Faculty Profiles - TSUNOGAI Urumu

Papers - TSUNOGAI Urumu

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Hydrothermal plumes in the Gulf of Aden, as characterized from light transmission, Mn, Fe, CH4 and δ13C-CH4 anomalies Reviewed

Gamo, T., K. Okamura, H. Hatanaka, H. Hasumoto, D. Komatsu, M. Chinen, M. Mori, J. Tanaka, A. Hirota, U. Tsunogai, K. Tamaki

Deep-Sea Research Part II Vol. 121 page： 62-70 2015.11

The coral δ15N record of terrestrial nitrate loading varies with river catchment land use Reviewed

Yamazaki, A., T. Watanabe, U. Tsunogai, H. Hasegawa, H. Yamano

Coral Reefs Vol. 34 ( 1 ) page： 353-362 2015.3

Biogeochemical Signals from Deep Microbial Life in Terrestrial Crust Reviewed Open Access

Suzuki, Y., U. Konno, A. Fukuda, D.D. Komatsu, A. Hirota, Y. Togo, N. Morikawa, H. Hagiwara, D. Aosai, T. Iwatsuki, U. Tsunogai, S. Nagao, K. Ito, T. Mizuno

PLoS ONE Vol. 9 ( 12 ) page： e113063 2014.12

Chemical and Isotopic Compositions of Hydrothermal Fluids at Snail, Archaean, Pika, and Urashima Sites in the Southern Mariana Trough Invited Reviewed

Toki, Tomohiro, Jun-ichiro Ishibashi, Takuroh Noguchi, Miki Tawata, Urumu Tsunogai, Toshiro Yamanaka, Kentaro Nakamura

Subseafloor Biosphere Linked to Hydrothermal Systems page： 587-602 2014.11

Tarama Knoll: Geochemical and Biological Profiles of Hydrothermal Activity Reviewed

Yamanaka, T., H. Nagashio, R. Nishio, K. Kondo, T. Noguchi, K. Okamura, T. Nunoura, H. Makita, K. Nakamura, H. Watanabe, K. Inoue, T. Toki, K. Iguchi, U. Tsunogai, R. Nakada, S. Ohshima, S. Toyoda, J. Kawai, N. Yoshida, A. Ijiri, and M. Sunamura

Subseafloor Biosphere Linked to Hydrothermal Systems page： 497-504 2014.11

Origin and transport of pore fluids in the Nankai accretionary prism inferred from chemical and isotopic compositions of pore water at cold seep sites off Kumano Reviewed Open Access

Toki, T., R. Higa, A. Ijiri, U. Tsunogai and J. Ashi

Earth Planets and Space Vol. 66 page： doi:10.1186/s40623-014-0137-3 2014.10

Quantifying the effects of clear-cutting and strip-cutting on nitrate dynamics in a forested watershed using triple oxygen isotopes as tracers Reviewed Open Access

Tsunogai, U., Komatsu, D. D., Ohyama, T., Suzuki, A., Nakagawa, F., Noguchi, I., Takagi, K., Nomura, M., Fukuzawa, K., Shibata, H.

Biogeosciences Vol. 11 ( 19 ) page： 5411–5424 2014.10

Isotopes in Environmental Sciences: 3, Appling stable isotopes for studying behavior of trace components Invited Reviewed Open Access

Tsunogai, U., F. Nakagawa

Journal of Japan Society for Atmospheric Environment Vol. 49 ( 5 ) page： A63-A72 2014.9

Electrochemical Stimulation of Microbial Reductive Dechlorination of Pentachlorophenol Using Solid-State Redox Mediator (Humin) Immobilization Reviewed

Vol. 164 page： 232–240 2014.7

Tracing geologically constrained fluid flow pathways using a combination of heat flow measurements, pore water chemistry, and acoustic imaging near the deformation front of the Nankai Trough off the Muroto Peninsula, Japan Reviewed Open Access

Vol. 618 page： 121-137 2014.3

High-Resolution Measurement of Volatile Organic Compounds Dissolved in Seawater Using Equilibrator Inlet-Proton Transfer Reaction-Mass Spectrometry (EI-PTR-MS) Reviewed

page： 89-115 2014.3

Leakage of magmatic-hydrothermal volatiles from a crater bottom formed by a submarine eruption in 1989 at Teishi Knoll, Japan Reviewed

Notsu, K., R. Sohrin, H. Wada, T. Tsuboi, H. Sumino, T. Mori, U. Tsunogai, P.A. Hernandez, Y. Suzuki, R. Ikuta, K. Oorui, M. Koyama, T. Masuda, N. Fujii

Journal of Volcanology and Geothermal Research Vol. 270 page： 90-98 2014.1

Origin of pore water in Kumano mud volcanoes Reviewed Open Access

Toki, T., R. Higa, A. Tanahara, A. Ijiri, U. Tsunogai, J. Ashi

Chikyukagaku (Geochemistry) Vol. 47 ( 4 ) page： 221-236 2013.12

Occurrence and potential activity of denitrifiers and methanogens in groundwater at 140 m depth in Pliocene diatomaceous mudstone of northern Japan Reviewed Open Access

Katsuyama, C., Nashimoto, H., Nagaosa, K., Ishibashi, T., Kinoshita, T., Yoshikawa, H., Aoki, K., Asano, T., Sasaki, Y., Sohrin, R., Komatsu, D., Tsunogai, U., Kimura, H., Suwa, Y., Kato, K.

FEMS Microbiology Ecology Vol. 86 ( 3 ) page： 532–543 2013.12

Remote temperature sensing on volcanic fumaroles using HIReTS: Applications to Satsuma-Iwojima volcano, Japan Reviewed Open Access

Tsunogai, U., D.D. Komatsu, F. Nakagawa

Bulltein of the Volcanological Society of Japan Vol. 58 ( 3 ) page： 443-459 2013.9

Strong relationship between dimethyl sulfide and net community production in the western subarctic Pacific Reviewed Open Access

Kameyama, S., H. Tanimoto, S. Inomata, H. Y. Inoue, U. Tsunogai, A. Tsuda, M. Uematsu, M. Ishii, D. Sasano

Geophysical Research Letters Vol. 40 ( 15 ) page： 3986-3990 2013.8

Language：English Publishing type：Research paper (scientific journal)

Although much attention has been paid to describing the distribution of oceanic dimethyl sulfide (DMS) concentrations, establishing robust relationships between DMS concentrations and biological, physical, and chemical variables is still challenging. Previous studies have proposed semiempirical parameterizations by combining multiple physical and biogeochemical parameters to better understand and reproduce the global distribution of sea surface DMS. However, none of these parameterization schemes could reconcile regionally elevated DMS peaks found in high-resolution DMS measurements made in the western subarctic Pacific. Here we found that DMS concentrations are highly correlated with the net community production, a parameter that integrates biological activity over time. We anticipate that this elationship may be exportable to other regions with high primary productivity, such as the Southern Ocean or upwelling regions, and can be used as an important parameterization scheme, combined with solar radiation dose relationship.

DOI： 10.1002/grl.50654

Nitrogen isotopes in intra-crystal coralline aragonites Reviewed Open Access

Yamazaki, A., T. Watanabe, N. Takahata, Y. Sano, U. Tsunogai

Chemical Geology Vol. 351 page： 276–280 2013.8

Tracing atmospheric nitrate in groundwater using triple oxygen isotopes: Evaluation based on bottled drinking water Reviewed Open Access

Nakagawa, F., A. Suzuki, S. Daita, T. Ohyama, D.D. Komatsu, U. Tsunogai

Biogeosciences Vol. 10 page： 3547-3558 2013.6

Shallow submarine hydrothermal activity with abundant magmatic water producing talc chimneys in the Wakamiko Crater of Kagoshima Bay, southern Kyushu, Japan Reviewed

Journal of Volcanology and Geothermal Research Vol. 258 page： 74–84 2013.5

Validity of otolith delta¹⁸O of Pacific bluefin tuna (Thunnus orientalis) as an indicator of ambient water temperature Reviewed Open Access

Kitagawa, T., T. Ishimura, R. Uozato, K. Shirai, Y. Amano, A. Shinoda, T. Otake, U. Tsunogai, S. Kimura

Marine Ecology Progress Series 2013.5

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