Takeshi Ohba

Profile Information

Affiliation: 教授, 理学部化学科, 東海大学

Degree: Doctor of Science(Tokyo Institute of Technology)

J-GLOBAL ID: 200901010218210477
researchmap Member ID: 1000275680

External link: http://www.sc.u-tokai.ac.jp/

Research Areas

Natural sciences / Space and planetary science /

Research History

Apr, 2010 - Present

Professor (PhD), School of Science, Tokai University
1998

-:東京工業大学火山流体研究センター助教授
1998

-:
1988

-:東京工業大学草津白根火山観測所助手
1988

-:
Associate Professor,Others, Tokyo Institute of Technology Volcanic Fluid Research Center, Joint-Use Facilities Volcanic Fluid Resarch Center

Education

Committee Memberships

1999 - 1999

編集委員, 日本火山学会

Awards

Mar, 2016

Ordre de la Valeur

Papers

127

Monitoring of magmatic–hydrothermal system by noble gas and carbon isotopic compositions of fumarolic gases

Tomoya Obase, Hirochika Sumino, Kotaro Toyama, Kaori Kawana, Kohei Yamane, Muga Yaguchi, Akihiko Terada, Takeshi Ohba

Scientific Reports, 12(1) 17967-17967, Nov 21, 2022 Peer-reviewed
Major ions, trace elements and stable isotope characteristics of shallow groundwater in the Bonaberi district, Douala, Cameroon

Brice Tchakam Kamtchueng, Aicha Foupouagnigni, Mero Yannah, Josephine Ndjama, Mumbfu Ernestine Mimba, Mengnjo Jude Wirmvem, Muga Yaguchi, Gloria Eneke Takem, Andrew Ako Ako, Wilson Yetoh Fantong …

Sustainable Water Resources Management, 8(5), Oct, 2022 Peer-reviewedLast author
A Depression Containing CO2-Enriched Water at the Bottom of Lake Monoun, Cameroon, and Implications for the 1984 Limnic Eruption

Takeshi Ohba, Yu Oginuma, Kazuto Saiki, Minoru Kusakabe, Issa, Takounjou A. Fouepe, Romaric Ntchantcho, Gregory Tanyileke, Joseph V. Hell

Frontiers in Earth Science, 10, May 25, 2022 Peer-reviewedLead author
Volcanic Ash from the June 17, 1962 Eruption of Yakedake Volcano: Stereomicroscopic, XRD, and Water-Soluble Components Analyses

Muga Yaguchi, Takeshi Ohba, Yasuo Hirayama, Nozomi Numanami

Journal of Disaster Research, 17(2) 257-262, Feb 1, 2022 Peer-reviewed
Quantitative Assessment of Temporal Changes in Subaqueous Hydrothermal Activity in Active Crater Lakes During Unrest Based on a Time-Series of Lake Water Chemistry

Akihiko Terada, Muga Yaguchi, Takeshi Ohba

Frontiers in Earth Science, 9 :740671, Jan 7, 2022 Peer-reviewed
Rainwater Quality in Some Urban and Rural Sites of Cameroon (Central Africa)

Aicha Foupouagnigni, Andrew Ako, Jude Mengnjo, Gloria Eneke, Josephine Ndjama, Bertil Nlend, George Nkeng, Takeshi Ohba

Advances in Science, Technology and Innovation, 391-394, 2022
Spatial distribution of Helium and Carbon isotope ratios in soil gas outside the Yugama crater at Kusatsu-Shirane volcano: The source of the soil gas

K. Wakamatsu,, A. Terada,, H. Sumino,, T. Obase,, M. Yaguchi,, T. Ohba,

PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN, 2022 50-50, 2022
Special issue "Understanding phreatic eruptions - recent observations of Kusatsu-Shirane volcano and equivalents-"

Ogawa, Yasuo, Ohba, Takeshi, Fischer, Tobias P., Yamamoto, Mare, Jolly, Art

Earth, Planets and Space, 74(1), 2022 Peer-reviewed
Groundwater Interacting at Depth With Hot Plastic Magma Triggers Phreatic Eruptions at Yugama Crater Lake of Kusatsu-Shirane Volcano (Japan)

Muga Yaguchi, Takeshi Ohba, Akihiko Terada

Frontiers in Earth Science, 9, Dec 3, 2021 Peer-reviewed
Behavior of magmatic components in fumarolic gases related to the 2018 phreatic eruption at Ebinokogen Ioyama volcano, Kirishima Volcanic Group, Kyushu, Japan

Takeshi Ohba, Muga Yaguchi, Urumu Tsunogai, Masanori Ito, Ryo Shingubara

Earth, Planets and Space, 73(1), Dec, 2021 Peer-reviewedLead author
High–μ signature in lavas of Mt. Oku: Implications for lithospheric and asthenospheric contributions to the magmatism of the Cameroon Volcanic Line (West Africa)

A. N.E. Asaah, T. Yokoyama, H. Iwamori, F. T. Aka, T. Kuritani, T. Usui, J. Tamen, M. Gountié Dedzo, B. Chako-Tchamabé, T. Hasegawa …

Lithos, 400-401, Nov, 2021 Peer-reviewed
Isotopic composition of precipitation and groundwater onshore of the Rio del Rey Basin, southwest Cameroon: local meteoric lines and recharge

Engome R. Wotany, Mengnjo J. Wirmvem, Wilson Y. Fantong, Samuel N. Ayonghe, Mabel N. Wantim, Takeshi Ohba

APPLIED WATER SCIENCE, 11(8), Aug, 2021
Carbon Dioxide in Lake Nyos, Cameroon, Estimated Quantitatively From Sound Speed Measurements

Bertram Boehrer, Kazuto Saiki, Takeshi Ohba, Greg Tanyileke, Dmitri Rouwet, Minoru Kusakabe

Frontiers in Earth Science, 9, Jul 28, 2021 Peer-reviewed
Magnetization of mesenchymal stem cells using magnetic liposomes enhances their retention and immunomodulatory efficacy in mouse inflamed skeletal muscle

Yusuke Kono, Junya Takegaki, Takeshi Ohba, Koji Matsuda, Ryosuke Negoro, Satoshi Fujita, Takuya Fujita

INTERNATIONAL JOURNAL OF PHARMACEUTICS, 596, Mar, 2021
Volcanic Activity Forecast Based on Volcanic Gas Composition of Hakone Volcano, Japan: Utilization for Volcanic Disaster Prevention

Yasushi Daita, Takeshi Ohba, Muga Yaguchi, Takao Sogo, Masatake Harada

JOURNAL OF GEOGRAPHY-CHIGAKU ZASSHI, 130(6) 783-796, 2021
High-precision Δ′¹⁷O measurements of geothermal H₂O and MORB on the VSMOW-SLAP scale: evidence for active oxygen exchange between the lithosphere and hydrosphere

Sambuichi Takashi, Tsunogai Urumu, Kura Kazushige, Nakagawa Fumiko, Ohba Takeshi

GEOCHEMICAL JOURNAL, 55(6) e25-e33, 2021 Peer-reviewed
Petrology and geochemistry of ignimbrites and associated enclaves from Mount Bambouto, West-Cameroon, Cameroon Volcanic Line

Merlin Gountie Dedzo, Djamilatou Diddi Hamadjoda, Eric Martial Fozing, Boris Chako Tchamabe, Ana Teresa Mendoza-Rosas, Asobo Nkengmatia Elvis Asaah, Ghislain Zangmo Tefogoum, Pierre Kamgang, Takeshi Ohba

GEOCHEMISTRY, 80(4), Dec, 2020
Temperature and electrical conductivity of water in Lake Nyos transmitted by an automatic observation buoy

Takeshi Ohba, Seigo Ooki, Yu Oginuma, Hajime Yoshida, Romaric Ntchantcho, Andrew Ako, Robert Tawedi, Mevengue Ayissi, Gregory Tanyileke, Joseph Hell

JOURNAL OF AFRICAN EARTH SCIENCES, 172, Dec, 2020
Geochemical Behavior of REE in Stream Water and Sediments in the Gold-Bearing Lom Basin, Cameroon: Implications for Provenance and Depositional Environment

Mumbfu Ernestine Mimba, Wirmvem MengnjoJude, Salomon Cesar Nguemhe Fils, Nozomi Numanami, Melvin Tamnta Nforba, Takeshi Ohba, FestusTongwa Aka, Cheo Emmanuel Suh

AQUATIC GEOCHEMISTRY, 26(1) 53-70, Mar, 2020
Multi-tracer (delta O-18, delta D, H-3, CFCs and SF6) investigation of groundwater recharge and apparent age at the Bamenda Highlands along the Cameroon volcanic line

Mengnjo Jude Wirmvem, Brice Tchakam Kamtchueng, Engome Regina Wotany, Mumbfu Ernestine Mimba, Wilson Yetoh Fantong, Ako Andrew Ako, Takeshi Ohba

SUSTAINABLE WATER RESOURCES MANAGEMENT, 6(1), Jan, 2020

Misc.

130

Volcanic fluid

Ohba Takeshi

Chikyukagaku, 56(4) 64-75, Dec 25, 2022
火山性流体—Volcanic fluid—特集深部流体地球内部と表層部をつなぐ大規模水循環

大場武

地球化学 = Geochemistry, 56(4) 64-75, 2022
Spatial distribution of Helium isotope ratios in soil gas outside the Yugama crater at Kusatsu-Shirane volcano: An attempt to detect potential fracture zones

若松海, 寺田暁彦, 角野浩史, 小長谷智哉, 谷口無我, 大場武

日本火山学会講演予稿集, 2021, 2021
Temporal variations of helium and carbon isotopic compositions of fumarolic gases at Hakone volcano

小長谷智哉, 角野浩史, 外山浩太郎, 大場武, 谷口無我

日本火山学会講演予稿集, 2021, 2021
Temporal variation in the ratio of magmatic helium and argon in fumarolic gases at Kusatsu-Shirane volcano

小長谷智哉, 角野浩史, 外山浩太郎, 外山浩太郎, 大場武, 谷口無我, 寺田暁彦

日本地球化学会年会要旨集(Web), 68th, 2021
Introduction of the Special Issues on“Understanding Volcanoes by Integrating Eruptive History Research and Volcano Observations”

奥野充, 井口正人, 三好雅也, 三浦大助, 小林淳, 橋本武志, 大場武, 佐藤鋭一, 宝田晋治

火山, 66(2), 2021
水蒸気噴火と化学

大場武

化学と教育, 68(5) 204-207, May 20, 2020
Temporal and spatial variations of helium isotope ratios at Kirishima volcanic group

角野浩史, 外山浩太郎, 小長谷智哉, 滝口孝寛, 大場武, 谷口無我

日本火山学会講演予稿集, 2020, 2020
Noble gas isotopes of fumaroles and hot-spring gases at Kusatsu-Shirane volcano

小長谷智哉, 角野浩史, 外山浩太郎, 川名華織, 山根康平, 大場武, 谷口無我, 寺田暁彦

日本火山学会講演予稿集, 2020, 2020
Observation campaign of seismic activity and geochemistry of hot spring waters at western flank of Kusatsu-Shirane volcano, Japan

寺田暁彦, 香取慧, 谷口無我, 山本希, 山田大志, 鬼澤真也, 西澤達治, 青山裕, 森田裕一, 大場武

日本地球惑星科学連合大会予稿集(Web), 2020, 2020
Relationship between the magma/hydrothermal components ratio in volcanic gas and the volcanic activity

OHBA Takeshi

Abstracts of Annual Meeting of the Geochemical Society of Japan, 66 120, 2019
CO₂/H₂S ratio determination by use of Test-tube system

OHBA Takeshi

PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN, 2019 204-204, 2019
湯釜湖水のCl濃度・水安定同位体および精密震源分布から推定される草津白根火山の熱水系

桑原知義, 寺田暁彦, 大場武, 行竹洋平, 神田径, 小川康雄

日本地球惑星科学連合大会予稿集(Web), 2017 ROMBUNNO.SVC48‐02 (WEB ONLY), 2017
立山地獄谷の温泉水の同位体比

関香織, 大場武, 青山慎之介, 上野雄一郎, 神田径, 丹保俊哉

日本地球惑星科学連合大会予稿集(Web), 2017 ROMBUNNO.AHW35‐02 (WEB ONLY), 2017
関東平野北部における温泉の水質および安定同位体比とその地質鉱物学的解釈

村松容一, 谷口無我, 大場武

温泉科学 = Journal of hot spring sciences = Journal of the Balneological Society of Japan, 66(1) 4-20, Jun, 2016
Fluid Formation Mechanism of Deep Chloride Hot Spring Waters from the Central Kanto Plain, Central Japan : Diagenetic Evolution of Pore Water Trapped in the Kazusa and Annaka-Awa Groups

65(4) 216-233, Mar, 2016
Genesis of Highly Saline Hot Spring Waters from the Southern Itoigawa-Shizuoka Tectonic Line and Areas East : Genetic Analogy of the Kashio Highly Saline Hot Spring Waters from the Median Tectonic Line

66(2) 70-88, 2016
化学で解き明かす火山噴火のメカニズム : 御嶽山,箱根山に見る火山活動の実態

大場武

化学 = Chemistry, 70(11) 12-16, Nov, 2015
カメルーン北西部,ニオス火山の噴火史

長谷川健, 宮縁育夫, 小林哲夫, AKA Festus, BONIFACE Kankeu, ISSA, MICHE Linus, FILS Salomon, 金子克哉, 大場武 …

日本地球惑星科学連合大会予稿集(Web), 2015, 2015
A3-16 A model for the eruptive activity in 2015 at Mt Hakone interpreted by the composition of volcanic gases

Ohba T, Yaguchi M, Takagi K, Sago M, Daita Y, Ikeya K, Tsunogai U

PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN, 2015 44-44, 2015

Books and Other Publications

Geochemical survey at Rabaul caldera, Papua New Guinea

IUGG 2003 general assembly Abstract, 2003
Chemical composition of volcanic gases from Mt.Unzen, Japan: Implication to the magma degassing process

IUGG 2003 general assembly Abstract, 2003
Interaction between magmatic fluid and meteoric water in hydrothermal system inferred from noble gas isotopic compositions of fumarolic gases at Kusatsu-Shirane volcano, Japan

IUGG 2003 general assembly Abstract, 2003
Interaction of volcanic gases with ground water at the Use 2000 eruption

IUGG 2003 general assembly Abstract, 2003
Geochemical survey at Rabaul caldera, Papua New Guinea

Eighth field workshop on volcanic gases, Abstract, 2003
草津白根山の地球化学的観測

第20回イオンクロマトグラフィー討論会要旨集（大岡山）, 2003
Geochemical survey at Rabaul caldera, Papua New Guinea

IUGG 2003 general assembly Abstract, 2003
Chemical composition of volcanic gases from Mt.Unzen, Japan: Implication to the magma degassing process

IUGG 2003 general assembly Abstract, 2003
Interaction between magmatic fluid and meteoric water in hydrothermal system inferred from noble gas isotopic compositions of fumarolic gases at Kusatsu-Shirane volcano, Japan

IUGG 2003 general assembly Abstract, 2003
Interaction of volcanic gases with ground water at the Use 2000 eruption

IUGG 2003 general assembly Abstract, 2003
Geochemical survey at Rabaul caldera, Papua New Guinea

Eighth field workshop on volcanic gases, Abstract, 2003
Hydrogen and Oxygen Isotopes in Hydrology - The Textbook for the Elventh IHP training course in 2001

United Nations Educational Scientific and Cultural Organization (UNESCO), 2001
Hydrogen and Oxygen Isotopes in Hydrology - The Textbook for the Elventh IHP training course in 2001

United Nations Educational Scientific and Cultural Organization (UNESCO), 2001
Geochemical study

Reports on volcanic activities and volcanological studies in Japan for the period from 1995 to 1998, 1999
Geochemical study

Reports on volcanic activities and volcanological studies in Japan for the period from 1995 to 1998, 1999

Presentations

Volcanic hydrothermal system of Mt. Kusatsu-Shirane, Japan hosting the active crater lake Yugama

Magmatic gases, their trip from the mantle to the surface of the Earth, JSPS Asia-Afirica Scinece Platform Program International Seminar AASPP-Misasa, 2006
高出力レーザーラマン分光法による火山ガス遠隔観測実験

特定領域「火山爆発のダイナミックス」シンポジウム, 2006
伊豆大島三原山山頂の火山ガスは噴火予知に利用できるか？

日本地球惑星科学連合２００６年大会, 2006
36Ar/H2O 比と18O/16O 比の相関に基づく火山噴気の形成モデル：箱根山と草津白根山への応用

日本地球惑星科学連合２００６年大会, 2006
草津白根山火口湖湯釜の化学組成経年変化から推定するマグマ脱ガスモデル

日本地球化学会第５３回年会, 2006
カメルーンニオス湖・マヌーン湖のガス抜きの進捗

日本地球化学会第５３回年会, 2006
三段階で脱ガスした雲仙普賢岳溶岩

日本火山学会２００６年度秋季大会, 2006
レーザーラマン分光法による火山ガス組成遠隔観測の試み

日本火山学会２００６年度秋季大会, 2006
“Killer Lakes” Nyos and Monoun (Cameroon): Assessment of environmental impacts after more than five years of degassing.

2nd International AASPP Seminar, Cameroon Volcanic Line-East African Rift Valley Volcanoes and the Underlying Mantle, 2006
Volcanic hydrothermal system of Mt. Kusatsu-Shirane, Japan hosting the active crater lake Yugama

Magmatic gases, their trip from the mantle to the surface of the Earth, JSPS Asia-Afirica Scinece Platform Program International Seminar AASPP-Misasa, 2006
“Killer Lakes” Nyos and Monoun (Cameroon): Assessment of environmental impacts after more than five years of degassing.

2nd International AASPP Seminar, Cameroon Volcanic Line-East African Rift Valley Volcanoes and the Underlying Mantle, 2006
草津白根山における2004 年秋の火山活動

地球惑星科学関連学会２００５年合同大会, 2005
Cooperation for the geochemical volcano monitoring in Costa Rica

IAVCEI commission on the chemistry of volcanic gases 9th Gas Workshop, 2005
火山ガス観測による雲仙普賢岳マグマの脱ガス過程

地球惑星科学関連学会２００５年合同大会, 2005
火山ガス観測に基くマグマ脱ガスプロセスの解明

特定領域「火山爆発」夏の学校, 2005
火山性流体の挙動と火山活動

トレーサーを用いた水循環研究の現状と将来, 2005
ニオス湖およびマヌーン湖（カメルーン）－現状と今後

２００５年度日本地球化学会年会, 2005
箱根大涌谷の浅部火山熱水系

日本火山学会２００５年秋季大会, 2005
火山ガス化学組成から推定される雲仙普賢岳マグマの脱ガス過程

日本火山学会２００５年秋季大会, 2005
口永良部島における最近の火山ガス組成変化と噴気温度の連続観測

日本火山学会２００５年秋季大会, 2005

Professional Memberships

Works

コスタリカ国における活火山活動観測体制の強化のための専門家派遣（国際協力機構，ＪＩＣＡによる派遣）2004年6月～8月

2004 - 2004
カメルーン国，ニオス湖とマヌーン湖の調査

1999 - 1999
Field study on the Nyos lake and Monoun lake, Cameroon

1999 - 1999
開発途上国の技術者に対する火山学の教育訓練

1998 - 1998
ニュージーランド，ルアペル火山火口湖の調査

1998 - 1998
Training and teaching to the engineers from developing countries

1998 - 1998
Field study on the crater lake on Ruapehu volcano, NewZealand

1998 - 1998
インドネシア,イジェン火山火口湖の調査

1996 - 1996
Field study on Kawah Ijen Volcano, Indonesia

1996 - 1996

Research Projects

Development of a flash-type volcanic gas composition automatic observation device and prediction of phreatic eruption

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2020 - Mar, 2023
Understanding the magma system at Taal volcano, Philippines, based on in-situ geophysical observations

Grants-in-Aid for Scientific Research, Fund for the Promotion of Joint International Research (Fostering Joint International Research (B)), Japan Society for the Promotion of Science, Oct, 2019 - Mar, 2023
Monitoring of temperature in hydrothermal reservoir using gaseous elemental mercury

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2022

TERADA AKIHIKO
Elucidation of magmatic and hydrothermal systems of the highly eruptive Taal and Mayon volcanoes

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2019

Nagao Toshiyasu, SASAI Yoichi
Volcanic eruption potential diagnosis by volcanic gas observation

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2018

OHBA Takeshi, YAGUCHI Muga, NISHINO Kana
天然トレーサーによるカメルーン共和国ヤウンデ・ドアラ市における水資源の特性解明

科学研究費助成事業, 特別研究員奨励費, 日本学術振興会, Apr, 2014 - Mar, 2017

大場武, WIRMVEM MENGNJO, WIRMVEM Mengnjo
カメルーン火口湖ガス災害防止の総合対策と人材育成

国際的な科学技術共同研究などの推進 SATREPS, 科学技術振興機構, 2010 - 2015

大場武
Remote sensing for the volcanic fluid by use of back scattering Raman light

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, 2011 - 2013

OHBA Takeshi
High-time resolution optical observation of auroras in the Canadian arctic

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2007 - 2010

OGAWA Tadahiko, SHIOKAWA Kazuo, IEDA Akimasa, NISHITANI Nozomu, HOSOKAWA Keisuke
波長可変ダイオードレーザーによる火山ガス成分のシングルエンド高速観測

科学研究費助成事業, 挑戦的萌芽研究, 日本学術振興会, 2007 - 2009

大場武
Geochemical approach to estimate the rates of Lakes Nyos and Monoun degassing and the Nyos dam erosion

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2007 - 2008

SATAKE Hiroshi, KUSAKABE Minoru, OHBA Takeshi
Japan-Russia-USA joint research of volcanic activity, seismic activity and crustal deformation of Kuril arc

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, 2005 - 2008

NAKAGAWA Mitsuhiro, KASAHARA Minoru, HASGIMOTO Takeshi, TAKAHASHI Hiroaki, NISHIMURA Yuichi, YOSHIMOTO Mitsuhiro, KAZAHAYA Kohei, ISHIZUKA Yoshihiro, KANEKO Takayuki
高出力レーザーラマン分光法による火山ガス遠隔観測実験

科学研究費助成事業, 特定領域研究, 日本学術振興会, 2005 - 2006

大場武
Observation and investigation for the formation SPM originates in high temperature volcanic gas

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2003 - 2006

OHBA Takeshi
レーザーラマン分光法による火山ガス組成の遠隔観測

科学研究費助成事業, 萌芽研究, 日本学術振興会, 2004 - 2005

大場武
shallow magma plumbing system at Rabaul caldera, Papua new Guinea

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2001 - 2003

NISHIMURA Yuichi, SHIMAMURA Hideki, NAKAGAWA Mitsuhiro, OBA Takeshi, NOGAMI Kenji
ARE MAGMAS BENEATH THE CAMEROON VOLCANIC LINE ENRICHED IN CARBON DIOXIDE? -RELATIONSHIP WITH THE LAKE NYOS-TYPE GAS DISASTERS-

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B)., Japan Society for the Promotion of Science, 1998 - 1999

KUSAKABE Minoru, OHBA Takeshi, NAGAO Kesuke
Geochemical Investigation of Active Crater Lakes in Indonesia

Grants-in-Aid for Scientific Research, Grant-in-Aid for international Scientific Research, Japan Society for the Promotion of Science, 1996 - 1996

TAKANO Bokuichiro, SUGIMORI Kenji, OHBA Takeshi, SUZUKI Katsuhiko, BERNARD Alain, FAZLULLIN Sergey M.
高温火山ガスに含まれる二酸化炭素と一酸化炭素の間の炭素同位体交換反応

科学研究費助成事業, 奨励研究(A), 日本学術振興会, 1994 - 1994

大場武
雲仙普賢岳噴出岩に保持されるガス成分の分析とその応用

科学研究費助成事業, 奨励研究(A), 日本学術振興会, 1992 - 1992

大場武

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