Papers - TSUNOGAI Urumu
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Polar and neutral isopranyl glycerol ether lipids as biomarkers of archaea in near-surface sediments from the Nankai Trough Reviewed
Oba, Masahiro, Sakata, Susumu, Tsunogai, Urumu
ORGANIC GEOCHEMISTRY Vol. 37 ( 12 ) page: 1643-1654 2006
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Stable isotopic compositions of methane and carbon monoxide in the Suiyo hydrothermal plume, Izu-Bonin arc: Tracers for microbial consumption/production Reviewed
Tsunogai, U, Nakagawa, F, Gamo, T, Ishibashi, J
EARTH AND PLANETARY SCIENCE LETTERS Vol. 237 ( 40972 ) page: 326-340 2005.9
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Geochemical studies on submarine groundwater discharges in Toyama Bay using methane as a tracer Reviewed
Kameyama, S., U. Tsunogai, T. Gamo, J. Zhang, M. Suzuki, and Y. Koyama
Chikyukagaku (Geochemistry) Vol. 39 page: 131-140 2005.8
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An analytical system for determining delta O-17 in CO2 using continuous flow-isotope ratio MS Reviewed
Kawagucci, S, Tsunogai, U, Kudo, S, Nakagawa, F, Honda, H , Aoki, S, Nakazawa, T, Gamo, T
ANALYTICAL CHEMISTRY Vol. 77 ( 14 ) page: 4509-4514 2005.7
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Geochemical studies on the microbial activities within the Suiyo seamount hydrothermal plume, Izu-Bonin arc Invited Reviewed
Ishibashi, J., K. Nakamura, K. Okamura, K. Shitashima, T. Toki, U. Tsunogai
Oceanogr. Japan Vol. 14 ( 2 ) page: 251-266 2005.3
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Geochemical studies on the microbial activities within the Suiyo seamount hydrothermal plume, Izu-Bonin arc Invited Reviewed
Tsunogai, U., F. Nakagawa, and K. Okamura
Oceanogr. Japan Vol. 14 ( 2 ) page: 279-295 2005.3
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A selective unsaturated hydrocarbon subtraction technique for stable carbon isotopic analysis of atmospheric methyl chloride, methyl bromide, and C(2)-C(5) saturated hydrocarbons using continuous-flow isotope ratio mass spectrometry Reviewed
Komatsu, DD, Tsunogai, U, Yamaguchi, J, Nakagawa, F
RAPID COMMUNICATIONS IN MASS SPECTROMETRY Vol. 19 ( 4 ) page: 477-483 2005
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Automobile exhaust as a source of C-13- and D-enriched atmospheric methane in urban areas Reviewed
Nakagawa, F, Tsunogai, U, Komatsu, DD, Yamada, K, Yoshida, N , Moriizumi, J, Nagamine, K, Iida, T, Ikebe, Y
ORGANIC GEOCHEMISTRY Vol. 36 ( 5 ) page: 727-738 2005
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Characterization of C-1-metabolizing prokaryotic communities in methane seep habitats at the Kuroshima Knoll, southern Ryukyu arc, by analyzing pmoA, mmoX, mxaF, mcrA, and 16S rRNA genes Reviewed
Inagaki, F, Tsunogai, U, Suzuki, M, Kosaka, A, Machiyama, H , Takai, K, Nunoura, T, Nealson, KH, Horikoshi, K
APPLIED AND ENVIRONMENTAL MICROBIOLOGY Vol. 70 ( 12 ) page: 7445-7455 2004.12
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Detection of low-chloride fluids beneath a cold seep field on the Nankai accretionary wedge off Kumano, south of Japan Reviewed
Toki, T, Tsunogai, U, Gamo, T, Kuramoto, S, Ashi, J
EARTH AND PLANETARY SCIENCE LETTERS Vol. 228 ( 40910 ) page: 37-47 2004.11
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Geochemical and microbiological evidence for a hydrogen-based, hyperthermophilic subsurface lithoautotrophic microbial ecosystem (HyperSLiME) beneath an active deep-sea hydrothermal field Reviewed
Takai, K, Gamo, T, Tsunogai, U, Nakayama, N, Hirayama, H, Nealson, KH, Horikoshi, K
EXTREMOPHILES Vol. 8 ( 4 ) page: 269-282 2004.8
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Stable isotopic compositions and fractionations of carbon monoxide at coastal and open ocean stations in the Pacific Reviewed
Nakagawa, F, Tsunogai, U, Gamo, T, Yoshida, N
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS Vol. 109 ( C6 ) 2004.6
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Geophysical and geochemical observations on actively seeping hydrocarbon gases on the south-eastern Yellow Sea continental shelf Reviewed
Jeong, KS, Cho, JH, Kim, SR, Hyun, S, Tsunogai, U
GEO-MARINE LETTERS Vol. 24 ( 1 ) page: 53-62 2004.2
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Stable carbon and oxygen isotopic determination of sub-microgram quantities of CaCO3 to analyze individual foraminiferal shells Reviewed
Ishimura, T, Tsunogai, U, Gamo, T
RAPID COMMUNICATIONS IN MASS SPECTROMETRY Vol. 18 ( 23 ) page: 2883-2888 2004
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Discovery of a new hydrothermal venting site in the southernmost Mariana Arc: Al-rich hydrothermal plumes and white smoker activity associated with biogenic methane Reviewed
Gamo, T, Masuda, H, Yamanaka, T, Okamura, K, Ishibashi, J , Nakayama, E, Obata, H, Shitashima, K, Nishio, Y, Hasumoto, H, Watanabe, M, Mitsuzawa, K, Seama, N, Tsunogai, U, Kouzuma, F, Sano, Y
GEOCHEMICAL JOURNAL Vol. 38 ( 6 ) page: 527-534 2004
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An updated estimation of the stable carbon and oxygen isotopic compositions of automobile CO emissions Reviewed
Tsunogai, U, Hachisu, Y, Komatsu, DD, Nakagawa, F, Gamo, T , Akiyama, K
ATMOSPHERIC ENVIRONMENT Vol. 37 ( 35 ) page: 4901-4910 2003.11
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WHATS: a new multi-bottle gas-tight sampler for sea-floor vent fluids Reviewed
Tsunogai, U., T. Toki, N. Nakayama, T. Gamo, H. Kato and S. Kaneko
Chikyukagaku (Geochemistry) Vol. 37 ( 3 ) page: 101-109 2003.8
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Stable isotope evidence for a putative endosymbiont-based lithotrophic Bathymodiolus sp mussel community atop a serpentine seamount Reviewed
Yamanaka, T, Mizota, C, Satake, H, Kouzuma, F, Gamo, T, Tsunogai, U, Miwa, T, Fujioka, K
GEOMICROBIOLOGY JOURNAL Vol. 20 ( 3 ) page: 185-197 2003.5
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Geochemical Exploration of Volcanic Activity on the Sea Floor Using CH4 as a Tracer : Miyakejima Volcano, Izu-Bonin Arc, Japan Reviewed
Toki, T., U. Tsunogai, T. Gamo, and M. Minakawa
Bull. Volcano. Soc. Japan Vol. 48 ( 1 ) page: 63-67 2003
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A simple method for oxygen-18 determination of milligram quantities of water using NaHCO3 reagent Reviewed
Ijiri, A, Tsunogai, U, Gamo, T
RAPID COMMUNICATIONS IN MASS SPECTROMETRY Vol. 17 ( 13 ) page: 1472-1478 2003