Papers - TSUNOGAI Urumu
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Stable carbon and oxygen isotopic analysis of atmospheric carbon monoxide using continuous-flow isotope ratio MS by isotope ratio monitoring of CO Reviewed
Tsunogai, U, Nakagawa, F, Komatsu, DD, Gamo, T
ANALYTICAL CHEMISTRY Vol. 74 ( 22 ) page: 5695-5700 2002.11
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Carbon isotopic evidence of methane oxidation through sulfate reduction in sediment beneath cold seep vents on the seafloor at Nankai Trough Reviewed
Tsunogai, U, Yoshida, N, Gamo, T
MARINE GEOLOGY Vol. 187 ( 40910 ) page: 145-160 2002.7
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Surface expression of fluid venting at the toe of the Nankai wedge and implications for flow paths Reviewed
Henry, P, Lallemant, S, Nakamura, K, Tsunogai, U, Mazzotti, S, Kobayashi, K
MARINE GEOLOGY Vol. 187 ( 40910 ) page: 119-143 2002.7
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Stable carbon isotopic compositions of light hydrocarbons over the western North Pacific and implication for their photochemical ages Reviewed
Saito, T, Tsunogai, U, Kawamura, K, Nakatsuka, T, Yoshida, N
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES Vol. 107 ( D4 ) 2002.2
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Production mechanism and global budget of N2O inferred from its isotopomers in the western North Pacific Reviewed
Toyoda, S, Yoshida, N, Miwa, T, Matsui, Y, Yamagishi, H, Tsunogai, U, Nojiri, Y, Tsurushima, N
GEOPHYSICAL RESEARCH LETTERS Vol. 29 ( 3 ) 2002.2
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Stable carbon isotopic studies of volatile components in seafloor venting hydrothermal and cold seep fluids, using CF-IRMS Invited Reviewed
Urumu Tsunogai
Chikyukagaku (Geochemistry) Vol. 36 ( 1 ) page: 51-63 2002
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Chemical characteristics of newly discovered black smoker fluids and associated hydrothermal plumes at the Rodriguez Triple Junction, Central Indian Ridge Reviewed
Gamo, T, Chiba, H, Yamanaka, T, Okudaira, T, Hashimoto, J , Tsuchida, S, Ishibashi, J, Kataoka, S, Tsunogai, U, Okamura, K, Sano, Y, Shinjo, R
EARTH AND PLANETARY SCIENCE LETTERS Vol. 193 ( 40972 ) page: 371-379 2001.12
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Carbon isotopic distribution of methane in deep-sea hydrothermal plume, Myojin Knoll Caldera, Izu-Bonin arc: Implications for microbial methane oxidation in the oceans and applications to heat flux estimation Reviewed
Tsunogai, U, Yoshida, N, Ishibashi, J, Gamo, T
GEOCHIMICA ET COSMOCHIMICA ACTA Vol. 64 ( 14 ) page: 2439-2452 2000.7
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Stable carbon and oxygen isotopic analysis of carbon monoxide in natural waters Reviewed
Tsunogai, U, Nakagawa, F, Hachisu, Y, Yoshida, N
RAPID COMMUNICATIONS IN MASS SPECTROMETRY Vol. 14 ( 16 ) page: 1507-1512 2000
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Carbon isotopic compositions of C2-C5 hydrocarbons and methyl chloride in urban, coastal, and maritime atmospheres over the western North Pacific Reviewed
Tsunogai, U, Yoshida, N, Gamo, T
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES Vol. 104 ( D13 ) page: 16033-16039 1999.7
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Carbon isotope measurement of extremely low amounts of CH4: Application to volcanic gases from Satsuma-Iwojima, Japan Reviewed
Sato, M, Tsunogai, U, Ishibashi, J, Notsu, K, Wakita, H
ANALYTICAL SCIENCES Vol. 15 ( 6 ) page: 513-516 1999.6
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Origin of 13C-enriched methane in the crater lake Towada, Japan Reviewed
Nishimura, R, Tsunogai, U, Ishibashi, J, Wakita, H, Nojiri, Y
GEOCHEMICAL JOURNAL Vol. 33 ( 4 ) page: 277-283 1999
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Methane-rich plumes in the Suruga Trough (Japan) and their carbon isotopic characterization Reviewed
Tsunogai, U, Ishibashi, J, Wakita, H, Gamo, T
EARTH AND PLANETARY SCIENCE LETTERS Vol. 160 ( 40910 ) page: 97-105 1998.7
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Neutron activation analysis of deep sea sediments from the regions near Japan Reviewed
Minai, Y, Tsunogai, U, Takahashi, H, Ishibashi, J, Matsumoto, R, Tominaga, T
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY Vol. 216 ( 2 ) page: 265-277 1997.2
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Discrete scaling in earthquake precursory phenomena: Evidence in the Kobe earthquake, Japan Reviewed
Johansen, A, Sornette, D, Wakita, H, Tsunogai, U, Newman, WI , Saleur, H
JOURNAL DE PHYSIQUE I Vol. 6 ( 10 ) page: 1391-1402 1996.10
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Fresh water seepage and pore water recycling on the seafloor: Sagami Trough subduction zone, Japan Reviewed
Tsunogai, U, Ishibashi, J, Wakita, H, Gamo, T, Masuzawa, T , Nakatsuka, T, Nojiri, Y, Nakamura, T
EARTH AND PLANETARY SCIENCE LETTERS Vol. 138 ( 40912 ) page: 157-168 1996.2
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Anomalous changes in groundwater chemistry - Possible precursors of the 1995 Hyogo-ken Nanbu earthquake, Japan Reviewed
Tsunogai, U and Wakita, H
JOURNAL OF PHYSICS OF THE EARTH Vol. 44 ( 4 ) page: 381-390 1996
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Precursory chemical changes in ground water - Kobe Earthquake, Japan Reviewed
Tsunogai, U. and Wakita, H.
SCIENCE Vol. 269 ( 5220 ) page: 61-63 1995.7
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Peculiar features of Suiyo seamount hydrothermal fluids, Izu-Bonin arc: Differences from subaerial volcanism Reviewed
Tsunogai, U, Ishibashi, J, Wakita, H, Gamo, T, Watanabe, K, Kajimura, T, Kanayama, S, Sakai, H
EARTH AND PLANETARY SCIENCE LETTERS Vol. 126 ( 4 ) page: 289-301 1994.9