Papers - NAKAGAWA Fumiko
-
Ding, WT; Tsunogai, U; Nakagawa, F
BIOGEOSCIENCES Vol. 21 ( 21 ) page： 4717 - 4722 2024.11
-
Estimating emission flux of H 2 S from fumarolic fields using vertical sensor array system
Miyagi, Y; Tsunogai, U; Watanabe, K; Ito, M; Nakagawa, F; Kazahaya, R
JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH Vol. 450 2024.6
-
酸素安定同位体トレーサを指標に用いた河川水中リン酸の動態解明 Invited Reviewed
三歩一 孝, 角皆 潤, 中川 書子
Isotope News Vol. 792 page： 20 - 23 2024.4
-
Errors associated with calculating the gross nitrification rates in forested catchments using the triple oxygen isotopic composition (Δ17O) of stream nitrate Invited Reviewed
Ding, W., U. Tsunogai, F. Nakagawa
Biogeosciences 2024
-
Influences of topography on nitrate export from forested watersheds on Yakushima Island, a Natural World Heritage site Reviewed
Ken'ichi Shinozuka , Osamu Nagafuchi , Koyomi Nakazawa , Urumu Tsunogai , Fumiko Nakagawa , Kenshi Tetsuka , Natsumi Tetsuka , Senichi Ebise
Royal Society of Chemistry Vol. 14 ( 41 ) page： 29860 - 29872 2024
-
First Measurements on Triple Oxygen Isotopes of Dissolved Inorganic Phosphate in the Hydrosphere Reviewed
Sambuichi Takashi, Tsunogai Urumu, Ito Masanori, Nakagawa Fumiko
ENVIRONMENTAL SCIENCE & TECHNOLOGY Vol. 57 ( 8 ) page： 3415 - 3424 2023.2
-
Stable isotopic evidence for the excess leaching of unprocessed atmosphericnitrate from forested catchments under high nitrogen saturation Reviewed
Ding Weitian, Tsunogai Urumu, Nakagawa Fumiko, Sambuichi Takashi, Chiwa Masaaki, Kasahara Tamao, Shinozuka Ken'ichi
BIOGEOSCIENCES Vol. 20 ( 3 ) page： 753 - 766 2023.2
-
Tracing the sources of excess methane in Ise and Mikawa bays using dual stable isotopes as tracers Reviewed
Lan, H; Tsunogai, U; Nakagawa, F; Ito, M; Shingubara, R; Miyoshi, Y; Hara, S
GEOCHEMICAL JOURNAL Vol. 57 ( 2 ) page： 59 - 72 2023
-
Tracing the source of nitrate in a forested stream showing elevated concentrations during storm events Reviewed
Ding Weitian, Tsunogai Urumu, Nakagawa Fumiko, Sambuichi Takashi, Sase Hiroyuki, Morohashi Masayuki, Yotsuyanagi Hiroki
BIOGEOSCIENCES Vol. 19 ( 13 ) page： 3247 - 3261 2022.7
-
Sampling Volcanic Plume Using a Drone-Borne SelPS for Remotely Determined Stable Isotopic Compositions of Fumarolic Carbon Dioxide Invited Reviewed
Tsunogai Urumu, Shingubara Ryo, Morishita Yuhei, Ito Masanori, Nakagawa Fumiko, Yoshikawa Shin, Utsugi Mitsuru, Yokoo Akihiko
FRONTIERS IN EARTH SCIENCE Vol. 10 2022.3
-
Nitrogen saturation of forested catchments in central Japan-Progress or recovery? Invited Reviewed
Sase Hiroyuki, Takahashi Masamichi, Matsuda Kazuhide, Yamashita Naoyuki, Tsunogai Urumu, Nakagawa Fumiko, Morohashi Masayuki, Yotsuyanagi Hiroki, Ohizumi Tsuyoshi, Sato Keiichi, Kurokawa Junichi, Nakata Makoto
Vol. 68 ( 1 ) page： 5 - 14 2022.1
-
赤外分光法による軽元素安定同位体比の分析（原理編第6章） Invited Reviewed
角皆 潤, 中川 書子
先端の分析法 新訂第2版 Vol. （原理編第6章） 2021.9
-
Determination of the triple oxygen isotopic composition of tropospheric ozone in terminal positions using a multistep nitrite-coated filter-pack system Reviewed
RAPID COMMUNICATIONS IN MASS SPECTROMETRY Vol. 35 ( 15 ) 2021.8
-
Development of a drone-borne volcanic plume sampler. Invited Reviewed
Shingubara, R., U. Tsunogai, M. Ito, F. Nakagawa, S. Yoshikawa, M. Utsugi, and A. Yokoo
Journal of Volcanology and Geothermal Research Vol. 412 ( 107197 ) 2021.4
-
Vertical changes in the flux of atmospheric nitrate from a forest canopy to surface soil using triple oxygen isotopes as tracers Reviewed
Inoue, T., F. Nakagawa, H. Shibata, U. Tsunogai
Journal of Geophysical Research: Biogeosciences 2021.4
-
Vertical Changes in the Flux of Atmospheric Nitrate From a Forest Canopy to the Surface Soil Based on Delta O-17 Values Reviewed
Inoue Takahiro, Nakagawa Fumiko, Shibata Hideaki, Tsunogai Urumu
JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES Vol. 126 ( 4 ) 2021.4
-
High-precision Δ′17O measurements of geothermal H2O and MORB on the VSMOW-SLAP scale: evidence for active oxygen exchange between the lithosphere and hydrosphere Reviewed
Sambuichi, Takashi, Urumu Tsunogai, Kazuomi Kura, Fumiko Nakagawa, Takeshi Ohba
Geochemical Journal Vol. 55 ( 6 ) page： E25 - E33 2021
-
Dual stable isotope characterization of excess methane in oxic waters of a mesotrophic lake Reviewed
LIMNOLOGY AND OCEANOGRAPHY Vol. 65 ( 12 ) page： 2937 - 2952 2020.12
-
Stable hydrogen and oxygen isotopic compositions of water vapor in volcanic plumes sampled in glass bottles using cavity ring-down spectroscopy Reviewed
Takahashi Koji U., Tsunogai Urumu, Nakagawa Fumiko, Sukigara Chiho
JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH Vol. 384 page： 232 - 240 2019.10
-
Export flux of unprocessed atmospheric nitrate from temperate forested catchments: a possible new index for nitrogen saturation Reviewed
Nakagawa Fumiko, Tsunogai Urumu, Obata Yusuke, Ando Kenta, Yamashita Naoyuki, Saito Tatsuyoshi, Uchiyama Shigeki, Morohashi Masayuki, Sase Hiroyuki
BIOGEOSCIENCES Vol. 15 ( 22 ) page： 7025-7042 2018.11
-
Triple oxygen isotopes indicate urbanization affects sources of nitrate in wet and dry atmospheric deposition Reviewed
Nelson David M., Tsunogai Urumu, Ding Dong, Ohyama Takuya, Komatsu Daisuke D., Nakagawa Fumiko, Noguchi Izumi, Yamaguchi Takashi
ATMOSPHERIC CHEMISTRY AND PHYSICS Vol. 18 ( 9 ) page： 6381-6392 2018.5
-
Quantifying nitrate dynamics in a mesotrophic lake using triple oxygen isotopes as tracers Reviewed
Tsunogai Urumu, Miyauchi Takanori, Ohyama Takuya, Komatsu Daisuke D., Ito Masanori, Nakagawa Fumiko
LIMNOLOGY AND OCEANOGRAPHY Vol. 63 page： S458-S476 2018.3
-
湖沼における硝化速度定量化の新手法について Invited Reviewed
角皆 潤, 中川 書子
月刊下水道 Vol. 41 ( 13 ) page： 66 - 71 2018
-
三酸素同位体異常を指標に用いた生物地球化学循環解析 Invited Reviewed
角皆 潤, 中川 書子
号外海洋 Vol. 61 page： 81 - 90 2018
-
Tracing the origin and fate of atmospheric nitrate by using stable isotopes. Reviewed
Tsunogai, U., and F. Nakagawa
Earozoru Kenkyu Vol. 31 ( 1 ) page： 5-14 2016
-
Remote determinations on fumarole outlet temperatures in an eruptive volcano Reviewed
Tsunogai, U., L. Cheng, M. Ito, D. D. Komatsu, F. Nakagawa, and H. Shinoara
Geophysical Research Letters Vol. 43 ( 22 ) page： 11620-11627 2016
-
Accurate and precise quantification of atmospheric nitrate in streams draining land of various uses by using triple oxygen isotopes as tracers. Reviewed
Tsunogai, U., T. Miyauchi, T. Ohyama, D.D. Komatsu, F. Nakagawa, Y. Obata, K. Sato, and T. Ohizumi
Biogeosciences Vol. 13 page： 3441-3459 2016
-
Quantifying the effects of clear-cutting and strip-cutting on nitrate dynamics in a forested watershed using triple oxygen isotopes as tracers. Reviewed
Tsunogai, U., Komatsu, D. D., Ohyama, T., Suzuki, A., Nakagawa, F., Noguchi, I., Takagi, K., Nomura, M., Fukuzawa, K., and Shibata, H.
Biogeosciences Vol. 11 page： 5411–5424 2014
-
Isotopes in Environmental Sciences No. 3, Applying stable isotopes for studying behavior of trace components. Reviewed
Tsunogai, U. and F. Nakagawa
J. Jpn. Soc. Atmos. Environ., Vol. 49 ( 5 ) page： A63-A72 2014
-
Remote temperature sensing on volcanic fumaroles using HIReTS: Applications to Satsuma-Iwojima volcano, Japan. Reviewed
Tsunogai, U., D.D. Komatsu, and F. Nakagawa
Bulltein of the Volcanological Society of Japan Vol. 58 ( 3 ) page： 443-459 2013
-
Tracing atmospheric nitrate in groundwater using triple oxygen isotopes: Evaluation based on bottled drinking water. Reviewed
Nakagawa, F., A. Suzuki, S. Daita, T. Ohyama, D.D. Komatsu and U. Tsunogai
Biogeosciences Vol. 10 page： 3547-3558 2013
-
Variation in stable carbon and oxygen isotopes of individual benthic foraminifera: tracers for quantifying the magnitude of isotopic disequilibrium. Reviewed
Ishimura, T., U. Tsunogai, S. Hasegawa, F. Nakagawa, T. Oi, H. Kitazato, H. Suga, and T. Toyofuku
Biogeosciences Vol. 9 page： 4353-4367 2012
-
Disturbance of deep-sea environments induced by the M9.0 Tohoku Earthquake. Reviewed
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
Scientific Reports Vol. 2 page： 270 2012
-
Coseimic massive methane release from a submarine mud volcano Reviewed
Tsunogai, U., K. Maegawa, S. Sato, D.D. Komatsu, F. Nakagawa, T. Toki, and J. Ashi
Earth Planet. Sci. Lett. Vol. 341-344 page： 79-85 2012
-
Quantifying nitrate dynamics in an oligotrophic lake using Δ17O. Reviewed
Tsunogai, U., S. Daita, D.D. Komatsu, F. Nakagawa, and A. Tanaka
Biogeosciences Vol. 8 page： 687-702 2011
-
Geophysical and geochemical evidence of large scale fluid flow within shallow sediments in the eastern Gulf of Mexico, offshore Louisiana. Reviewed
Gay, A., Y. Takano, K.W.P. Gilhooly III, C. Berndt, Heeschen, N. Suzuki, S. Saegusa, F. Nakagawa, U. Tsunogai, S.Y. Jiang, M. Lopez
Geofluids Vol. 11 page： 34-47 2011
-
Hydrogen isotopes in volcanic plumes: Tracers for remote temperature sensing of fumaroles. Reviewed
Tsunogai, U., K. Kamimura, S. Anzai, F. Nakagawa, and D.D. Komatsu
Geochimica et Cosmochimica Acta Vol. 75 page： 4531-4546 2011
-
Stable hydrogen isotopic analysis of nanomolar molecular hydrogen by automatic multi-step gas chromatographic separation. Reviewed
Komatsu, D.D., U. Tsunogai, K. Kamimura, U. Konno, T. Ishimura, and F. Nakagawa
Rapid Commun. Mass Spectrom. Vol. 25 page： 3351-3359 2011
-
三酸素同位体組成を指標に用いた大気沈着窒素-森林生態系間相互作用の定量的評価法
角皆潤・小松大祐・代田里子・中川書子・野口泉・張勁
低温科学 Vol. 68 page： 107-120 2010
-
Origin and fate of deep-sea seeping methane bubbles at Kuroshima knoll, Ryukyu forearc region, Japan. Reviewed
Tsunogai, U., A. Kosaka, N. Nakayama, D.D. Komatsu, U. Konno, S. Kameyama, F. Nakagawa, H. Sumino, K. Nagao, K. Fujikura, and H. Machiyama
Geochemical Journal Vol. 44 page： 477-487 2010
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
A novel analytical system for determining δ17O in CO2 using CF-IRMS. Reviewed
Kawagucci S., U. Tsunogai. S. Kudo, F. Nakagawa, H. Honda, S. Aoki, T. Nakazawa,and T. Gamo
Anal. Chem. Vol. 77 ( 14 ) page： 4509-4514 2005
-
Source evaluation of atmospheric methane over western Siberia using double stable isotopic signatures. Reviewed
Yamada K., N. Yoshida, F. Nakagawa, and G. Inoue
Org. Geochem. Vol. 36 page： 717-726 2005
-
Automobile exhaust as a 13C- and D- enriched source of atmospheric methane in urban areas. Reviewed
Nakagawa F., U. Tsunogai, D. D. Komatsu, Keita Yamada, Naohiro Yoshida, Jun Moriizumi, Koichiro Nagamine, Takao Iida, Yukimasa Ikebe
Org. Geochem. Vol. 36 page： 727-738 2005
-
Stable isotopic compositions and fractionations of carbon monoxide at coastal and open ocean stations in the Pacific. Reviewed
Nakagawa F., U. Tsunogai, T. Gamo, and N. Yoshida
J. Geophys. Res. Vol. 109 ( C06016 ) 2004
-
Stable isotopic compositions of bacterial light hydrocarbons in marginal marine sediments. Reviewed
Nakagawa F., U. Tsunogai, N. Yoshida, and D. D. Adams
Land and marine hydrogeology page： 141-150 2003
-
Stable carbon and hydrogen isotope ratios in atmospheric methane over Siberia. Reviewed
Yamada, K., N. Yoshida, F. Nakagawa, G. Inoue
Geochimica et Cosmochimica Acta Vol. 67 ( 18 ) page： A546-A546 2003
-
An updated estimation of the stable carbon and oxygen isotopic compositions of automobile CO emissions. Reviewed
Tsunogai U., Y. Hachisu, D. D. Komatsu, F. Nakagawa, T. Gamo and K. Akiyama
Atmos. Environ. Vol. 37 page： 4901-4910 2003
-
An improved method for measurement of the hydrogen isotope ratio of atmospheric methane and its application to a Japanese urban atmosphere. Reviewed
Yamada K., Y. Ozaki, F. Nakagawa, M. Tanaka, and N. Yoshida
Atmos. Environ. Vol. 37 page： 1975-1982 2003
-
Origin of atmospheric Benzene using its stable carbon isotopic composition as a tracer. Reviewed
6) Yamaguchi, J., U. Tsunogai, D. D. Komatsu, F. Nakagawa, T. Gamo, and K. Akiyama
Geochimica et Cosmochimica Acta Vol. 67 ( 18 ) page： A549-A549 2003
-
Carbon isotopic composition of CH4 and CO emitted during biomass burning experiments. Reviewed
4) Nakagawa, F., D. D. Komatsu, U. Tsunogai, T. Gamo, K. Yamada, H. Nara, Y. Ozaki, M. Ogawa, N. Yoshida, S. Sudo, S. Yonemura, H. Tsuruta,
Geochimica et Cosmochimica Acta Vol. 67 ( 18 ) page： A322-A322 2003
-
Carbon and oxygen kinetic isotope effects during soil uptake of atmospheric carbon monoxide. Reviewed
5) Komatsu, D. D., U. Tsunogai, F. Nakagawa, T. Gamo
Geochimica et Cosmochimica Acta Vol. 67 ( 18 ) page： A229-A229 2003
-
Stable isotope and radiocarbon compositions of methane emitted from tropical rice paddies and swamps in southern Thailand. Reviewed
Nakagawa F., N. Yoshida, A. Sugimoto, E. Wada, T. Yoshioka, S. Ueda, and P. Vijarnsorn
Biogeochemistry Vol. 61 page： 1-19 2002
-
On-line measurement of intramolecular carbon isotope distribution of acetic acid by continuous-flow isotope ratio mass spectrometry. Reviewed
Yamada K., M. Tanaka, F. Nakagawa, and N. Yoshida
Rapid Commun. Mass Spectrom. Vol. 16 page： 1059-1064 2002
-
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., F. Nakagawa, D. D. Komatsu, and T. Gamo
Anal. Chem. Vol. 74 ( 22 ) page： 5695-5700 2002
-
Production of methane from alasses in eastern Siberia; Implications from its 14C and stable isotopic compositions. Reviewed
Nakagawa F., N. Yoshida, Y. Nojiri, and V. N. Makarov
Global Biogeochem. Cycles Vol. 16 ( 3 ) page： 10.1029/2000GB001384 2002
-
Measurements of the D/H ratio of CH4 by GC/TC/IRMS
Yamada K., Y. Ozaki, F. Nakagawa, N. Yoshida, H. Tsuruta, S. Sudo, C. Guillou, G. Bidoglio
Proceedings of the 1st International Symposium on Isotopomers page： 112-116 2001
-
Stable Isotopic Studies of Carbon Monoxide in Seawater
Nakagawa F., U. Tsunogai, T. Gamo, N. Yoshida
Proceedings of the 1st International Symposium on Isotopomers page： 283-284 2001
-
Stable carbon and oxygen isotopic analysis of carbon monoxide in natural waters. Reviewed
Tsunogai U., F. Nakagawa, Y. Hachisu, and N. Yoshida
Rapid Commun. Mass Spectrom. Vol. 14 page： 1507-1512 2000
-
Isotopomer analysis of methane and nitrous oxide for the study of their geochemical cycles
Yoshida, N., U. Tsunogai, S. Toyoda, F. Nakagawa
Proceedings of the Second International Symposium "Non-CO2 greenhouse gases: Scientific understanding, control and implementation page： 185-188 1999