2017 | 2018 | 2019 | 2020 | 2021



  • Egusa, T., Kumagai, T., Oda, T. and Ohte, N.
    Effects of bedrock groundwater discharge on spatial variability of dissolved carbon, nitrogen, and phosphorous concentrations in stream water within a forest headwater catchment.
    Hydrological Processes, 35(1), e13993, 2021.

  • Fujime, N., Kumagai, T., Egusa, T., Momiyama, H. and Uchiyama, Y.
    Importance of calibration in determining forest stand transpiration using the thermal dissipation method.
    Agricultural and Forest Meteorology, 301-302, 108356, 2021.




  • Egusa, T., Kumagai, T. and Shiraishi, N.
    Carbon stock in Japanese forests has been greatly underestimated.
    Scientific Reports, 10, 7895, 2020.

  • Guswa, A. J., Tetzlaff, D., Selker, J. S., Carlyle-Moses, D. E., Boyer, E. W., Bruen, M., Cayuela, C., Creed, I. F., van de Giesen, N., Grasso, D., Hannah, D. M., Hudson, J. E., Hudson, S. A., Iida, S., Jackson, R. B., Katul, G. G., Kumagai, T., Llorens, P., Ribeiro, F. L., Michalzik, B., Nanko, K., Oster, C., Pataki, D. E., Peters, C. A., Rinaldo, A., Carretero, D. S., Trifunovic, B., Zalewski, M., Haagsma, M. and Levia, D. F.
    Advancing ecohydrology in the 21st century: a convergence of opportunities.
    Ecohydrology, 13(4), e2208, 2020.

  • Isobe, K., Ise, Y., Kato, H, Oda, T., Vincenot, C. E., Koba, K., Tateno, R., Senoo, K. and Ohte, N.
    Consequences of microbial diversity in forest nitrogen cycling: diverse ammonifiers and specialized ammonia oxidizers.
    The ISME Journal, 14(1), 12-25, 2020.

  • Levia, D. F., Creed, I. F., Hannah, D. M., Nanko, K., Boyer, E. W., Carlyle-Moses, D. E., van de Giesen, N., Grasso, D., Guswa, A. J., Hudson, J. E., Hudson, S. A., Iida, S., Jackson, R. B., Katul, G. G., Kumagai, T., Llorens, P., Ribeiro, F. L., Pataki, D. E., Peters, C. A., Carretero, D. S., Selker, J. S., Tetzlaff, D., Zalewski, M. and Bruen, M.
    Homogenization of the terrestrial water cycle.
    Nature Geoscience, 13(10), 656-658, 2020.

  • Mrad, A., Katul, G. G., Levia, D. F., Guswa, A. J., Boyer, E. W., Bruen, M., Carlyle-Moses, D. E., Coyte, R., Creed, I. F., van de Giesen, N., Grasso, D., Hannah, D. M., Hudson, J. E., Humphrey, V., Iida, S., Jackson, R. B., Kumagai, T., Llorens, P., Michalzik, B., Nanko, K., Peters, C. A., Selker, J. S., Tetzlaff, D., Zalewski, M. and Scanlon, B.
    Peak grain forecasts for the U.S. High Plains amid withering waters.
    Proceedings of the National Academy of Sciences of the United States of America, https://doi.org/10.1073/pnas.2008383117, 2020.

  • Tsunetaka, H., Hotta, N., Hayakawa, Y. S. and Imaizumi, F.
    Spatial accuracy assessment of unmanned aerial vehicle-based structures from motion multi-view stereo photogrammetry for geomorphic observations in initiation zones of debris flows, Ohya landslide, Japan.
    Progress in Earth and Planetary Science, 7(1), 1-14, 2020.

  • Ueyama, M., Ichii, K., Kobayashi, H., Kumagai, T., Beringer, J., Merbold, L., Euskirchen, E., Hirano, T., Belelli Marchesini, L., Baldocchi, D., Saitoh, T., Mizoguchi, Y., Ono, K., Kim, J., Varlagin, A., Kang, M., Shimizu, T., Kosugi, Y., Bret-Harte, M., Machimura, T., Matsuura, Y., Ohta, T., Takagi, K., Takanashi, S. and Yasuda, Y.
    Inferring CO2 fertilization effect based on global monitoring land-atmosphere exchange with a theoretical model.
    Environmental Research Letters, 15(8), 084009, 2020.

  • Ushio, M., Osada, Y., Kumagai, T., Kume, T., Pungga, R. a. S., Nakashizuka, T., Itioka, T. and Sakai, S.
    Dynamic and synergistic influences of air temperature and rainfall on general flowering in a Bornean lowland tropical forest.
    Ecological Research, 35(1), 17-29, 2020.

  • Yoshifuji, N., Kumagai, T., Ichie, T., Kume, T., Tateishi, M., Inoue, Y., Yoneyama, A. and Nakashizuka, T.
    Limited stomatal regulation of the largest-size class of Dryobalanops aromatica in a Bornean tropical rainforest in response to artificial soil moisture reduction.
    Journal of Plant Research, 133(2), 175-191, 2020.


  • Iida, S., Shimizu, T., Shinohara, Y., Takeuchi, S. and Kumagai, T.
    The necessity of sensor calibration for the precise measurement of water fluxes in forest ecosystems.
    (In: Forest-Water Interactions. Ecological Studies Series No. 240, Eds. Levia, D. F., Carlyle-Moses, D. E., Iida, S., Michalzik, B., Nanko, K. and Tischer, A., Springer Nature Switzerland AG), pp.29-54, 2020.


  • 窪田 巧輝

  • 亀山 敏顕

  • 戸部 潤一郎


  • 谷川 慶一郎




  • Egusa, T., Kumagai, T., Oda, T., Gomi, T. and Ohte, N.
    Contrasting patterns in the decrease of spatial variability with increasing catchment area between stream discharge and water chemistry.
    Water Resources Research, 55(8), 7419-7435, 2019.

  • Imaizumi, F., Masui, T., Yokota, Y., Tsunetaka, H., Hayakawa, Y. and Hotta, N.
    Initiation and runout characteristics of debris flow surges in Ohya landslide scar, Japan.
    Geomorphology, 339, 58-69, 2019.

  • Levia, D. F., Nanko, K., Amasaki, H., Giambelluca, T. W., Hotta, N., Iida, S., Mudd, R.G., Nullet, M. A., Sakai, N., Shinohara, Y., Sun, X., Suzuki, M., Tanaka, N., Tantasirin, C. and Yamada, K.
    Throughfall partitioning by trees.
    Hydrological Processes, 33(12), 1698-1708, 2019.

  • Momiyama, H., Kumagai, T. and Egusa, T.
    Reproducing monthly evapotranspiration from a coniferous plantation watershed in Japan.
    Journal of Forest Research, 24(3), 197-200, 2019.

  • Oda, T., Imamura, N., Egusa, T. and Ohte, N.
    The effects of canopy alteration-induced atmospheric deposition changes on stream chemistry in Japanese cedar forest.
    Forest Ecology and Management, 448, 85-93, 2019.

  • Ohashi, M., Makita, N., Katayama, A., Kume, T., Matsumoto, K., Kumagai, T., Endo, I. and Kho, L. K.
    Characteristics of root decomposition based on in-situ experiments in a tropical rainforest in Sarawak, Malaysia: Impacts of root diameter and soil biota.
    Plant and Soil, 436(1-2), 439-448, 2019.

  • Sakai, Y., Hotta, N., Kaneko, T. and Iwata, T.
    Effects of grain-size composition on flow resistance of debris flows: Behavior of fine sediment.
    Journal of Hydraulic Engineering, 145(5), 06019004, doi:10.1061/(ASCE)HY.1943-7900.0001586, 2019.

  • Watanabe, T., Tateno, R., Imada, S., Fukuzawa, K., Isobe, K., Urakawa, R., Oda, T., Hosokawa, N., Sasai, T., Inagaki, Y., Hishi, T., Toda, H. and Shibata, H.
    The effect of a freeze-thaw cycle on dissolved nitrogen dynamics and its relation to dissolved organic matter and soil microbial biomass in the soil of a northern hardwood forest.
    Biogeochemistry, 142(3), 319-338, 2019.


  • 酒井 佑一


  • 籾山 寛樹

  • 長岡 岳

  • 坂本 春樹


  • 佐藤 希




  • Kanamori, H., Kumagai, T., Fujinami, H., Hiyama, T. and Yasunari, T.
    Effects of long- and short-term atmospheric water cycles on the water balance over the Maritime Continent.
    Journal of Hydrometeorology, 19(9), 1413-1427, 2018.

  • Kurita, N., Horikawa, M., Kanamori, H., Fujinami, H., Kumagai, T., Kume, T. and Yasunari, T.
    Interpretation of ENSO-related precipitation anomalies in northwestern Borneo using isotopic tracers.
    Hydrological Processes, 32(14), 2176-2186, 2018.

  • McDowell, N., Allen, C., Anderson-Teixeira, K., Brando, P., Brienen, R., Chambers, J., Christoffersen, B., Davies, S., Doughty, C., Duque, A., Espirito-Santo, F., Fisher, R., Fontes, C., Galbraith, D., Goodsman, D., Johnson, D., Hartmann, H., Holm, J., Kassim, A. R., Keller, M., Koven, C., Kueppers, L., Kumagai, T., Muller-Landau, H., Malhi, Y., McMahon, S., Mencuccini, M., Meir, P., Moorcroft, P., Phillips, O., Powell, T., Sierra, C., Sperry, J., Warren, J., Xu, C., Xu, X. and Grossiord, C.
    Drivers and mechanisms of tree mortality in moist tropical forests.
    New Phytologist, 219(3), 851-869, 2018.

  • Miyazawa, Y., Du, S., Taniguchi, T., Yamanaka, N. and Kumagai, T.
    Gas exchange by the mesic-origin, arid land plantation species Robinia pseudoacacia under annual summer reduction in plant hydraulic conductance.
    Tree Physiology, 38(8), 1166-1179, 2018.

  • Mtibaa, S., Hotta, N. and Irie, M.
    Analysis of the efficacy and cost-effectiveness of best management practices for controlling sediment yield: A case study of the Joumine watershed, Tunisia.
    Science of The Total Environment, 616-617, 1-16, 2018.

  • Oda, T., Green, M. B., Urakawa, R., Scanlon, T. M., Sebestyen, S. D., McGuire, K. J., Katsuyama, M., Fukuzawa, K., Adams, M. B. and Ohte, N.
    Stream runoff and nitrate recovery times after forest disturbance in the USA and Japan.
    Water Resources Research, 54(9), 6042-6054, 2018.


  • 羽田 泰彬

  • 藤目 直也


  • 亀山 敏顕

  • 田澤 直也

  • 戸部 潤一郎




  • Imaizumi, F., Hayakawa, Y.S., Hotta, N., Tsunetaka, H., Ohsaka, O. and Tsuchiya, S.
    Relationship between the accumulation of sediment storage and debris flow characteristics in a debris-flow initiation zone, Ohya landslide body, Japan.
    Natural Hazards and Earth System Sciences, 17, 1923-1938, 2017.

  • Inoue, Y., Ichie, T., Kenzo, T., Yoneyama, A., Kumagai, T. and Nakashizuka, T.
    Effects of rainfall exclusion on leaf gas exchange traits and osmotic adjustment in mature canopy trees of Dryobalanops aromatica (Dipterocarpaceae) in a Malaysian tropical rain forest.
    Tree Physiology, 37(10), 1301-1311, 2017.

  • Saito, T., Kumagai, T., Tateishi, M., Kobayashi, N., Otsuki, K. and Giambelluca, T. W.
    Differences in seasonality and temperature-dependency of stand transpiration and canopy conductance between Japanese cypress (Hinoki) and Japanese cedar (Sugi) in a plantation.
    Hydrological Processes, 31(10), 1952-1965, 2017.

  • Takahashi, A., Kumagai, T., Kanamori, H., Fujinami, H., Hiyama, T. and Hara, M.
    Impact of tropical deforestation and forest degradation on precipitation over Borneo Island.
    Journal of Hydrometeorology, 18(11), 2907-2922, 2017.

  • Tanaka, N., Levia, D., Igarashi, Y., Yoshifuji, N., Tanaka, K., Tantasirin, C., Nanko, K., Suzuki, M. and Kumagai, T.
    What factors are most influential in governing stemflow production from plantation-grown teak trees?
    Journal of Hydrology, 544, 10-20, 2017.

  • Urakawa, R., Ohte, N., Shibata, H., Tateno, R., Inagaki, Y., Oda, T., Toda, H., Fukuzawa, K., Watanabe, T., Hishi, T., Oyanagi, N., Nakata, M., Fukushima, K. and Nakanishi, A.
    Estimation of field soil nitrogen mineralization and nitrification rates using soil N transformation parameters obtained through laboratory incubation.
    Ecological Research, 32(2), 279-285, 2017.


  • 橋本 長武

  • 山部 翔太郎

  • 横山 泰之


  • 籾山 寛樹

  • 長岡 岳

  • 坂本 春樹