomo, T. Kakegawa

GEOCHIMICA ET COSMOCHIMICA ACTA, 72(12) A702-A702, Jul, 2008
Geochemistry and TEM observation of graphite in 3.8 Ga metasedimentary rocks in Isua Supracrustal Belt

Y. Ohtomo, T. Kakegawa

GEOCHIMICA ET COSMOCHIMICA ACTA, 71(15) A735-A735, Aug, 2007

Misc.

CHIME dating of monazite in graphitic schist, Isua Supracrustal Belt, Greenland

Yoko Ohtomo, Takenori Kato

Nagoya University Bulletin of Chronological Research, (1) 63-65, Mar, 2017
水分活性が海底下微生物活動に与える影響-IODP exp.337下北八戸沖堆積盆地掘削コア試料を用いた考察-

谷川亘, 大友陽子, 諸野祐樹, SNYDER Glen, 久保雄介, 飯島慈裕, KAI-UWE Hinrichs, 稲垣史生

日本地球惑星科学連合大会予稿集(Web), 2016, 2016
CCS現場条件を再現するリアクターシステムの開発及びシステムを利用したCO₂資源化菌の培養実験

大友陽子, 井尻暁, 堤正純, 井町寛之, 浦本豪一郎, 星野辰彦, 諸野祐樹, 酒井早苗, 斉藤由美, 谷川亘 …

資源・素材学会北海道支部春季講演会講演要旨集, 2015, 2015
西グリーンランド・イスア表成岩帯におけるグラファイトの成因と生命の痕跡

大友陽子, 掛川武, 石田章純

日本地球化学会年会講演要旨集, 60th, 2013

Books and Other Publications

生命起源の事典

生命の起原および進化学会, 薮田ひかる, 川村邦男, 赤沼哲史, 木賀大介, 根本直人, 古川善博, 横堀伸一 (Role: Contributor, 第2章生き物の仕組みと変遷［環境と生物］地球太古の生命の痕跡 I：炭素質物質)

朝倉書店, Apr 17, 2024 (ISBN: 9784254160789)
地球生命誕生の謎カラー図解アストロバイオロジー

M・ガルゴー, H・マーティン, P, ロペス=ガルシア, T・モンメルル, R・パスカル著, 薮田ひかる監訳 (Role: Supervisor (editorial), 第6章編訳協力)

西村書店, Jun, 2021
季刊資源と素材 2021 [春号] Vol.6（2021）No.2

Apr, 2021
理系女子のライフプランあんな生き方・こんな生き方研究・結婚・出産みんなどうしてる?

丸山美帆子, 長濱裕美, 大隅典子 (Role: Contributor, 体験談及びコラム)

Jul, 2018
環境と微生物の事典

大友陽子 (Role: Contributor, コラム「世界最古の微生物化石」)

朝倉書店, Jul, 2014

Presentations

Fe-silicate and -carbonate formations at C-steel-compacted bentonite interface hinders buffer degradation in high-level radioactive waste disposal.

Kikuchi, R, Fujimura, T, Sato, T, Otake, T, Ohtomo, Y, Goto, T, Suzuki, S, Taniguchi, N, Suzuki, H

Water-Rock Interaction WRI-17, Sendai, Miyagi, Japan, Aug, 2023
Geochemical signatures recorded by trace element compositions in magnetite in Archean Banded Iron Formations

Matsukawa, H, Otake, T, Ohtomo, Y, Kon, Y, Sato, T, Kakegawa, T

Water-Rock Interaction WRI-17, Sendai, Miyagi, Japan, Aug, 2023
Mechanism of manganese oxidation and removal from acid mine drainage wastewater

Godirilwe, G. J, Otake, T, Tomiyama, S, Chikanda, F, Ohtomo, Y, Sato, T

Water-Rock Interaction WRI-17, Sendai, Miyagi, Japan, Aug, 2023
Development of a Different Altitude Spectral Image Registration Protocol Utilizing Digital Twin.

Okada, N, Toriya, H, Arima, T, Ohtomo, Y, Shigemi, T, Rasoanindriana, A, Nozaki, H, Nakamura, S, Kawamura, Y

Water-Rock Interaction WRI-17, Sendai, Miyagi, Japan, Aug, 2023
3.2 Ga shallow ocean environment recorded in banded iron formation by chromium concentration, Moodies Group, Barberton Greenstone Belt, South Africa.

Ohtomo, Y, Matsukawa, H, Nagashima, Y, Otake, T, Kakegawa, T, Sato, T

Water-Rock Interaction WRI-17, Aug, 2023
Fe and Mg isotope fractionations in ferruginous sedimentary rocks from the ~3.2 Ga Moodies Group, Barberton Greenstone Belt, South Africa.

Otake, T, Sugiura, R, Shin, K, Ohtomo, Y, Kakegawa, T, Sato, T

Goldschmidt Conference, Lyon, France, Jul 13, 2023
Transparent carbon films containing graphene in 3.2 Ga sedimentary rocks in the Moodies group, Barberton Greenstone Belt, South Africa.

Ohtomo, Y, Otake, T, Kakegawa, T, Sato, T

Goldschmidt Conference, Lyon, France, Jul 10, 2023
低温蛇紋岩化反応における水素生成再現のための地球化学モデリング

菅原あすか, 東野駿太, 大竹翼, 大友陽子, 佐藤努

日本地球化学会第69会年会
Iron precipitation and associated microbial activities in Ainai and Shojin river mine drainages, Japan

Yoko Ohtomo, Tatsuya Matsui, Frances Chikanda, Sereyroith Tum, Tsubasa Otake, Tsutomu Sato

Goldschmidt Conference, 2022, Hawaii
南アフリカ・ムーディーズ層群中の縞状鉄鉱層に産する磁鉄鉱の微量元素組成

松川春樹, 大友陽子, 大竹翼, 昆慶明, 佐藤努, 掛川武

資源地質学会第71回年会学術講演会, Jun 30, 2022
Iron precipitation and associated microbial activities in acid mine drainages of Ainai and Shojin river mine

Yoko Ohtomo, Tatsuya Matsui, Frances Chikanda, Sereyroith Tum, Tsubasa Otake, Tsutomu Sato

Jun 2, 2022
Geochemical behavior of Fe and Mg in the Moodies Banded Iron Formations, Barberton Greenstone Belt, South Africa

Ryohei Sugiura, Tsubasa Otake, Yoko Ohtomo, Tsutomu Sato, Ki-Cheol Shin

Jun 2, 2022
相内鉱山及び精進川鉱山坑廃水路における微生物叢と鉄沈殿物形成

大友陽子, 松居達也, Frances Chikanda, Sereyroith Tum, 大竹翼, 佐藤努

Webシンポジウム「休廃止鉱山のグリーン・レメディエーションに関わる研究の最前線」, Mar 1, 2022 Invited
Microbial communities and Iron-bearing precipitates in the passive treatment sites of Ainai and Shojingawa mines

資源・素材2021, Sep 14, 2021
Geochemical modeling of a natural remediation of an acid mine drainage from an abandoned mine in northern Japan.

S. Tum, F. Chikanda, T. Matsui, Y. Ohtomo, T. Otake, R. Kikuchi, S. Norota, T. Sato

Goldschmidt 2021 (online), Jul 7, 2021
Fe isotope signatures for oxidative precipitation of ferrous iron in ~3.2 Ga shallow ocean from the Moodies Group, Barberton Greenstone Belt, South Africa.

R. Sugiura, T. Otake, Y. Ohtomo, T. Sato, T. Kakegawa

Goldschmidt 2021 (online), Jul 7, 2021
Geochemical characterization of rivers contaminated by acid mine drainage from an abandoned mine in northern Japan.

S.Tum, T. Matsui, F. Chikanda, R. Kikuchi, Y. Ohtomo, T. Otake, S. Norota, T. Sato

Jun 3, 2021
32億年前に形成した縞状鉄鉱層中の鉄同位体比に記録された太古代浅海域における鉄の酸化沈殿プロセス.

杉浦遼平, 大竹翼, 山内大蔵, 大友陽子, 佐藤努

第10回同位体環境学シンポジウム, Dec 18, 2020
A Process Model of Natural Attenuation of Heavy Metals in a Stream Contaminated by Acid Mine Drainage from Artisanal Gold Mining in Cambodia.

S. Tum, T. Sato, T. Matsui, S. Kong, Y. Ohtomo, R. Kikuchi, T. Otake

JpGU-AGU Joint Meeting 2020
Depositional setting and biological activity highlighted by Cr concentration, 3.2Ga Moodies Group, Barberton Greenstone Belt.

Ohtomo, Y., Yamauchi, D., Otake, T. and Sato, T.

Teaching Experience

Apr, 2023 - Mar, 2024

環境化学
Apr, 2019 - Aug, 2019

資源循環デザイン (北海道大学工学部資源循環システムコース)
国際人材交流セミナー (北海道大学大学院工学院共同資源工学専攻)
海外インターンシップ (北海道大学工学部資源循環システムコース, 大学院工学院資源循環システム部門)
「地球科学」地球の調べ方I (北海道大学工学部)

Professional Memberships

Jan, 2023 - Present

資源地質学会
Oct, 2018 - Present

一般社団法人資源・素材学会
2011 - Present

American Geophysical Union
THE GEOCHEMICAL SOCIETY OF JAPAN
JAPAN GEOSCIENCE UNION

Research Projects

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

科学研究費補助金, 基盤研究 (A), 日本学術振興会, Apr, 2024 - Mar, 2028

大竹翼, 大友陽子, 石田章純, 昆慶明, 田近英一
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

科学研究費補助金, 基盤研究 (B), 日本学術振興会, Apr, 2024 - Mar, 2027

大友陽子, 長嶋剣
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

科学研究費補助金, 二国間交流事業オープンパートナーシップ共同研究, 日本学術振興会, Apr, 2024 - Mar, 2026
Understanding biosphere-hydrosphere-atmosphere-lithosphere interactions 3.2 billion years ago with an international continental drilling program

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2020 - Mar, 2024
32億年前に縞状鉄鉱層を形成した微生物生態系の解明

科学研究費若手研究, 日本学術振興会, Apr, 2019 - Mar, 2022

大友陽子
秋田県相内鉱山坑廃水のパッシブトリートメントにおける微生物学的プロセスの理解

試験研究助成金, 日本鉱業振興会, Apr, 2019 - Mar, 2021

大友陽子
革新的バイオマーカー分析を柱としたシアノバクテリア・真核生物出現時期の制約

基盤研究 (B), 日本学術振興会, Apr, 2019 - Mar, 2021

杉谷健一郎
一般共同研究

名古屋大学宇宙地球環境研究所, Apr, 2017 - Mar, 2018

大友陽子
約38億年前の地球表層希土類金属元素循環と生命圏の解明

特別研究員研究奨励費, 特別研究員奨励費, 日本学術振興会, Apr, 2015 - Mar, 2018

大友陽子
グリーンランドにおけるグラファイト層の総合研究:38億年前の生物活動と生息環境

科学研究費助成事業, 特別研究員奨励費, 日本学術振興会, 2006 - 2008

大友陽子
一般共同研究

名古屋大学宇宙地球環境研究所

大友陽子

Media Coverage

Ancient graphene formed 3 billion years before humans discovered it

New Scientist, New Scientist, https://www.newscientist.com/article/2382891-ancient-graphene-formed-3-billion-years-before-humans-discovered-it/, Jul, 2023 Internet
第27回山下太郎学術研究奨励賞受賞.

秋田魁新報, May, 2016
世界最古の生命跡発見・東北大などグリーンランドで

読売新聞, Dec, 2013
38億年前地球最古の生命

河北新報, Dec, 2013
38億年前の生物、グリーンランドで痕跡東北大など

日本経済新聞電子版, Dec, 2013

Profile Information

Research Interests

Research Areas

Research History

Education

Committee Memberships

Awards

Papers

Misc.

Books and Other Publications

Presentations

Teaching Experience

Professional Memberships

Research Projects

Media Coverage

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Coauthors