Presentations -
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Indigenous traditions and water governance: The case of the Erfeng irrigation canal
Miyuki Shimabukuro, Tomohiro Toki, Yoshiaki Kubo, Hitoshi Shimabukuro
The 2nd International Sociohydrology Conference (東京大学・本郷キャンパス) 2025.07 - 2025.07
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Origin of lithium in pore fluids near offshore fault zone, northern Noto Peninsula, two months after the 2024 Noto Peninsula earthquake (M7.6) during the R/V Hakuho-maru cruise
Zahra Zandvakili, Yoshiro Nishio, Tomohiro Toki, Takanori Kagoshima, Jin-Oh Park
日本地球惑星科学連合2025年大会 (幕張メッセ) 2025.05 - 2025.05
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Distribution of dissolved methane in seawater from the East China Sea to the Ryukyu forearc
TOKI, Tomohiro
Annual Meeting of the Geological Society of Japan 2024.09 - 2024.09
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Origin of fluids in surface sediments of submarine mud volcanoes off Hyuga-nada, Tanegashima Island, and Kikaijima Island
Kantaro Yamada, Tomohiro Toki, Hironori Otsuka, Takuya Itaki, Masafumi Murayama, Akira Ijiri
Abstracts of Annual Meeting of the Geochemical Society of Japan 2024 - 2024
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Toward detection of slow slips in Hyuga-Nada: Challenge with seafloor optical-fiber strainmeter
KINOSHITA Masa, ARAKI Eiichiro, NAKATA Rie, TOKI Tomohiro, YOKOTA Yusuke, YAMASHITA Yusuke, HASHIMOTO Yoshitaka, HAMADA Yohei, SAWAI Michiyo
Annual Meeting of the Geological Society of Japan 2024 - 2024
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A Future-Oriented Trial Using Board Games Produced by Residents on Yoron Island
Toki Tomohiro, Shimabukuro Miyuki, Shimabukuro Hitoshi, Kubo Yoshiaki
Proceeding of Annual Conference 2023 - 2023
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Cold axis or Hot axis? Investigating the geothermal structure of a pre-break-up backarc basin, southern part of Okinawa Trough
Otsubo Makoto, Arai Ryuta, Toki Tomohiro, Kinoshita Masataka, Misawa Ayanori, Oohashi Kiyokazu, Kubota Yoshimi, Miyakawa Ayumu, Ikegami Fumihiko, Regalla Christine, Su Chih-Chieh
Annual Meeting of the Geological Society of Japan 2022.09 - 2022.09
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The roots of helium in surface sediments of submarine mud volcanoes off Tanegashima
Yuki Mitsutome, Tomohiro Toki, Takanori Kagoshima, Naoto Takahata, Yuji Sano, Yama Tomonaga, Akira Ijiri
AGU Fall Meeting 2021 (New Orleans, LA & Online Everywhere) 2021.12 - 2021.12
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Roots and reservoir of venting fluid at Taketomi submarine hot spring
Tomohiro Toki, Ryuichi Shinjo, Yuki Mitsutome, Syogo Oushima, Harue Masuda, Akira Ijiri, Shinji Nakaya
AGU Fall Meeting 2021 (New Orleans, LA & Online Everywhere) 2021.12 - 2021.12
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Origin of helium in surface sediments of submarine mud volcanoes off Tanegashima Island
Yuki Mitsutome, Tomohiro Toki, Takanori Kagoshima, Yuji Sano, Tomonaga Yama
The University of Tokyo Earthquake Research Institute Joint Research Meeting "Cross-sectional Study on Trench Seaward Processes: Toward Elucidation of Subduction Zone Inputs" (Online (Zoom)) 2021.10 - 2021.10
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Origin of the fluid in Taketomi submarine hot spring and estimated temperature of the reservoir
Tomohiro Toki, Ryuichi Shinjo, Noriyuki Shingaki, Yu Hara, Yuki Mitsutome, Koma Yasumura, Syogo Oshima, Harue Masuda, Akira Ijiri, Shinji Nakaya
The 68th Annual Meeting of the Geochemical Society of Japan (Hybrid event (Online & Hirosaki University) ) 2021.09 - 2021.09
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Origin of noble gases in surface sediments from submarine mud volcanoes off Tanegashima
Yuki Mitsutome, Tomohiro Toki, Takanori Kagoshima, Naoto Takahata, Yuji Sano, Tomonaga Yama
Japan Geoscience Union Meeting 2021 (Online) 2021.05 - 2021.06
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Marine and earth science surveys in the Okinawa Trough for the IODP Scientific Drilling: Hakuhomaru KH-21-3 cruise preliminary reports
Makoto Otsubo, Yoshimi Kubota, Ayanori Misawa, Ken Ikehara, Saki Ishino, Masataka Kinoshita, Kenji Matsuzaki, Katsura Kameo, Chiori Tamura, Ryuta Arai, Tomohiro Toki, Yuki Mitsutome, Zhirong Cai, Keiko Takehara, Kodai Kato, Daisuke Kuwano, Koshiro Matsuo, Keita Suzuki, Misaki Horiuchi, Yohei Katayama, Satoshi Okumura
Japan Geoscience Union Meeting 2021 (Online) 2021.05 - 2021.06
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Watershed Governance Based on Participation and Consensus for Sustainable Water Resource Use in Subtropical Islands -Contributing to the achievement of the SDGs-
Jun Yasumoto, Ryuichi Shinjo, Bam H.N. Razafindrabe, Tomohiro Toki, Kazuko Sawada, Takahiro Hosono, Oktanius Richard Hermawan, Shinji Nakaya, Ryogo Takada, Kei Nakagawa, Makoto Kagabu, Yasuhiro Tawara, Atsuko Murai, Yasumoto Ko, Mizusawa Nanami, Rio Maruyama, Mina Yasumoto Hirose, Akira Iguchi, Mariko Iijima, KE-HAN SONG, Masataka Aizawa
Japan Geoscience Union Meeting 2021 (Online) 2021.05 - 2021.06
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IODP proposal for re-drilling in the East China Sea to understand the millennial-scale variability of the Asian monsoon during the Quaternary
Yoshimi Kubota, Ken Ikehara, Kenji Matsuzaki, Saki Ishino, Ayanori Misawa, Makoto Otsubo, Masataka Kinoshita, Katsura Kameo, Chiori Tamura, Ryuta Arai, Tomohiro Toki, Yuki Mitsutome, Zhirong Cai, Keiko Takehara, Koudai Kato, Daisuke Kuwano, Koshiro Matsuo, Keita Suzuki, Misaki Horiuchi, Yohei Katayama, Satoshi Okumura, Ryuji Tada, Tomohisa Irino, Kohsaku Arai, Takahiko Inoue, Takuya Sagawa, Minoru Ikehara, Yusuke Okazaki, Keiji Horikawa
Japan Geoscience Union Meeting 2021 (Online) 2021.05 - 2021.06
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Discharging mechanism of springs around the fault in the southeastern coast of Yonaguni Island
T. Toki, H. Kataoka, R. Takada, S. Nakaya, S. Oshima, and A. Ijiri
2020.11 - 2020.11
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Discharging flux of deep-sourced fluid from submarine mud volcanoes off Tanegashima
Yuki Mitsutome, Tomohiro Toki, Shugo Kurahashi, Akira Ijiri, Juichiro Ashi
JpGU-AGU Joint Meeting 2020 (Makuhari Messe, Chiba, Japan) 2020.07 - 2020.07
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Ijiri Akira, Hoshino Tatsuhiko, Kitada Kazuya, Toki Tomohiro, Murayama Masafumi, Noguchi Takuroh, Ashi Juichiro
126th Annual Meeting of the Geological Society of Japan (Yamaguchi University) 2019.09 - 2019.09
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Yokota Eri, Yamanaka Toshiro, Okamura Kei, Noguchi Takuro, Toki Tomohiro, Tsunogai Urumu, Ohnishi Yuji, Makita Hiroko
(The University of Tokyo) 2019.09 - 2019.09
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Preliminary report of continuous-monitoring at Taketomi submarine hot spring
Oshima Syogo, Toki Tomohiro, Mitsutome Yuki, Hara Yu
(The University of Tokyo) 2019.09 - 2019.09
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新垣 典之，土岐 知弘，大嶋 将吾，知念 正昭，坂口 有人，高畑 直人，佐野 有司，白井 厚太朗，田中 健太郎
日本地球惑星科学連合2019年大会 (幕張メッセ) 2019.05 - 2019.05
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Groundwater in the Ryukyu limestone aquifer
Yasumoto Jun, Nozaki Masashi, Nakaya Shinji, Harue Masuda, Hosono Takahiro, Toki Tomohiro, Shinjo Ryuichi
2018.09 - 2018.09
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Distribution of natural gases and hot springs around the Ryukyu Islands
Tomohiro Toki
2018.09 - 2018.09
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Geochemical study of cuttings from Taketomi-jima hot spring
Oshima Shogo, Toki Tomohiro, Shingaki Noriyuki, Fujita Kazuhiko, Chinen Masaaki
2018.09 - 2018.09
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(Cancel)Off-Tohoku Petit-Spot Drilling proposal
Yamaguchi Asuka, Fujie Gou, Hirano Naoto, Kagoshima Takanori, Akizawa Norikatsu, Morishita Tomoaki, Ono Shigeaki, Toki Tomohiro, Nakamura Yasuyuki, Yamano Makoto, Kimura Jun-Ichi
Annual Meeting of the Geological Society of Japan 2018 - 2018
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Distribution of hydrothermal fluid around the ore body in the subseafloor of the Izena hydrothermal field
Tomohiro Toki, Tsubasa Otake, Jun-ichiro Ishibashi, Yohei Matsui, Shinsuke Kawagucci, Hirokazu Kato, Shigeshi Fuchida, Rena Miyahara, Akihi Tsutsumi, Shunsuke Nakamura, Ryuhei Kawakida, Hirotaka Uza, Riki Uehara, Ryuichi Shinjo, Tatsuo Nozaki, Hidenori Kumagai, Lena Maeda, CK16-05 on-board member
AGU 2017 Fall Meeting (New Orleans) 2017.12 - 2017.12
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Review of mud volcano study: Inorganic geochemistry
Toki Tomohiro
Annual Meeting of the Geological Society of Japan 2017.09 - 2017.09
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Geochemical study of submarine hot spring from Taketomi-jima
Oshima Shogo, Toki Tomohiro, Tsutsumi Akihi, Ishibashi Jun―ichiro
Abstracts of Annual Meeting of the Geochemical Society of Japan 2017.09 - 2017.09
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Distribution of hydrothermal-derived chemical components around the ore body in Izena Hole
Toki Tomohiro, Ohtake Tsubasa, Ishibashi Jun―ichiro, Matsui Yohei, Kawagucci Shinsuke, Kato Yamato, Fuchida Shigeshi, Miyahara Rena, Tsutsumi Akihi, Nakamura Shunsuke, Kawakita Ryuhei, Uza Hirotaka, Uehara Riki, Shinjo Ryuichi, Nozaki Tatsuo, Kumagai Hidenori, Maeda Lena
Abstracts of Annual Meeting of the Geochemical Society of Japan 2017.09 - 2017.09
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Chemical and isotopic compositions of interstitial water from the Izena hydrothermal field
Tomohiro Toki, Tsubasa Otake, Jun-ichiro Ishibashi, Yohei Matsui, Hirokazu Kato, Shigeshi Fuchida, Rena Miyahara, Akihi Tsutsumi, Shunsuke Nakamura, Ryuhei Kawakida, Hirotaka Uza, Riki Uehara, Ryuichi Shinjo, Tatsuo Nozaki, Hidenori Kumagai, Lena Maeda, CK16-05 on-board member
JpGU-AGU 2017 (Makuhari Messe) 2017.05 - 2017.05
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Boron isotope ratios in pore fluids from mud volcanoes off Tanegashima
Tomohiro Toki, Ko Agena, Akira Ijiri, Juichiro Ashi
JpGU-AGU 2017 (Makuhari Messe) 2017.05 - 2017.05
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Estimated activities of submarine mud volcanoes off Tanegashima based on vertical profiles of pore water chemistry
Akira Ijiri, Yohei Hamada, Tomohiro Toki, Ko Agena, Tatsuro Hoshino, Kyoko Hagino, Hideaki Machiyama, Juichiro Ashi, Fumio Inagaki
JpGU-AGU 2017 (Makuhari Messe) 2017.05 - 2017.05
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Edifices on Deep-Seafloor
Tomohiro Toki
1st International Workshop on Role of Microorganism and Thermo-Hydro-Chemico-Mechanical Process in Geoengineering and Geoscience (University of the Ryukyus) 2017.03 - 2017.03
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Toki Tomohiro, Shinjo Ryuichi, Nunoura Takuro, Makabe Akiko, Matsui Youhei, Kawagucci Shinsuke, Saitoh Masafumi, Kato Shingo, Nakagawa Satoshi, Tasumi Eiji, Hirai Miho, Ishibashi Jun―ichiro, On―board member CK16―01
Abstracts of Annual Meeting of the Geochemical Society of Japan 2016.09 - 2016.09
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Hydrothermal fluids of the Okinawa Trough: Sr isotopic composition
Tomohiro Toki, Ryuichi Shinjo, Jun-ichiro Ishibashi
Goldschmidt 2016 (PACIFICO Yokohama, Kanagawa) 2016.06 - 2016.07
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Sediment component in geochemistry of hydrothermal fluids from the Okinawa Trough: evidence from Sr isotopic compositions
Tomohiro Toki, Tasuku Nohara, Yoshiaki Urata, Ryuichi Shinjo, Jun-ichiro Ishibashi
The 10th International Workshop on the Oceanography and Fisheries Science of the East China Sea (2015 ECS Workshop) (Jeju University) 2015.11 - 2015.11
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Possible constraints on hydrate dissociation in sedimentary basin: Sedimentation, compaction, deep-source fluid and diffusion
Masa Kinoshita, Tomohiro Toki
ILP2015 symposium (University of Kyoto) 2015.10 - 2015.10
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Boron isotope geochemistry of pore water fluids sampled across the active Nankai Trough subduction zone forearc
Andre Hüpers, Simone A. Kasemann, Achim J. Kopf, Anette Meixner, Tomohiro Toki, Ruichi Shinjo, Geoffery C. Wheat, Chen-Feng You
GeoBerlin2015 conference (Freie Universitat Berlin Henry Ford Bau, Berlin-Dahlem) 2015.10 - 2015.10
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Toki Tomohiro, Higa Ryosaku, Ijiri Akira, Tsunogai Urumu, Ashi Juichiro
Annual Meeting of the Geological Society of Japan 2015.09 - 2015.09
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Toki Tomohiro, Heshiki Sawako, Shinjo Ryuichi, Ishibashi Jun-ichiro
Abstracts of Annual Meeting of the Geochemical Society of Japan (Nihon University, College of Humanities and Sciences) 2015.09 - 2015.09
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Appearance of iron-based microbial ecosystems on and below the seafloor: A case study of the southern Mariana Trough
Kato Shingo, Kentaro Nakamura, Tomohiro Toki, Jun-ichiro Ishibashi, Urumu Tsunogai, Akinari Hirota, Kutsuhiko Suzuki, Moriya Ohkuma, Akihiko Yamagishi
AGU 2012 Fall Meeting (Moscone convention Center, San Francisco, California) 2012.12 - 2012.12
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Geochemistry of hydrothermal fluids at the Hatoma Knoll in Okinawa Trough
Tomohiro Toki, Michihiro Itoh, Daigo Iwata, Shogo Ohshima, Yoshiaki Urata, Tamotsu Oomori, Ryuichi Shinjo, Jun-ichiro Ishibashi, Urumu Tsunogai, Yuji Sano, Naoto Takahata, Toshiro Yamanaka, Shinichi Kawagucci, Yuichiro Ueno, Takuro Nunoura, Ken Takai
AGU 2012 Fall Meeting (Moscone convention Center, San Francisco, California) 2012.12 - 2012.12
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10+ years of ACORK: Continuous pore pressure record from the decollement zone at Nankai Trough off Muroto
Masataka Kinoshita, Earl E. Davis, Keir Becker, Junichi Miyazaki, Samuel Hulme, Robert Meldrum, Tomohiro Toki, Geoffery C. Wheat, Takafumi Kasaya
AGU 2012 Fall Meeting (Moscone convention Center, San Francisco, California) 2012.12 - 2012.12
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Biogeochemical study on mud-volcano sediments from the Kumano forearc basin, Japan
Akira Ijiri, Tomohiro Toki, Yasuhiko Yamaguchi, Shinsuke Kawagucci, Shohei Hattori, Yuki Morono, Mark A. Lever, Naohiro Yoshida, Urumu Tsunogai, Koichi Nakamura, Ken Takai, Juichiro Ashi, Fumio Inagaki
AGU 2011 Fall Meeting (Moscone convention Center, San Francisco, California) 2011.12 - 2011.12
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Lithium isotopic evidence for deep-seated fluids from Kumano mud volcano in Nankai accretionary prism
Yoshiro Nishio, Akira Ijiri, Tomohiro Toki, Yuki Morono, Fumio Inagaki
AGU 2011 Fall Meeting (Moscone convention Center, San Francisco, California) 2011.12 - 2011.12
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Microbiological investigation of the Iron-Containing Flocculent Mats in various deep sea environments
Hiroko Makita, Sakiko Kikuchi, Satoshi Mitsunobu, Kentaro Nakamura, Tomohiro Toki, Shinsuke Kawagucci, Takuroh Noguchi, Mariko Abe, Junichi Miyazaki, Toshiro Yamaknaka, Shinji Tsuchida, Hidetaka Nomaki, Yoshio Takahashi, Ken Takai
AGU 2011 Fall Meeting (Moscone convention Center, San Francisco, California) 2011.12 - 2011.12
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Biogeochemical processes in mud-volcano sediments from the Kumano forearc basin, Japan
Akira Ijiri, Tomohiro Toki, Yasuhiko Yamaguchi, Shinsuke Kawagucci, Shohei Hattori, Yuki Morono, Mark A. Lever, Naohiro Yoshida, Urumu Tsunogai, Koichi Nakamura, Ken Takai, Juichiro Ashi, Fumio Inagaki
Goldschmidt 2011 (Prague, Czech Republic) 2011.08 - 2011.08
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Raman spectroscopic analyses on structure and composition of gas hydrate from Kumano mud volcano, Nankai Trough, Japan
Hitoshi Tomaru, Akira Ijiri, Tomohiro Toki, Fumio Inagaki, CK09-01 Shipboard Scientists
AGU 2009 Fall Meeting (Moscone convention Center, San Francisco, California) 2009.12 - 2009.12
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Methane-utilizing Bathymodiolus mussels: measurement of methane consumption rates as a function of methane concentration and the effect of in situ pressure conditions
Hisako Hirayama, Takao Yoshida, Tomohiro Toki, Tomo-o Watsuji, Junichi Miyazaki, Mariko Abe, Hiroko Makita, Ken Takai
4th International Symposium on Chemosynthesis-Based Ecosystems-Hydrothermal Vents, Seeps and Other Reducing Habitats- (Okinawa, Japan) 2009.06 - 2009.07
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Fluid geochemistry of the Suiyo hydrothermal field at the Izu-Bonin arc submarine volcano
Jun-ichiro Ishibashi, Hiroyuki Akashi, Toshiro Yamanaka, Tomohiro Toki, Genta Teranishi, Hajime Obata, Toshitaka Gamo
Goldschmidt 2009 (Davos, Switzerland) 2009.06 - 2009.06
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Gas Composition of the Venting Bubbles from the Formosa Ridge in the Gas Hydrate Potential Area, Offshore of SW Taiwan
Tsanyao Frank Yang, Tomohiro Toki, Saulwood Lin, Hideaki Machiyama, Chih-Hsien Sun
6th International Conference on Gas Hydrates (Vancouver, Canada) 2008.07 - 2008.07
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Characteristics of dissolved organic matter in the hydrothermal fluids and the associated water samples obtained from arc-backarc systems
Hiroyuki Akashi, Toshiro Yamanaka, Jun-ichiro Ishibashi, Michinari Sunamura, Hiroyuki Kimura, Tomohiro Toki, Satoshi Nakagawa, Ken Takai
Goldschmidt 2008 - (Vancouver, Canada) 2008.07 - 2008.07
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Mineralogical and chemical studies of ore deposits collected from the Hatoma Koll, southern Okinawa Trough
Hiroki Nakano, Jun-ichiro Ishibashi, Tokuroh Noguchi, Tomohiro Toki, Tamotsu Oomori
AOGS 5th Annual General Meeting (Busan, Korea) 2008.06 - 2008.06
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Geochemical environment of hydrothermal system at Hatoma Knoll in Okinawa Trough
Tomohiro Toki
2008.03 - 2008.03
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Discovery of “Hydrothermal” Chemosynthetic Community in a Cold Seep Environment, Formosa Ridge: Seafloor Observation Results from First ROV Cruise, off Southwestern Taiwan
Hideaki Machiyama, Saulwood Lin, Katsunori Fujikura, Chi-Yue Huang, Chia-Yen Ku, Li-Hung Lin, Char-Shine Liu, Sumito Morita, Takuro Nunoura, Wonn Soh, Tomohiro Toki, Tsanyao Yang
AGU 2007 Fall Meeting (Moscone convention Center, San Francisco, California) 2007.12 - 2007.12
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Anomalously low D/H ratio of H2 gas from high temperature hydrothermal fluids in the Mariana Trough
Shunsuke Kawagucci, Tomohiro Toki, Michihiro Ito, Tamotsu Oomori, Jun-ichiro Ishibashi, Harue Masuda, Ken Takai, Toshitaka Gamo
V.M.Goldschmidt Conference (Cologne, Germany) 2007.08 - 2007.08
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Cold Seeps and Their Tectonic Implications in the IODP NanTroSEIZE Drilling Area
Juichiro Ashi, Tomohiro Toki, Shin’ichi Kuramoto, Masataka Kinoshita, Kumano Dive Scientific Party
AGU 2006 Fall Meeting (Moscone convention Center, San Francisco, California) 2006.12 - 2006.12
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Seafloor hydrothermal activity at off-axisial seamounts of back-arc spreading in southern Mariana Trough
Jun-ichiro Ishibashi, Ryohei Suzuki, Toshiro Yamanaka, Tomohiro Toki, Hiroyuki Kimura, Takuro Noguchi, Tetsuro Urabe
V.M.Goldschmidt Conference (Melbourne, Australia) 2006.08 - 2006.08
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Distribution of dissolved hydrogen in pore water at cold seep site
Tomohiro Toki, Kenji Maegawa, Urumu Tsunogai, Juichiro Ashi, Masataka Kinoshita, Toshitaka Gamo
AGU 2005 Fall Meeting (Moscone convention Center, San Francisco, California) 2005.12 - 2005.12
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Methane distribution in plumes of the South Mariana Back-arc Spreading Center
Tomohiro Toki, Akinari Hirota, Urumu Tsunogai, Toshitaka Gamo, Koichi Nakamura, Takuro Noguchi, Naoto Taira, Tamotsu Oomori, Jun-ichiro Ishibashi, Motoo Utsumi
AGU 2004 Fall Meeting (Moscone convention Center, San Francisco, California) 2004.12 - 2004.12
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Origin of methane in surface sediment from North flank of Daini-Atsumi Knoll
Tomohiro Toki, Urumu Tsunogai, Toshitaka Gamo, Manabu Tanahashi
Methane Hydrates and Fluid Flow in Upper Accretionary Prisms (PrismFluid 2004) (Kyoto University) 2004.03 - 2004.03
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Sources of low-chloride fluids in sediments beneath biological communities on the Nankai accretionary wedge off Kumano
Tomohiro Toki, Urumu Tsunogai, Toshitaka Gamo, Shin’ichi Kuramoto, Juichiro Ashi
AGU 2003 Fall Meeting (Moscone convention Center, San Francisco, California) 2003.12 - 2003.12
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Geochemical study of cold seeps on the seafloor off Kumano in Nankai Trough
Tomohiro Toki, Urumu Tsunogai, Toshitaka Gamo, Shin’ichi Kuramoto
V.M.Goldschmidt Conference (Kurashiki, Okayama) 2003.09 - 2003.09
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Origin and flow rate of low-chloride fluids in a cold seep field on the accretionary wedge, off Kumano, Nankai Trough
Tomohiro Toki, Urumu Tsunogai, Toshitaka Gamo, and Shin’ichi Kuramoto
IUGG2003 (Sapporo, Hokkaido) 2003.06 - 2003.07
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Concentration of Biologically Important Chemical Species in Hydrothermal Fluids from Submarine Arc Volcano Suiyo Seamount
Jun-ichiro Ishibashi, Yusuke Morimoto, Yuko Umeki, Fumitaka Kouzuma, Tomohiro Toki, Urumu Tsunogai, Kenji Nanba, Motoo Utsumi, Toshiro Yamanaka, Hitoshi Chiba, Kei Okamura
AGU 2002 Fall Meeting (Moscone convention Center, San Francisco, California) 2002.12 - 2002.12
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Seafloor Manifestations of Fluid Venting and Sallow Gas-hydrate BSRs at the Outer Ridge of the Eastern Nankai Trough
Juichiro Ashi, Saneatsu Saito, Kan Aoike, Tomohiro Toki, Shin’ichi Kuramoto, Pierre Henry
AGU 2002 Fall Meeting (Moscone convention Center, San Francisco, California) 2002.12 - 2002.12
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Tectonic features of out-of-sequence-thrusts in central Nankai accretionary prism
Saneatsu Saito, Shin’ichi Kuramoto, Juichiro Ashi, Masataka Kinoshita, Kotaro Ujiie, Arito Sakaguchi, Siegfried Lallemant, Tomohiro Toki, Yusuke Kubo, Naoto Misawa, NT02-02 and YK02-02 Shipboard Party
AGU 2002 Fall Meeting (Moscone convention Center, San Francisco, California) 2002.12 - 2002.12
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Stable isotopic compositions of CO in hydrothermal fluid: signature of sub-vent biosphere
Urumu Tsunogai, Fumitaka Kouzuma, Tomohiro Toki, Toshitaka Gamo, Jun-ichiro Ishibashi
2002 Ocean Sciences Meeting (Honolulu, Hawaii) 2002.02 - 2002.02
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Distribution of natural gases and hot springs around the Ryukyu Islands
Tomohiro Toki
1900.01 - 1900.01
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Yokota Eri, Yamanaka Toshiro, Okamura Kei, Noguchi Takuro, Toki Tomohiro, Tsunogai Urumu, Ohnishi Yuji, Makita Hiroko
(The University of Tokyo) 1900.01 - 1900.01
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Distribution of hydrothermal-derived chemical components around the ore body in Izena Hole
Toki Tomohiro, Ohtake Tsubasa, Ishibashi Jun―ichiro, Matsui Yohei, Kawagucci Shinsuke, Kato Yamato, Fuchida Shigeshi, Miyahara Rena, Tsutsumi Akihi, Nakamura Shunsuke, Kawakita Ryuhei, Uza Hirotaka, Uehara Riki, Shinjo Ryuichi, Nozaki Tatsuo, Kumagai Hidenori, Maeda Lena
Abstracts of Annual Meeting of the Geochemical Society of Japan 1900.01 - 1900.01
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Review of mud volcano study: Inorganic geochemistry
Toki Tomohiro
Annual Meeting of the Geological Society of Japan 1900.01 - 1900.01
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Discharging mechanism of springs around the fault in the southeastern coast of Yonaguni Island
T. Toki, H. Kataoka, R. Takada, S. Nakaya, S. Oshima, A. Ijiri
1900.01 - 1900.01
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Sediment component in geochemistry of hydrothermal fluids from the Okinawa Trough: evidence from Sr isotopic compositions
Tomohiro Toki, Tasuku Nohara, Yoshiaki Urata, Ryuichi Shinjo, Jun-ichiro Ishibashi
The 10th International Workshop on the Oceanography and Fisheries Science of the East China Sea (2015 ECS Workshop) (Jeju University) 1900.01 - 1900.01
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Possible constraints on hydrate dissociation in sedimentary basin: Sedimentation, compaction, deep-source fluid and diffusion
Masa Kinoshita, Tomohiro Toki
ILP2015 symposium (University of Kyoto) 1900.01 - 1900.01
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Hydrothermal fluids of the Okinawa Trough: Sr isotopic composition
Tomohiro Toki, Ryuichi Shinjo, Jun-ichiro Ishibashi
Goldschmidt 2016 (PACIFICO Yokohama, Kanagawa) 1900.01 - 1900.01
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Estimated activities of submarine mud volcanoes off Tanegashima based on vertical profiles of pore water chemistry
Akira Ijiri, Yohei Hamada, Tomohiro Toki, Ko Agena, Tatsuro Hoshino, Kyoko Hagino, Hideaki Machiyama, Juichiro Ashi, Fumio Inagaki
JpGU-AGU 2017 (Makuhari Messe) 1900.01 - 1900.01
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Edifices on Deep-Seafloor
Tomohiro Toki
1st International Workshop on Role of Microorganism and Thermo-Hydro-Chemico-Mechanical Process in Geoengineering and Geoscience (University of the Ryukyus) 1900.01 - 1900.01
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Distribution of hydrothermal fluid around the ore body in the subseafloor of the Izena hydrothermal field
Tomohiro Toki, Tsubasa Otake, Jun-ichiro Ishibashi, Yohei Matsui, Shinsuke Kawagucci, Hirokazu Kato, Shigeshi Fuchida, Rena Miyahara, Akihi Tsutsumi, Shunsuke Nakamura, Ryuhei Kawakida, Hirotaka Uza, Riki Uehara, Ryuichi Shinjo, Tatsuo Nozaki, Hidenori Kumagai, Lena Maeda, on-board member
AGU 2017 Fall Meeting (New Orleans) 1900.01 - 1900.01
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Toki Tomohiro, Shinjo Ryuichi, Nunoura Takuro, Makabe Akiko, Matsui Youhei, Kawagucci Shinsuke, Saitoh Masafumi, Kato Shingo, Nakagawa Satoshi, Tasumi Eiji, Hirai Miho, Ishibashi Jun―ichiro, On―board member
Abstracts of Annual Meeting of the Geochemical Society of Japan 1900.01 - 1900.01
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Chemical and isotopic compositions of interstitial water from the Izena hydrothermal field
Tomohiro Toki, Tsubasa Otake, Jun-ichiro Ishibashi, Yohei Matsui, Hirokazu Kato, Shigeshi Fuchida, Rena Miyahara, Akihi Tsutsumi, Shunsuke Nakamura, Ryuhei Kawakida, Hirotaka Uza, Riki Uehara, Ryuichi Shinjo, Tatsuo Nozaki, Hidenori Kumagai, Lena Maeda, on-board member
JpGU-AGU 2017 (Makuhari Messe) 1900.01 - 1900.01
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Boron isotope ratios in pore fluids from mud volcanoes off Tanegashima
Tomohiro Toki, Ko Agena, Akira Ijiri, Juichiro Ashi
JpGU-AGU 2017 (Makuhari Messe) 1900.01 - 1900.01
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Boron isotope geochemistry of pore water fluids sampled across the active Nankai Trough subduction zone forearc
Andre Hüpers, Simone A. Kasemann, Achim J. Kopf, Anette Meixner, Tomohiro Toki, Ruichi Shinjo, Geoffery C. Wheat, Chen-Feng You
GeoBerlin2015 conference (Freie Universitat Berlin Henry Ford Bau, Berlin-Dahlem) 1900.01 - 1900.01
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Toki Tomohiro, Heshiki Sawako, Shinjo Ryuichi, Ishibashi Jun-ichiro
Abstracts of Annual Meeting of the Geochemical Society of Japan (Nihon University, College of Humanities and Sciences) 1900.01 - 1900.01
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Origin of the fluid in Taketomi submarine hot spring and estimated temperature of the reservoir
Toki Tomohiro, Nakaya Shinji, Shinjo Ryuichi, Shingaki Noriyuki, Hara Yu, Mitsutome Yuki, Yasumura Koma, Oushima Shogo, Masuda Harue, Ijiri Akira
Abstracts of Annual Meeting of the Geochemical Society of Japan 1900.01 - 1900.01
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Geochemical study of submarine hot spring from Taketomi-jima
Oshima Shogo, Toki Tomohiro, Tsutsumi Akihi, Ishibashi Jun―ichiro
Abstracts of Annual Meeting of the Geochemical Society of Japan 1900.01 - 1900.01
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Preliminary report of continuous-monitoring at Taketomi submarine hot spring
Oshima Syogo, Toki Tomohiro, Mitsutome Yuki, Hara Yu
(The University of Tokyo) 1900.01 - 1900.01
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新垣 典之, 土岐 知弘, 大嶋 将吾, 知念 正昭, 坂口 有人, 高畑 直人, 佐野 有司, 白井 厚太朗, 田中 健太郎
日本地球惑星科学連合2019年大会 (幕張メッセ) 1900.01 - 1900.01
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Geochemical study of cuttings from Taketomi-jima hot spring
Oshima Shogo, Toki Tomohiro, Shingaki Noriyuki, Fujita Kazuhiko, Chinen Masaaki
1900.01 - 1900.01
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Discharging flux of deep-sourced fluid from submarine mud volcanoes off Tanegashima
Yuki Mitsutome, Tomohiro Toki, Shugo Kurahashi, Akira Ijiri, Juichiro Ashi
JpGU-AGU Joint Meeting 2020 (Makuhari Messe, Chiba, Japan) 1900.01 - 1900.01
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Ijiri Akira, Hoshino Tatsuhiko, Kitada Kazuya, Toki Tomohiro, Murayama Masafumi, Noguchi Takuroh, Ashi Juichiro
126th Annual Meeting of the Geological Society of Japan (Yamaguchi University) 1900.01 - 1900.01
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Groundwater in the Ryukyu limestone aquifer
Yasumoto Jun, Nozaki Masashi, Nakaya Shinji, Harue Masuda, Hosono Takahiro, Toki Tomohiro, Shinjo Ryuichi
1900.01 - 1900.01
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Toki Tomohiro, Higa Ryosaku, Ijiri Akira, Tsunogai Urumu, Ashi Juichiro
Annual Meeting of the Geological Society of Japan 1900.01 - 1900.01