 氏名： 土岐 知弘（とき ともひろ）
 研究分野： 地球化学
 所属学会： 日本地球化学会，日本地質学会，AGU, 日本海水学会
 主な論文・著書：
原著論文
64. Tomohiro Toki, Koma Yasumura, Naoto Takahata, Yusuke Miyajima, Haruya Miyaki, Kiyokazu Oohashi, and Makoto Otsubo, Origin of helium in basement rocks and carbonate veins in Yonaguni Island, Geochemical Journal, Accepted, 2024
63. Tomohiro Toki, Hideki Chibana, Teppei Shimabukuro and Yo Yamakawa:
Distribution of dissolved methane in seawater from the East China Sea to
the Ryukyu forearc, Frontiers in Earth Science, 11, 2023, doi: 10.3389/feart.2023.1174504
62. Miho Asada, Mikiya Yamashita, Rina Fukuchi, Toshiyuki Yokota, Tomohiro
Toki, Akira Ijiri and Kiichiro Kawamura: Identification of a large mud
volcano field in the Hyuga-nada, northern end of the Ryukyu Trench, offshore
Japan, Frontiers in Earth Science, 11, 2023, doi: 10.3389/feart.2023.1232302
61. Yuki Mitsutome, Ko Agena, Tomohiro Toki, Ke-Hang Song, Ryuichi Shinjo,
and Akira Ijiri: Assessing the activity of mud volcanism using boron isotope
ratios in pore water from surface sediments of mud volcanoes off Tanegashima
(SW Japan), Frontiers in Marine Science, 10, 2023
60. Akira Ijiri, Ryoma Setoguchi, Yuki Mitsutome, Tomohiro Toki, Masafumi
Murayama, Kyoko Hagino, Yohei Hamada, Takeyasu Yamagata, Hiroyuki Matsuzaki,
Wataru Tanikawa, Osamu Tadai, Kazuya Kitada, Tatsuhiko Hoshino, Takuro
Noguchi, Juichiro Ashi, and Fumio Inagaki: Origins of sediments and fluids
in submarine mud volcanoes off Tanegashima Island, northern Ryukyu Trench,
Japan, Frontiers in Earth Science, 11, 2023
59. Yuki Mitsutome, Tomohiro Toki, Takanori Kagoshima, Yuji Sano, Yama
Tomonaga, and Akira Ijiri: Estimation of the depth of origin of fluids
using noble gases in the surface sediments of submarine mud volcanoes off
Tanegashima Island, Scientific Reports, v. 13, 5051, 2023, https://doi.org/10.1038/s41598-023-31582-z
58. Nima Moussa, Germain Bayon, Vesselin M. Dekov, Toshiro Yamanaka, Ryuichi
Shinjo, Tomohiro Toki, Bernard Le Gall, Nathalie Grassineau, Jessica A.
Langlade, Mohamed Osman Awaleh, and Ewan Pelleter: Mixed carbonate-siliceous
hydrothermal chimneys ahead of the Asal propagating rift (SE Afar Rift,
Republic of Djibouti). Journal of African Earth Sciences, v.197, 104765,
2023, https://doi.org/10.1016/j.jafrearsci.2022.104765
57. Miyuki Shimabukuro, Tomohiro Toki, Hitoshi Shimabukuro, Yoshiaki Kubo,
Soyo Takahashi, and Ryuichi Shinjo: Development and Application of an Environmental
Education Tool (Board Game) for Teaching Integrated Resource Management
of the Water Cycle on Coral Reef Islands. Sustainability, v.14(24), 16562,
2022, doi:10.3390/su142416562
56. Tomohiro Toki, Tasuku Nohara, Yoshiaki Urata, Ryuichi Shinjo, Shuko
Hokakubo-Watanabe, Jun-ichiro Ishibashi, and Shinsuke Kawagucci: Sr isotopic
ratios of hydrothermal fluids from the Okinawa Trough and the implications
of variation in fluid–sediment interactions. Progress in Earth and Planetary
Science, v.9, 59, 2022, doi: 10.1186/s40645-022-00519-x
55. Vesselin M. Dekov, Keigo Kyono, Kazutaka Yasukawa, Bleuenn Gueguen,
Magnus Ivarsson, George D. Kamenov, Toshiro Yamanaka, Dan Asael, Mizuki
Ishida, Larissa L. Cavalcante, Yasuhiro Kato, Tomohiro Toki, and Junichiro
Ishibashi: Mineralogy, geochemistry and microbiology insights into precipitation
of stibnite and orpiment at the Daiyon-Yonaguni Knoll (Okinawa Trough)
hydrothermal barite deposits. Chemical Geology, v.610, 121092, 2022, https://doi.org/10.1016/j.chemgeo.2022.121092
54. Tomohiro Toki, Hina Kataoka, Ryogo Takada, Shinji Nakaya, Syogo Oshima,
and Akira Ijiri: Spring discharge mechanism along the southeast coast of
Yonaguni Island in the southern Ryukyu forearc, Journal of Hydrology: Regional
Studies, v.40, 101051, 2022
53. Tomohiro Toki, Jun-ichiro Ishibashi, Yuji Onishi, Toshiro Yamanaka,
Kanako Yoshida, and Lena Maeda: Application of an automatic analyzer to
onboard analysis of nitrate concentration in a reductive fluid, Bulletin
of the Society of Sea Water Science, Japan, v.74 (4), 241-248, 2020
52. Harue Masuda, Haruka Yoshinishi, Shigeshi Fuchida, Tomohiro Toki, and Emilie Even: Vertical profiles of arsenic and arsenic species transformations in deep-sea sediment, Nankai Trough, offshore Japan, Progress in Earth and Planetary Science, v.6(1), 28-41, 2019, doi: 10.1186/s40645-019-0269-y
51. Akira Ijiri, Fumio Inagaki, Yusuke Kubo, Rishi R. Adhikari, Gail L.
Arnold, Juichiro Ashi, David Case, Tomas Feseker, Shohey Hattori, Tatsuhiko
Hoshino, Koichi Iijima, Yojiro Ikegawa, Hiroyuki Imachi, Jens Kallmeyer,
Shinsuke Kawagucci, Hidenori Kumagai, Mark A. Lever, Hideaki Matchiyama,
Yuki Morono, Ko-ichi Nakamura, Yuki Nakamura, Manabu Nishizawa, Yoko Ohtomo,
Hans Røy, Sanae Sakai, Frauke Schmidt, Ken Takai, Atsushi Tani, Wataru
Tanikawa, Takeshi Terada, Tomohiro Toki, Takayuki Tomiyama, Urumu Tsunogai,
Nan Xiao, Yasuhiko T. Yamaguchi, and Naohiro Yoshida: Deep-biosphere methane
production stimulated by geofluids in the Nankai accretionary complex,
Science Advances, v.4, 2018, doi:10.1126/sciadv.aao4631
50. Yuji Sano, Naoya Kinoshita, Takanori Kagoshima, Naoto Takahata, Susumu
Sakata, Tomohiro Toki, Shinsuke Kawagucci, Amane Waseda, Tefang Lan, Hsinyi
Wen, Ai-Ti Chen, Hsiaofen Lee, Tsanyao F. Yang, Guodong Zheng, Yama Tomonaga,
Emilie Roulleau, Daniele L. Pinti: Origin of methane-rich natural gas at
the West Pacific convergent plate boundary, Scientific Reports, v.7, 15646,
doi: 10.1038/s41598-017-15959-5
49. Tomohiro Toki, Kiichiro Kawamura, Urumu Tsunogai, and Toshitaka Gamo:
Microbial metabolism inferred from chemical and isotopic compositions of
pore water around bananas discovered on the deep-sea floor in the Tenryu
Submarine Canyon, JAMSTEC Report of Research and Development, v.25, 1-12,
2017, doi: 10.5918/jamstecr.25.1
48. Tatsuhiko Hoshino, Tomohiro Toki, Akira Ijiri, Yuki Morono, Hideaki
Machiyama, Ju-ichiro Ashi, Kei Okamura, and Fumio Inagaki: Atribacteria
from the subseafloor sedimentary biosphere disperse to the hydrosphere
through submarine mud volcanoes, Frontiers in Microbiology, v.8, 1135,
2017, doi: 10.3389/fmicb.2017.01135
47. Nobuko Hanada, Hirotaka Asada, Tessui Nakagawa, Hiroki Higa, Masayoshi
Ishida, Daichi Heshiki, Tomohiro Toki, Itoko Saita, Kohta Asano, Yumiko
Nakamura, Akitoshi Fujisawa, and Shinichi Miura: Effect of CO2 on hydrogen absorption in Ti-Zr-Mn-Cr based AB2 type alloys. Journal of Alloys and Compounds, v.705, 507-516, 2017
46. Sayaka Mino, Satoshi Nakagawa, Hiroko Makita, Tomohiro Toki, Junichi Miyazaki, Stefan M. Sievert, Martin F. Polz, Fumio Inagaki, Anne Godfroy, Shingo Kato, Hiromi Watanabe, Takuro Nunoura, Koichi Nakamura, Hiroyuki Imachi, Tomo-o Watsuji, Shigeaki Kojima, Ken Takai, and Tomoo Sawabe: Endemicity of the cosmopolitan mesophilic chemolithoautotroph Sulfurimonas at deep-sea hydrothermal vents, The ISME Journal, v.11, 909-919, 2017
45. Tomohiro Toki, Masataka Kinoshita, Sumito Morita, Harue Masuda, Harunur
Rashid, Haruka Yoshinishi, Takanori Nakano, and Takashi Noguchi: The vertical
chloride ion profile at the IODP Site C0002, Kumano Basin, off coast of
Japan, Tectonophysics, v.710, 88-96, 2017
44. Tomohiro Toki, Daigo Iwata, Urumu Tsunogai, Daisuke D. Komatsu, Yuji
Sano, Naoto Takahata, Hiroshi Hamasaki, Jun-ichiro Ishibashi: Formation
of gas discharging from Taketomi submarine hot spring off Ishigaki Island
in the southern Ryukyu Islands, Japan, Journal of Volcanology and Geothermal
Research, v.330, 24-35, 2017
43. Tomohiro Toki, Arito Hamamoto, Miki Tawata, Junichi Miyazaki, Kentaro
Nakamura, Mariko Abe, Ken Takai, Yuji Sano, Naoto Takahata, Urumu Tsunogai,
and Jun-ichiro Ishibashi: Methanogens in H2-rich hydrothermal fluids resulting from phase separation in a sediment-starved,
basalt-hosted hydrothermal system, Chemical Geology, v.447, 208-218, 2016
42. Tomohiro Toki, Michihiro Itoh, Daigo Iwata, Shogo Ohshima, Ryuichi
Shinjo, Jun-ichiro Ishibashi, Urumu Tsunogai, Naoto Takahata, Yuji Sano,
Toshiro Yamanaka, Akira Ijiri, Nobuaki Okabe, Toshitaka Gamo, Yasuyuki
Muramatsu, Yuichiro Ueno, Shinsuke Kawagucci, and Ken Takai: Geochemical
characteristics of hydrothermal fluids at Hatoma Knoll in the southern
Okinawa Trough, Geochemical Journal, v. 50, 2016, doi:10.2343/geochemj.2.0449
41. Andre Hüpers, Simone A. Kasemann, Achim J. Kopf, Anette Meixner, Tomohiro
Toki, Ryuichi Shinjo, C. Geoffrey Wheat, Chen-Feng You, Fluid flow and
water-rock interaction across the active Nankai Trough subduction zone
forearc revealed by boron isotope geochemistry, Geochimica et Cosmochimica
Acta, v. 193, 100-118, 2016
40. Hiroko Makita, Sakiko Kikuchi, Satoshi Mitsunobu, Yoshihiro Takaki,
Toshiro Yamanaka, Tomohiro Toki, Takuroh Noguchi, Kentaro Nakamura, Mariko
Abe, Miho Hirai, Masahiro Yamamoto, Katsuyuki Uematsu, Junichi Miyazaki,
Takuro Nunoura, Yoshio Takahashi, and Ken Takai, Comparative analysis of
microbial communities in iron-dominated flocculent mats in deep sea hydrothermal
environments, Applied and Environmental Microbiology, 10.1128/aem.01151-16,
2016
39. Tomohiro Toki, Kota Higa, and Ruichi Shinjo: Data report: boron isotope
ratios in interstitial waters from Sites C0021 and C0022. C0022. In Strasser,
M., Dugan, B., Kanagawa, K., Moore, G.F., Toczko, S., Maeda, L., and the
Expedition 338 Scientists, Proceedings of the Integrated Ocean Drilling
Program, 338: Yokohama (Integrated Ocean Drilling Program), doi:10.2204/iodp.proc.338.203.2015
38. Tomohiro Toki, Harue Masuda, Harunur Rashid, Sebastian Hammerschmidt,
and Ruichi Shinjo: Development of a new method of extraction of interstitial
water from low-porosity consolidated sediments recovered during super-deep
drilling projects. Geostandards and Geoanalytical Research, , v.40(2),
291-300, 2015, doi: 10.1111/j.1751-908X.2015.00366.x
37. Tomohiro Toki, Sawako Heshiki, and Ryuichi Shinjo: Improved method
for seawater lithium isotopic ratio determination using MC-ICP-MS, Bulletin
of the Society of Sea Water Science, Japan, v.69(5), 326-331, 2015
36. Jun-ichiro Ishibashi, Urumu Tsunogai, Tomohiro Toki, Naoya Ebina, Toshitaka
Gamo, Yuji Sano, Harue Masuda, Hitoshi Chiba: Chemical composition of hydrothermal
fluids in the central and southern Mariana trough backarc basin, Deep-Sea
Research Part II, v.121, 126-136, 2015, http://dx.doi.org/10.1016/j.dsr2.2015.06.003
35. Tomohiro Toki, Jun-ichiro Ishibashi, Takuroh Noguchi, Miki Tawata,
Urumu Tsunogai, Kentaro Nakamaura, Chemical and isotopic compositions of
hydrothermal fluids at Snail, Archaean, Pika, and Urashima sites in the
southern Mariana Trough, In: Subseafloor Biosphere Linked to Global Hydrothermal
Systems; TAIGA Concept, Kyoko Okino, Jun-ichiro Ishibashi and Michinari
Sunamura (eds.), Springer, Tokyo Heidelberg New York Dordrecht London,
pp. 587-602, 2015
34. Toshiro Yamanaka, Hiromi Nagashio, Ryu Nishio, Kazuna Kondo, Takuroh
Noguchi, Kei Okamura, Takuro Nunoura, Hiroko Makita, Kentaro Nakamura,
Hiromi Watanabe, Kazuhiro Inoue, Tomohiro Toki, Kouichiro Iguchi, Urumu
Tsunogai, Ryoichi Nakada, Shogo Ohshima, Shin Toyoda, Jun Kawai, Naohiro
Yoshida, Akira Ijiri, Michinari Sunamura: Tarama Knoll: Geochemical and
biological profiles of hydrothermal activity, In: Subseafloor Biosphere
Linked to Global Hydrothermal Systems; TAIGA Concept, Kyoko Okino, Jun-ichiro
Ishibashi and Michinari Sunamura (eds.), Springer, Tokyo Heidelberg New
York Dordrecht London, pp. 497-504, 2015
33. Yoshiro Nishio, Akira Ijiri, Tomohiro Toki, Yuki Morono, Masaharu Tanimizu,
Kazuya Nagaishi, and Fumio Inagaki: Origins of lithium in submarine mud
volcano fluid in the Nankai accretionary wedge, Earth and Planetary Science
Letters, v.414, 144-155, 2015, http://dx.doi.org/10.1016/j.epsl.2015.01.018
32. Masataka Kinoshita, Hiroaki Fukase, Shusaku Goto, and Tomohiro Toki: In situ thermal excursions detected in the Nankai Trough forearc slope sediment at IODP NanTroSEIZE Site C0008, Earth, Planets and Space, v.67, 1-9, 2015, 10.1186/s40623-014-0171-1
31. Tomohiro Toki, Ryosaku Higa, Akira Ijiri, Urumu Tsunogai, and Juichiro
Ashi: Sources of seepage fluids and the distribution and migration of pore
fluids inferred from the chemical and isotopic compositions of pore water
from sediment of cold seep sites off Kumano, Earth, Planets and Space,
v.66, 137, 2014, doi:10.1186/s40623-014-0137-3
30. Jun-ichiro Ishibashi, Takuroh Noguchi, Tomohiro Toki, Shunsuke Miyabe,
Shosei Yamagami, Yuji Onishi, Toshiro Yamanaka, Yuka Yokoyama, Rieko Omori,
Yoshio Takahashi, Kenta Hatada, Joe Nakaguchi, Motoko Yoshizaki, Yuta Konno,
Takazo Shibuya, Ken Takai, Fumio Inagaki, and Shinsuke Kawagucci, Diversity
of fluid geochemistry affected by processes during fluid upwelling in active
hydrothermal fields in the Izena Hole, the middle Okinawa Trough back-arc
basin, Geochemical Journal, v.48, 1-13, 2014, doi:10.2343/geochemj.2.0311
29. Yoshifumi Kawada, Tomohiro Toki, Masataka Kinoshita, Masato Joshima,
Ryosaku Higa, Takafumi Kasaya, Urumu Tsunogai, Kiyokazu Nishimura, and
Kiyoyuki Kisimoto: Tracing geologically constrained fluid flow pathways
using a combination of heat flow measurements, pore water chemistry, and
acoustic imaging near the deformation front of the Nankai Trough off the
Muroto Peninsula, Japan, Tectonophysics, v.618(0), 121-137, http://dx.doi.org/10.1016/j.tecto.2014.01.035
28. Shigeshi Fuchida, Yuki Mizuno, Tomohiro Toki, and Harue Masuda, Concentrations
and distributions of amino acids in black and white smoker fluids at temperature
over 200°C, Organic Geochemistry, v.66, 98-106, http://dx.doi.org/10.1016/j.orggeochem.2013.11.008,
2013
27. 土岐 知弘，比嘉 良作，棚原 朗，井尻 暁，角皆 潤，芦 寿一朗: 熊野泥火山における間隙水の起源，地球化学，v.47(4), 221-236,
2013
26. Toshiro Yamanaka, Kotaro Maeto, Hironori Akashi, Jun-ichiro Ishibashi,
Youko Miyoshi, Kei Okamura, Takuroh Noguchi, Yooshihiro Kuwahara, Tomohiro
Toki, Urumu Tsunogai, Tamaki Ura, Takeshi Nakatani, Toshihiro Maki, Kaoru
Kubokawa, and Hitoshi Chiba: Magmatic water-rich shallow-water submarine
hydrothermal activity bearing talc chimney at the Wakamiko crater in Kagoshima
Bay, Southern Kyushu, Japan, Journal of Volcanology and Geothermal Research,
v.258(0), 74-84, doi: 10.1016/j.jvolgeores.2013.04.007
25. Sayaka Mino, Hiroko Maikita, Tomohiro Toki, Junichi Miyazaki, Shingo
Kato, Hiromi Watanabe, Hiroyuki Imachi, Tomo-o Watsuji, Takuro Nunoura,
Shigeaki Kojima, Tomoo Sawabe, Ken Takai, and Satoshi Nakagawa: Biogeography
of Persephonella in deep-sea hydrothermal vents of the Western Pacific,
Frontier in Extreme Microbiology, v.4, 107, doi: 10.3389/fmicb.2013.00107,
2013
24. Kentaro Nakamura, Tomohiro Toki, Nobutatsu Mochizuki, Miho Asada, Jun-ichiro
Ishibashi, Yoshifumi Nogi, Shuro Yoshikawa, and Kyoko Okino: Discovery
of a new hydrothermal vent site in the Southern Mariana Trough based on
geophysical surveys using the AUV Urashima, Deep-Sea Research Part I, v.74,
1-10, 2013
23. Shinsuke Kawagucci, Yuichiro Ueno, Ken Takai, Tomohiro Toki, Michihiro
Ito, Kazuhiro Inoue, Akiko Makabe, Naohiro Yoshida, Yasuyuki Muramatsu,
Naoto Takahata, Yuji Sano, Taku Narita, Genta Teranishi, Hajime Obata,
Satoshi Nakagawa, Takuro Nunoura, and Toshitaka Gamo, Geochemical origin
of hydrothermal fluid methane in sediment-associated fields and its relevance
to the geographical distribution of whole hydrothermal circulation, Chemical
Geology, v.339, 213–225, 2013, 10.1016/j.chemgeo.2012.05.003.
22. 土岐 知弘，本田 龍太郎，大嶺 一希，角皆 潤, 小松 大祐, 佐野 有司，高畑 直人，木下 正高，山城 秀之: 沖縄本島北部屋我地島沿岸における湧出ガスの起源,
地球化学, v.46(4), 257-274, 2012
21. Urumu Tsunogai, Kenji Maegawa, Shintaro Sato, Dasiuke D. Komatsu, Fumiko
Nakagawa, Tomohiro Toki, and Juichiro Ashi: Coseimic massive methane release
from a submarine mud volcano, Earth and Planetary Science Letters, v.341-344,
79–85, 2012, doi: 10.1016/j.epsl.2012.06.004
20. Tomohiro Toki, Yuto Uehara, Kazunari Kinjo, Akira Ijiri, Urumu Tsunogai,
Hitoshi Tomaru, and Juichiro Ashi: Methane production and accumulation
in the Nankai accretionary prism: Results from IODP Expeditions 315 and
316, Geochemical Journal, v.46(2), 89-106, 2012
19. Yukari Yoshida-Takashima, Takuro Nunoura, Hiromi Kazama, Takuroh Noguchi,
Kazuhiro Inoue, Hironori Akashi, Toshiro Yamanaka, Tomohiro Toki, Masahiro
Yamamoto, Yasuo Furushima, Yuichiro Ueno, Hiroyuki Yamamoto, and Ken Takai:
Spatial distribution of viruses associated with planktonic and adhesive
microbial communities in hydrothermal environments, Applied and Environmental
Microbiology, v.78(5), 1311-1320, 2012, doi: 10.1128/AEM.06491-11
18. Hiroshi Izumi, Takuro Nunoura, Masayuki Miyazaki, Sayaka Mino, Tomohiro Toki, Ken Takai, Yoshihiko Sako, Tomoo Sawabe, and Satoshi Nakagawa: Thermotomaculum hydrothermalis gen. nov., sp. nov., a novel heterotrophic thermophile within the phylum Acidobacteria from a deep-sea hydrothermal vent chimney in the Southern Okinawa Trough, Extremophiles, v.16, 245-253, 2012, doi: 10.1007/s00792-011-0425-9
17. Tomohiro Toki, Kenji Maegawa, Urumu Tsunogai, Shinsuke Kawagucci, Naoto
Takahata, Yuji Sano, Juichiro Ashi, Masataka Kinoshita, and Toshitaka Gamo:
Gas chemistry of pore fluids from Oomine Ridge on the Nankai accretionary
prism, In: Accretionary Prisms and Convergent Margin Tectonics in the Northwest
Pacific Basin, Modern Approaches in Solid Earth Sciences, Yujiro Ogawa,
Ryo Anma, and Yildirim Dilek, (eds.), Springer, v.8, 247-262, 2011, doi:
10.1007/978-90-481-8885-7_12
16. Shinsuke Kawagucci, Hitoshi Chiba, Jun-ichiro Ishibashi, Toshiro Yamanaka,
Tomohiro Toki, Yasuyuki Muramatsu, Yuichiro Ueno, Akiko Makabe, Kazuhiro
Inoue, Naohiro Yoshida, Satoshi Nakagawa, Takuro Nunoura, Ken Takai, Naoto
Takahata, Yuji Sano, Taku Narita, Genta Teranishi, Hajime Obata and Toshitaka
Gamo: Hydrothermal fluid geochemistry at the Iheya North field in the mid-Okinawa
Trough: Implication for origin of methane in subseafloor fluid circulation
systems, Geochemical Journal, v.45(2), 109-124, 2011
15. Tomo-o Watsuji, Satoshi Nakagawa, Shinji Tsuchida, Tomohiro Toki, Akinari Hirota, Urumu Tsunogai and Ken Takai: Diversity and Function of Epibiotic Microbial Communities on the Galatheid Crab, Shinkaia crosnieri, Microbes and Environments, v.25(4), 288-294, 2010, doi:10.1264/jsme2.ME10135
14. Shinsuke Kawagucci, Tomohiro Toki, Jun-ichiro Ishibashi, Ken Takai,
Michihiro Ito, Tamotsu Oomori, and Toshitaka Gamo: Isotopic variation of
molecular hydrogen in 20-375 ºC hydrothermal fluids as detected by a new
analytical method, Journal of Geophysical Research – Biogeoscience, v.115(G3),
G03021, 2010, doi:10.1029/2009JG001203
13. Junichi Miyazaki, Ryosaku Higa, Tomohiro Toki, Juichiro Ashi, Urumu
Tsunogai, Takuro Nunoura, Hiroyuki Imachi, and Ken Takai: Molecular characterization
of potential nitrogen fixation by anaerobic methane oxidizing archaea in
the methane-seep sediments at the No. 8 Kumano Knoll in the Kumano Basin,
off shore of Japan, Applied and Environmental Microbiology, v.75(22), 7153-7162,
2009, doi:10.1128/AEM.01184-09
12. Shingo Kato, Katsunori Yanagawa, Michinari Sunamura, Yoshinori Takano, Jun-ichiro Ishibashi, Takeshi Kakegawa, Motoo Utsumi, Toshiro Yamanaka, Tomohiro Toki, Takuroh Noguchi, Kensei Kobayashi, Arimichi Moroi, Hiroyuki Kimura, Yutaka Kawarabayashi, Katsumi Marumo, Tetsuro Urabe, and Akihiko Yamagishi: Abundance of Zetaproteobacteria within crustal fluids in back-arc hydrothermal fields of the Southern Mariana Trough, Environmental Microbiology, v.11(8), 2094-2111, 2009, doi:10.1111/j.1462-2920.2009.02031.x
11. Hidenori Kumagai, Kentaro Nakamura, Tomohiro Toki, Tomoaki Morishita,
Kyoko Okino, Jun-ichiro Ishibashi, Urumu Tsunogai, Shinsuke Kawagucci,
Toshitaka Gamo, Takazo Shibuya, Takashi Sawaguchi, Natsuki Neo, Masato
Joshima, Taichi Sato, and Ken Takai: Geological background of the Kairei
and Edmond hydrothermal fields along the Central Indian Ridge: Implications
for the distinct chemistry between their vent fluids, Geofluids, v.8, 239-251,
2008, doi:10.1111/j.1468-8123.2008.00223.x
10. Tomohiro Toki, Urumu Tsunogai, Jun-ichiro Ishibashi, Motoo Utsumi,
and Toshitaka Gamo: Methane enrichment in low-temperature hydrothermal
fluids from the Suiyo Seamount in the Izu-Bonin Arc of the western Pacific
Ocean, Journal of Geophysical Research, v.113, B08S13, 2008, doi:10.1029/2007JB005476
9. Ken Takai, Kentaro Nakamura, Tomohiro Toki, Urumu Tsunogai, Masayuki Miyazaki, Junichi Miyazaki, Hisako Hirayama, Satoshi Nakagawa, Takuro Nunoura, and Koki Horikoshi: Cell proliferation at 122°C and isotopically heavy CH4 production by a hyperthermophilic methanogen under high-pressure cultivation, Proceedings of the National Academy of Sciences of the United States of America, v.105(31), 10,949-10,954, 2008, doi:10.1073/pnas.0712334105
8. Alrum Armid, Shigeru Ohde, Ryuichi Shinjo, and Tomohiro Toki: Determination
of uranium in pore water from coastal sediment by standard addition ICP-MS
analysis, Journal of Radioanalytical and Nuclear Chemistry, v.275(1), 233–237,
2008, doi:10.1007/s10967-007-6997-2
7. Tomohiro Toki, Urumu Tsunogai, Toshitaka Gamo, and Manabu Tanahashi:
Geochemical studies of pore fluid in surface sediment on the Daini Atsumi
Knoll, Journal of Geochemical Exploration, v.95, 29-39, 2007, doi:10.1016/j.gexplo.2007.05.009
6. Tetsuro Hirono, Urumu Tsunogai, Kenji Maegawa, Tomohiro Toki, Masaharu Tanimizu, Wonn Soh, Weiren Lin, En-Chao Yeh, Sheng-Rong Song, and Chien-Ying Wang: Chemical and isotopic characteristics of interstitial fluids within the Taiwan Chelungpu fault, Geochemical Journal, v.41(2), 97-102, 2007
5. Tomohiro Toki, Toshitaka Gamo, and Urumu Tsunogai: Origins of hydrocarbons
in the Sagara oil field, central Japan, The Island Arc, v.15, 285-291,
2006, doi:10.1111/j.1440-1738.2006.00528.x
4. Takuro Nunoura, Hanako Oida, Tomohiro Toki, Juichiro Ashi, Ken Takai,
and Koki Horikoshi: Quantification of mcrA by quantitative fluorescent
PCR in sediments from methane seep of the Nankai Trough, FEMS Microbiology
Ecology, v.57, 149-157, 2006, doi:10.1111/j.1574-6941.2006.00101.x
3. Tomohiro Toki, Urumu Tsunogai, Toshitaka Gamo, Shin’ichi Kuramoto, and Juichiro Ashi: Detection of low-chloride fluids beneath a cold seep field on the Nankai accretionary wedge off Kumano, south of Japan, Earth and Planetary Science Letters, v.228, 37-47, 2004, doi:10.1016/j.epsl.2004.09.007
2. 角皆 潤, 土岐 知弘, 中山 典子, 蒲生 俊敬, 加藤 博之, 金子 将: 潜水調査船用多連式ガスタイト海底湧水採取装置の開発, 地球化学,
v.37, 101-109, 2003
1. 土岐 知弘, 角皆 潤, 蒲生 俊敬, 皆川 昌幸: 海水中のメタンを指標に用いた三宅島周辺海底における火山活動調査の結果について, 火山, v.48, 63-67, 2003
プロシーディング
1. Tomohiro Toki, Urumu Tsunogai, Toshitaka Gamo, and Manabu Tanahashi: Origin of methane in surface sediment from North flank of Daini-Atsumi Knoll, Proceedings of the International Symposium on Methane Hydrates and Fluid Flow in Upper Accretionary Prisms (Prism Fluid 2004), 52-61, 2004
総説
4. 土岐 知弘: 琉球諸島周辺におけるメタンを主成分とする地殻内部流体の分布と地質背景との関連性, 地球化学, v.47(2), 53-69,
2013
3. Shingo Kato, Kentaro Nakamura, Tomohiro Toki, Jun-ichiro Ishibashi,
Urumu Tsunogai, Akinori Hirota, Moriya Ohkuma, and Akihiko Yamagishi: Iron-based
microbial ecosystem on and below the seafloor: a case study of hydrothermal
fields of the Southern Mariana Trough, Frontiers in Microbiological Chemistry,
v.3, 89, 2012, doi: 10.3389/fmicb.2012.00089
2. 川口 慎介, 土岐 知弘: 海底下地殻内流体系のメタンの起源, 地球化学, v.44，137-154, 2010
1. 石橋 純一郎, 中村 光一, 岡村 慶, 下島 公紀, 土岐 知弘, 角皆 潤: 海底熱水活動地帯の化学環境を明らかにする試み, 海の研究,
v.14, 251-266, 2005
著書
5. 石橋 純一郎, 正木 裕香, 岡村 慶, 野口 拓郎, 土岐 知弘, 新城 竜一: 地質調査で採取された堆積物試料中の間隙水の地球化学的解析,
SIP 『次世代海洋資源調査技術』（海のジパング計画） 海底熱水鉱床の調査技術プロトコル, 木川 栄一編, 52, 2017, 国立研究開発法人海洋研究開発機構次世代海洋資源調査技術研究開発プロジェクトチーム,
横須賀, 61 pp.
4. Tomohiro Toki: When do you research hydrothermal systems? Now!, Nature
in the Ryukyu Archipelago, Coral Reefs, Biodiversity, and the Natural Environment,
Eds. Kazuhiko Fujita, Takemitsu Arakaki, Tetsuo Denda, Michio Hidaka, Euichi
Hirose, and James Davis Reimer, 120-121, 2015, International Research Hub
Project for Climate Change and Coral Reef/Island Dynamics, Faculty of Science,
University of the Ryukyus, Okinawa, Japan, 151 pp.
3. 土岐 知弘: 海底熱水研究なう＠沖縄トラフ, 琉球列島の自然講座 サンゴ礁・島の生き物たち・自然環境, 琉球大学理学部「琉球列島の自然講座」編集委員会編,
160-161, 2015, ボーダーインク, 207 pp.
2. 石橋 純一郎, 土岐 知弘: 深海の化学, 深海生物研究の現在--潜水調査船が観た深海生物の生態, 奥谷 喬司・藤倉 克則・丸山 正編,
10-22, 2008, 東海大学出版会, 487 pp.
1. 佐野 有司, 土岐 知弘: 気体成分, 先端の分析法 理工学からナノ・バイオまで, 梅澤 喜夫, 澤田 嗣郎, 寺部 茂監修, 875-882,
2004, （株）エヌ・ティー・エス, 1000 pp.
報告書
7. 土岐 知弘: 泥火山研究における地球化学の役割と課題, 琉球大学理学部紀要, v.108, 1-26, 2020
6. 伊藤 涼, 仲宗根 桂子, 土岐 知弘: バガスの熱分解時発生気体の捕集実験, 琉球大学理学部紀要, v.102, 1-6, 2016
5. 土岐 知弘, 平山 仙子, 大嶋 将吾: 屋我地島沿岸海底のメタン湧出域から採取したバクテリアマットの微生物群集構造, 琉球大学理学部紀要,
v.100, 5-12, 2015
4. 土岐 知弘, 古川 雅英, 吉村 浩, 神田 洋司, 白 大烈, 藤田 和彦, 藤村 弘行: 南西諸島南部海域における地球化学的・地質学的調査―長崎丸RN10航海報告
―, 琉球大学理学部紀要, v.91, 9-19, 2011
3. 土岐 知弘, 角皆 潤, 蒲生 俊敬: 時系列採水装置による南海トラフ付加体の地球化学的観測, 月刊地球号外, v.51, 204-212,
2005
2. 芦 寿一郎, 倉本 真一, 森田 澄人, 角皆 潤, 後藤 秀作, 小島 茂明, 岡本 拓士, 石村 豊穂, 井尻 暁, 土岐 知弘, 工藤 新吾, 浅井 聡子, 内海 真生: 熊野沖南海トラフ付加プリズムの地質構造と冷湧水−YK01-04 Leg2熊野沖調査概要−, JAMSTEC深海研究, v.20, 1-8, 2002
1. 土岐 知弘, 蒲生 俊敬, 山中 寿朗, 石橋 純一郎, 角皆 潤, 松林 修: 南海トラフ付加体内部から表層堆積物へのメタン供給, 地質調査所月報,
v.52, 1-8, 2001
その他
4. Tatsuo Nozaki, Toshiro Nagase, Takayuki Ushikubo, Kenji Shimizu, Jun-ichiro
Ishibashi, and the D/V Chikyu Expedition 909 Scientists: Microbial sulfate
reduction plays an important role at the initial stage of subseafloor sulfide
mineralization, Geology, v.49(2), 222-227, 2020, doi:10.1130/g47943.1
3. Gregory F. Moore, Kyuichi Kanagawa, Michael Strasser, Brandon Dugan,
Lena Maeda, Sean Toczko, and the IODP Expedition 338 Scientific Party,
IODP Expedition 338: NanTroSEIZE Stage 3: NanTroSEIZE plate boundary deep
riser 2, Scientific Drilling, v.17, p.1-12, 2014, doi:10.5194/sd-17-1-2014
2. Gregory F. Moore, Kyuichi Kanagawa, Michael Strasser, Brandon Dugan, Lena Maeda, Sean Toczko, and the Expedition 338 Scientists, NanTroSEIZE Stage 3: NanTroSEIZE plate boundary deep riser 2, IODP Preliminary Report, v.338, 81 pp., 2013, Integrated Ocean Drilling Program Management International, Inc., doi:10.2204/iodp.pr.338.2013
1. Kiichiro Kawamura, Yujiro Ogawa, Ryo Anma, Shunji Yokoyama, Shunsuke
Kawakami, Yildirim Dilek, Gregory F. Moore, Satoshi Hirano, Asuka Yamaguchi,
Tomoyuki Sasaki and YK05-08 Leg2 and YK06-02 Shipboard Scientific Parties:
Structural architecture and active deformation of the Nankai Accretionary
Prism, Japan: Submersible survey results from the Tenryu Submarine Canyon,
Geological Society of America Bulletin, v.121(11/12), p.1629-1646, 2009,
doi:10.1130/B26219.1
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