研究成果

当研究室メンバーを太字で表記してあります。

最終更新日：2021年4月5日

 2017 | 2018 | 2019 | 2020 | 2021

2021

【学術誌に掲載された論文】

  • 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.


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    2020

    【学術誌に掲載された論文】

  • 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.


    【書籍】

  • 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.


    【令和２年度修士論文】

  • 窪田　巧輝
    UAVによる樹冠表面温度計測を用いた林分蒸散量の推定

  • 亀山　敏顕
    土壌鉛直浸透及び基岩地下水を考慮した山地森林流域流出モデルの開発

  • 戸部　潤一郎
    微細土砂の挙動が土石流の現地再現計算に与える影響


    【令和２年度卒業論文】

  • 谷川　慶一郎
    太陽光誘発クロロフィル蛍光（SIF）による全球植物生産能力推定の可能性


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    2019

    【学術誌に掲載された論文】

  • 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.


    【令和元年度博士論文】

  • 酒井　佑一
    粒径組成が土石流の応力構造に与える影響に関する研究


    【令和元年度修士論文】

  • 籾山　寛樹
    針葉樹人工林流域における間伐が渇水時水資源に及ぼす影響：森林流域水収支モデルを用いた検討

  • 長岡　岳
    土壌浸食モデルを用いた日本の山地森林流域の土砂浸食動態の解析

  • 坂本　春樹
    温暖化による凍土融解が引き起すメタン放出：シミュレーションモデルの開発


    【令和元年度卒業論文】

  • 佐藤　希
    生物化学モデルを用いた光合成速度計算の高速・安定化


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    2018

    【学術誌に掲載された論文】

  • 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.


    【平成30年度修士論文】

  • 羽田　泰彬
    葉量と光合成特性の季節変化がスギ群落H2O・CO2交換速度に及ぼす影響

  • 藤目　直也
    単木樹液流量の精密計測に基づくスギ林分蒸散量の決定


    【平成30年度卒業論文】

  • 亀山　敏顕
    土壌物理性の空間変動を考慮できる降雨−流出モデルの開発

  • 田澤　直也
    土石流の堆積過程に粒径が及ぼす影響

  • 戸部　潤一郎
    微細土砂の液相化を考慮した現地再現計算における土石流の挙動


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    2017

    【学術誌に掲載された論文】

  • 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.


    【平成29年度修士論文】

  • 橋本　長武
    森林における土壌中Cs形態と樹木細根への土壌からの137Cs移行について

  • 山部　翔太郎
    我が国の針葉樹人工林の炭素貯留能力の未来

  • 横山　泰之
    熱帯雨林天然林とオイルパームプランテーションの水収支比較


    【平成29年度卒業論文】

  • 籾山　寛樹
    針葉樹人工林流域における間伐が流出に及ぼす影響：モデルによる検討

  • 長岡　岳
    日本の山地森林流域への土壌浸食モデルの適用

  • 坂本　春樹
    湿地条件下のメタン放出：地球変動予測のための理論とモデル


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