Papers - NAKAGAWA Fumiko
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Ding, WT; Tsunogai, U; Nakagawa, F
BIOGEOSCIENCES Vol. 21 ( 21 ) page： 4717 - 4722 2024.11
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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