査読のある原著論文

2013
42) 角皆 潤, 小松大祐, 中川書子
「HIReTS法を用いた火山噴気の遠隔温度測定:薩摩硫黄島における検証」 火山, Vol. 58, No.3, 443-459 (2013).
41) Nakagawa, F., A. Suzuki, S. Daita, T. Ohyama, D.D. Komatsu and  U. Tsunogai,
Tracing atmospheric nitrate in groundwater using triple oxygen isotopes: Evaluation based on bottled drinking water. Biogeosciences, 10, 3547-3558 (2013).
2012
40) Tsunogai, U., K. Maegawa, S. Sato, D.D. Komatsu, F. Nakagawa, T. Toki, and J. Ashi,
Coseimic massive methane release from a submarine mud volcano, Earth and Planetary Science Letters, 341, 79-85 (2012).
39) Ishimura, T., U. Tsunogai, S. Hasegawa, F. Nakagawa, T. Oi, H. Kitazato, H. Suga, and T. Toyofuku,
Variation in stable carbon and oxygen isotopes of individual benthic foraminifera: tracers for quantifying the magnitude of isotopic disequilibrium. Biogeosciences, 9, 4353-4367 (2012).
38) Kawagucci, S., Y.T. Yoshida, T. Noguchi, M.C. Honda, H. Uchida, H. Ishibashi, F. Nakagawa, U. Tsunogai, K. Okamura, Y. Takaki, T. Nunoura, J. Miyazaki, W. Lin, H. Kitazato, and K. Takai,
Disturbance of deep-sea environments induced by the M9.0 Tohoku Earthquake. Scientific Reports, 2, 270, doi:10.1038/srep00270 (2012).
2011
37) Komatsu, D.D., U. Tsunogai, K. Kamimura, U. Konno, T. Ishimura, and F. Nakagawa,
Stable hydrogen isotopic analysis of nanomolar molecular hydrogen by automatic multi-step gas chromatographic separation. Rapid Communications in Mass Spectrometry, 25, 3351-3359 (2011).
36) Tsunogai, U., K. Kamimura, S. Anzai, F. Nakagawa, and D.D. Komatsu,
Hydrogen isotopes in volcanic plumes: Tracers for remote temperature sensing of fumaroles. Geochimica et Cosmochimica Acta, 75, 4531-4546 (2011)
.
35) Tsunogai, U., S. Daita, D.D. Komatsu, F. Nakagawa, and A. Tanaka,
Quantifying nitrate dynamics in an oligotrophic lake using Δ17O. Biogeosciences, 8, 687-702 (2011).
34) Gay, A., Y. Takano, K.W.P. Gilhooly III, C. Berndt, Heeschen, N. Suzuki, S. Saegusa, F. Nakagawa, U. Tsunogai, S.Y. Jiang, and M. Lopez,
Geophysical and geochemical evidence of large scale fluid flow within shallow sediments in the eastern Gulf of Mexico, offshore Louisiana. Geofluids, 11, 34-47 (2011).
2010
33) Tsunogai, U., A. Kosaka, N. Nakayama, D.D. Komatsu, U. Konno, S. Kameyama, F. Nakagawa, H. Sumino, K. Nagao, K. Fujikura, and H. Machiyama,
Origin and fate of deep-sea seeping methane bubbles at Kuroshima knoll, Ryukyu forearc region, Japan. Geochemical Journal, 44, 477-487 (2010).
32) Hirota, A., U. Tsunogai, D. D. Komatsu, and F. Nakagawa,
Simultaneous determination of d15N and d18O of N2O and d13C of CH4 in nanomolar quantities from a single water sample. Rapid Communications in Mass Spectrometry, 24, 1085-1092 (2010).
31) Konno, U., U. Tsunogai, D.D. Komatsu, S. Daita, F. Nakagawa, A.Tsuda, T. Matsui, Y.-J. Eum and K. Suzuki,
Determination of total N2 fixation rates in the ocean taking into account both the particulate and filtrate fractions. Biogeosciences, 7, 2369-2377 (2010).
30) Tsunogai, U., D.D. Komatsu, S. Daita, G.A. Kazemi, F. Nakagawa, I. Noguchi, and J. Zhang,
Tracing the fate of atmospheric nitrate deposited onto a forest ecosystem in eastern Asia using Δ17O. Atmospheric Chemistry and Physics, 10, 1809-1820 (2010).
29) 角皆 潤・小松 大祐・代田 里子・中川 書子・野口 泉・張 勁 (2010)
「三酸素同位体組成を指標に用いた大気沈着窒素ー森林生態系間相互作用の定量的評価法(総説)」低温科学、第68巻, 107-120.
2009
28) Hirota, A., A. Ijiri, D.D. Komatsu, S.B. Ohkubo, F. Nakagawa, and U. Tsunogai,
Enrichment of nitrous oxide in a water column in the Bering and Chukchi Sea area. Marine Chemistry, 116, 47-53 (2009).
27) Ijiri, A., U. Tsunogai, T. Gamo, F. Nakagawa, T. Sakamoto, and S. Saito,
Enrichment of adsorbed methane in authigenic carbonate concretions. Geo-Marine Letters 29, 301-308 (2009).
26) Kameyama, S., U. Tsunogai, F. Nakagawa, M. Sasakawa, D.D. Komatsu, A. Ijiri, J. Yamaguchi, T. Horiguchi, H. Kawamura, A. Yamaguchi, and A. Tsuda,
Enrichment of alkanes within a phytoplankton bloom during an in situ iron enrichment experiment in the western subarctic Pacific. Marine Chemistry, 115, 92-101 (2009).
2008
25)  Kawagucci, S., U. Tsunogai, S. Kudo, F. Nakagawa, H. Honda, S. Aoki, T. Nakazawa, M. Tsutsumi, and T. Gamo,
Long-term observation of mass-independent oxygen isotope anomaly in stratospheric CO2. Atmos. Chem. Phys., 8, 6189-6197 (2008).
24)  Ishimura, T., U. Tsunogai, and F. Nakagawa,
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). Rapid Communications in Mass Spectrometry, 22, 1925-1932 (2008).
23)  Komatsu, D.D., T. Ishimura, F. Nakagawa, and U. Tsunogai,
Determination of the 15N/14N, 17O/16O, and 18O/16O ratios of nitrous oxide by using continuous-flow isotope ratio mass spectrometry. Rapid Communications in Mass Spectrometry, 22, 1587-1596 (2008).
22) Tsunogai, U., T. Kido, A. Hirota, S.B. Ohkubo, D.D. Komatsu, and F. Nakagawa,
Sensitive determinations of stable nitrogen isotopic composition of organic nitrogen through chemical conversion to N2O. Rapid Communications in Mass Spectrometry, 22, 345-354 (2008).
21) Sasakawa, M., U. Tsunogai, S. Kameyama, F. Nakagawa, Y. Nojiri, and A. Tsuda,
Carbon isotopic characterization for the origin of excess methane in subsurface seawater. Journal of Geophysical Research, 113, C03012, doi: 10.1029/ 2007JC004217 (2008).
2007
20) 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,
Evidence for the Grazing Hypothesis: Grazing Reduces Phytoplankton Responses of the HNLC Ecosystem to Iron Enrichment in the Western Subarctic Pacific (SEEDS II). Journal of Oceanography, 63, 983-994 (2007)
19)  Kim, Y.-S., N. Tanaka, F. Nakagawa, U. Tsunogai, M. Ueyama, Y. Harazono,
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. Tellus B, 59B, 223-233 (2007)
2006
18)  K. Yamada, Y. Ozaki, F. Nakagawa, S. Sudo, H. Tsuruta, and N. Yoshida,
Hydrogen and carbon isotopic measurements of methane from agricultural combustion: Implications for isotopic signatures of global biomass burning sources, J. Geophys. Res., 111, D16306, doi:10.1029/2005JD006750 (2006)
17)  Konno, U., U. Tsunogai, F. Nakagawa, M. Nakaseama, J. Ishibashi, T. Nunoura, and K. Nakamura,
Liquid CO2 venting on seafloor: Yonaguni IV Knoll hydrothermal system, Okinawa Trough., Geophys. Res. Lett. 33, L16607, doi:10.1029/2006GL026115 (2006)

16)  Saegusa, S., U. Tsunogai, F. Nakagawa, and S. Kaneko,
Development of a multi-bottle gas-tight fluid sampler WHATS II for Japanese submersibles/ROVs, Geofluids, 6, 234-240 (2006)

15)  H. Nara, F. Nakagawa, and N. Yoshida,
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, Rapid Commun. Mass Spectrom., 20: 241-247 (2006)
2005

14)  U. Tsunogai, F. Nakagawa, T. Gamo and J. Ishibashi,
Stable isotopic compositions of methane and carbon monoxide in the Suiyo hydrothermal plume, Izu-Boni arc: tracers for microbial consumption/production, Earth Planet. Sci. Lett., 237: 326-340 (2005)

13)  S. Kawagucci, U. Tsunogai. S. Kudo, F. Nakagawa, H. Honda, S. Aoki, T. Nakazawa,and T. Gamo,
A novel analytical system for determining d17O in CO2 using CF-IRMS, Anal. Chem., 77(14): 4509-4514 (2005)

12) Keita Yamada, Naohiro Yoshida, Fumiko Nakagawa, Gen Inoue
Source evaluation of atmospheric methane over western Siberia using double stable isotopic signatures,
Organic Geochemistry, 36, 717-726, 2005

11) Fumiko Nakagawa, Urumu Tsunogai, Daisuke D. Komatsu, Keita Yamada, Naohiro Yoshida, Jun Moriizumi, Koichiro Nagamine, Takao Iida, Yukimasa Ikebe
Automobile exhaust as a 13C- and D- enriched source of atmospheric methane in urban areas,
Organic Geochemistry, 36, 727-738, 2005

10) Daisuke D. Komatsu., Urumu Tsunogai, Junko Yamaguchi, and Fumiko Nakagawa,
Stable carbon isotopic analysis of atmospheric methyl chloride using CF-IRMS by using selective removal of unsaturated hydrocarbons.
Rapid Commun. Mass Spectrom., 19, 477-483, 2005

2004

9) Fumiko Nakagawa, Urumu Tsunogai, Toshitaka Gamo, Naohiro Yoshida
Stable isotopic compositions and fractionations of carbon monoxide at coastal and open ocean stations in the Pacific, Journal of Geophysical Research, Vol. 109, No.C06016, 2004

2003

8) Urumu Tsunogai, Yosuke Hachisu, Daisuke D. Komatsu, Fumiko Nakagawa, Toshitaka Gamo and Ken-ichi Akiyama
An updated estimation of the stable carbon and oxygen isotopic compositions of
automobile CO emissions, Atmospheric Environment, 37, 4901-4910, 2003

7) Keita Yamada, Yoko Ozaki, Fumiko Nakagawa, Misato Tanaka, and Naohiro Yoshida
An improved method for measurement of the hydrogen isotope ratio of atmospheric methane and its application to a Japanese urban atmosphere, Atmospheric Environment, 37, 1975-1982, 2003

6) Fumiko Nakagawa, Urumu Tsunogai, Naohiro Yoshida, Donald D. Adams
Stable isotopic compositions of bacterial light hydrocarbons in marginal marine sediments
In: Land and marine hydrogeology (eds. M. Taniguchi, K. Wang, T. Gamo),
Elsevier Science, 141-150, 2003

2002

5) Keita Yamada, Misato Tanaka, Fumiko Nakagawa, Naohiro Yoshida
On-line measurement of intramolecular carbon isotope distribution of acetic acid by continuous-flow isotope ratio mass spectrometry, Rapid Communications in Mass Spectrometry, 16, 1059-1064, 2002

4) Urumu Tsunogai, Fumiko Nakagawa, Daisuke D. Komatsu, Toshitaka Gamo
Stable carbon and oxygen isotopic analysis of atmospheric carbon monoxide using continuous-flow isotope ratio MS by isotope ratio monitoring of CO
Analytical Chemistry, 74, 22, 5695-5700, 2002

3) Fumiko Nakagawa, Naohiro Yoshida, Yukihiro Nojiri, Vladimir N. Makarov
Production of methane from alasses in eastern Siberia; Implications from its 14C and stable isotopic compositions, Global Biogeochemical Cycles, 16, 3, 2002

2) Fumiko Nakagawa, Naohiro Yoshida, Atsuko Sugimoto, Eitaro Wada, Takahito Yoshioka, Shingo Ueda, Pisoot Vijarnsorn, Stable isotope and radiocarbon compositions of methane emitted from tropical rice paddies and swamps in southern Thailand, Biogeochemistry, 61, 1-19, 2002

2000

1) Urumu Tsunogai, Fumiko Nakagawa, Yousuke Hachisu, Naohiro Yoshida
Stable carbon and oxygen isotopic analysis of carbon monoxide in natural waters, Rapid Communications in Mass Spectrometry, 14, 1507-1512, 2000