Papers - NAKAGAWA Fumiko
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Tracing the fate of atmospheric nitrate deposited onto a forest ecosystem in eastern Asia using Δ17O. Reviewed
Tsunogai, U., D.D. Komatsu, S. Daita, G.A. Kazemi, F. Nakagawa, I. Noguchi, and J. Zhang
Atmospheric Chemistry and Physics Vol. 10 page: 1809-1820 2010
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Determination of total N2 fixation rates in the ocean taking into account both the particulate and filtrate fractions. Reviewed
Konno, U., U. Tsunogai, D.D. Komatsu, S. Daita, F. Nakagawa, A.Tsuda, T. Matsui, Y.-J. Eum and K. Suzuki
Biogeosciences Vol. 7 page: 2369-2377 2010
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Simultaneous determination of δ15N and δ18O of N2O and δ13C of CH4 in nanomolar quantities from a single water sample. Reviewed
Hirota, A., U. Tsunogai, D. D. Komatsu, and F. Nakagawa
Rapid Commun. Mass Spectrom. Vol. 24 page: 1085-1092 2010
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Enrichment of nitrous oxide in a water column in the Bering and Chukchi Sea area. Reviewed
Hirota, A., A. Ijiri, D.D. Komatsu, S.B. Ohkubo, F. Nakagawa, and U. Tsunogai
Mar. Chem Vol. 116 page: 47-53 2010
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Enrichment of alkanes within a phytoplankton bloom during an in situ iron enrichment experiment in the western subarctic Pacific. Reviewed
Kameyama, S., U. Tsunogai, F. Nakagawa, M. Sasakawa, D.D. Komatsu, A. Ijiri, J. Yamaguchi, T. Horiguchi, H. Kawamura, A. Yamaguchi, and A. Tsuda
Mar. Chem. Vol. 115 page: 92-101 2009
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Enrichment of adsorbed methane in authigenic carbonate concretions. Reviewed
Ijiri, A., U. Tsunogai, T. Gamo, F. Nakagawa, T. Sakamoto, and S. Saito
Geo-Marine Letters Vol. 29 page: 301-308 2009
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Carbon isotopic characterization for the origin of excess methane in subsurface seawater. Reviewed
Sasakawa, M., U. Tsunogai, S. Kameyama, F. Nakagawa, Y. Nojiri, A. Tsuda
J. Geophys. Res. Vol. 113 page: C03012 2008
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Long-term observation of mass-independent oxygen isotope anomaly in stratospheric CO2. Reviewed
Kawagucci, S., U. Tsunogai, S. Kudo, F. Nakagawa, H. Honda, S. Aoki, T. Nakazawa, M. Tsutsumi, and T. Gamo
Atmos. Chem. Phys. Vol. 8 page: 6189-6197 2008
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Grain-scale heterogeneities in the stable carbon and oxygen isotopic compositions of the international standard calcite materials (NBS19, NBS18, IAEA-CO-1, and IAEA-CO-8). Reviewed
Ishimura, T., U. Tsunogai, and F. Nakagawa
Rapid Commun. Mass Spectrom. Vol. 22 page: 1925-1932 2008
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Determination of the 15N/14N, 17O/16O, and 18O/16O ratios of nitrous oxide by using continuous-flow isotope ratio mass spectrometry. Reviewed
Komatsu, D.D., T. Ishimura, F. Nakagawa, and U. Tsunogai
Rapid Commun. Mass Spectrom. Vol. 22 page: 1587-1596 2008
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Sensitive determinations of stable nitrogen isotopic composition of organic nitrogen through chemical conversion to N2O. Reviewed
Tsunogai, U., T. Kido, A. Hirota, S.B. Ohkubo, D.D. Komatsu, and F. Nakagawa
Rapid Commun. Mass Spectrom. Vol. 22 page: 345-354 2008
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Assessment of winter fluxes of CO2 and CH4 in boreal forest soils of central Alaska estimated by the profile method and the chamber method: a diagnosis of methane emission and implications for the regional carbon budget. Reviewed
Kim, Y.-S., N. Tanaka, F. Nakagawa, U. Tsunogai, M. Ueyama, Y. Harazono
Tellus Vol. 59B page: 223-233 2007
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Evidence for the Grazing Hypothesis: Grazing Reduces Phytoplankton Responses of the HNLC Ecosystem to Iron Enrichment in the Western Subarctic Pacific Reviewed
Tsuda A., S. Takeda, H. Saito, J. Nishioka, I. Kudo, Y. Nojiri, K. Suzuki, M. Uematsu, M.L. Wells, D. Tsumune, T. Yoshimura, T. Aono, T. Aramaki, W.P. Cochlan, M. Hayakawa, K. Imai, T. Isada, Y. Iwamoto, W. K. Johnson, S. Kameyama, S. Kato, H. Kiyosawa, Y. Kondo, M. Levasseur, R.J. Machida, I. Nagao, F. Nakagawa, T. Nakanishi, S. Nakatsuka, A. Narita, Y. Noiri, H. Obata, H. Ogawa, K. Oguma, T. Ono, T. Sakuragi, M. Sasakawa, M. Sato, A. Shimamoto, H. Takata, C.G. Trick, Y.W. Watanabe, C.S. Wong and N. Yoshie
J. Oceanography Vol. 63 page: 983-994 2007
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安定同位体組成を指標に用いた大気-海洋間の物質循環解析
角皆 潤・中川書子・笹川基樹・亀山宗彦
環境循環系診断のための同位体トレーサー技術電子モノグラフ Vol. 2 page: 47-53 2006
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Development of two-dimensional gas chromatography / isotope ratio mass spectrometry for the stable carbon isotopic analysis of C2-C5 non-methane hydrocarbons emitted from biomass burning Reviewed
Nara H., F. Nakagawa, and N. Yoshida
Rapid Commun. Mass Spectrom. Vol. 20 page: 241-247 2006
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Hydrogen and carbon isotopic measurements of methane from agricultural combustion: Implications for isotopic signatures of global biomass burning sources. Reviewed
Yamada K., Y. Ozaki, F. Nakagawa, S. Sudo, H. Tsuruta, and N. Yoshida
J. Geophys. Res. Vol. 111 page: D16306 2006
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Liquid CO2 venting on seafloor: Yonaguni IV Knoll hydrothermal system, Okinawa Trough. Reviewed
Konno, U., U. Tsunogai, F. Nakagawa, M. Nakaseama, J. Ishibashi, T. Nunoura, and K. Nakamura
Geophys. Res. Lett. Vol. 33 page: L16607 2006
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Development of a multi-bottle gas-tight fluid sampler WHATS II for Japanese submersibles/ROVs. Reviewed
Saegusa, S., U. Tsunogai, F. Nakagawa, and S. Kaneko
Geofluids Vol. 6 page: 234-240 2006
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Stable carbon isotopic analysis of atmospheric methyl chloride using CF-IRMS by using selective removal of unsaturated hydrocarbons. Reviewed
Komatsu D.D., U. Tsunogai, J. Yamaguchi, and F. Nakagawa
Rapid Commun. Mass Spectrom. Vol. 19 page: 477-483 2005
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Stable isotopic compositions of methane and carbon monoxide in the Suiyo hydrothermal plume, Izu-Boni arc: tracers for microbial consumption/production. Reviewed
Tsunogai U., F. Nakagawa, T. Gamo and J. Ishibashi
Earth Planet. Sci. Lett. Vol. 237 page: 326-340 2005