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：2024年3月22日

 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023

2023

【学術誌に掲載された論文】

  • Gomez, C., Hotta, N., Shinohara, Y., Park, J.-H., Tsunetaka, H., Zhang, M., Bradak, B., Sri Hadmoko, D., Budi Wibowo, S., Daikai, R. and Yoshida, M.
    Formation processes of gully-side debris-cones determined from ground-penetrating radar (Mt. Unzen, Japan)
    Journal of Applied Geophysics, 209, 104919, 2023.

  • Hata, Y., Kumagai, T., Shimizu, T. and Miyazawa, Y.
    Implications of seasonal changes in photosynthetic traits and leaf area index for canopy CO2 and H2O fluxes in a Japanese cedar (Cryptomeria japonica D. Don) plantation.
    Ecological Modelling, 477, 110271, 2023.

  • Kiyono, T., Noda, H. M., Kumagai, T., Oshio, H., Yoshida, Y., Matsunaga, T. and Hikosaka, K.
    Regional-scale wilting point estimation using satellite SIF, radiative-transfer inversion, and soil-vegetation-atmosphere transfer simulation: A grassland study.
    Journal of Geophysical Research -Biogeosciences, 128(4), e2022JG007074, 2023.

  • Momiyama, H., Kumagai, T., Fujime, N., Egusa, T. and Shimizu, T.
    Forest canopy interception can reduce flood discharge: Inferences from model assumption analysis.
    Journal of Hydrology, 623, 129843, 2023.

  • Nagai, S., Katsumata, C., Miura, T., Tsutsumida, N., Ichie, T., Kotani, A., Nakagawa, M., Khoon, K. L., Kobayashi, H., Kumagai, T., Tei, S., Pungga, R. a. S., Yamada, T., Kameda, A., Yanagisawa, M., Nasahara, K. N., Muraoka, H., Ichii, K. and Tokumoto, Y.
    Perspective: Improving the accuracy of plant phenology observations and land-cover and land-use detection by optical satellite remote-sensing in the Asian tropics.
    Frontiers in Forests and Global Change, 6, 1106723, 2023.

  • Takamura, N., Hata, Y., Matsumoto, K., Kume, T., Ueyama, M. and Kumagai, T.
    El Nino-Southern Oscillation forcing on carbon and water cycling in a Bornean tropical rainforest.
    Proceedings of the National Academy of Sciences of the United States of America, 120(42), e2301596120, 2023.


    【令和５年度博士論文】

  • 羽田　泰彬
    ボルネオ熱帯雨林域における天然林とオイルパームの環境応答特性


    【令和５年度修士論文】

  • 高村　直也
    東南アジア熱帯雨林・季節林における水・炭素循環の時間変動特性


    【令和５年度卒業論文】

  • 田渕　喬史
    森林生態系多様性基礎調査に基づく日本の森林の二酸化炭素吸収速度



    戻る

    2022

    【学術誌に掲載された論文】

  • Koi, T., Hotta, N., Tanaka, Y. and Katsura, S.
    Generation and subsequent transport of landslide-driven large woody debris induced by the 2018 Hokkaido Eastern Iburi Earthquake.
    Frontiers in Earth Science, 9, 769061, 2022.

  • Oda, T., Hotta, N., Miura, S., Endo, I., Tanoi, K., Renschler, C. C. and Ohte, N.
    Redistribution of the soil 137Cs inventory through litter and sediment transport on a hillslope covered by deciduous forest in Fukushima, Japan.
    Earth Surface Processes and Landforms, 47(10), 2531-2543, 2022.


    【令和４年度修士論文】

  • 谷川　慶一郎
    大量生産を可能とする安価な野外連続クロロフィル蛍光測定装置の開発


    【令和４年度卒業論文】

  • 仮屋園　純平
    高性能UAV/LiDARを用いた葉面積指数３次元空間分布の推定


    戻る

    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.

  • Egusa, T., Oda, T., Sato, T. and Kumagai, T.
    Estimation of sub-annual inter-catchment groundwater flow using short-term water balance method.
    Hydrological Processes, 35(9), e14368, 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.

  • Hotta, N., Iwata, T., Suzuki, T. and Sakai, Y.
    The effects of particle segregation on debris flow fluidity over a rigid bed
    Environmental & Engineering Geoscience, 27(1), 139-149, 2021.

  • Momiyama, H., Kumagai, T. and Egusa, T.
    Model analysis of forest thinning impacts on the water resources during hydrological drought periods.
    Forest Ecology and Management, 499, 119593, 2021.

  • Oda, T., Egusa, T., Ohte, N., Hotta, N., Tanaka, N., Green, M. B. and Suzuki, M.
    Estimation of sub-annual inter-catchment groundwater flow using short-term water balance method.
    Hydrological Processes, 35(5), e14177, 2021.

  • Tsunetaka, H., Hotta, N., Imaizumi, F., Hayakawa, Y. S. and Masui, T.
    Variation in rainfall patterns triggering debris flow in the initiation zone of the Ichino-sawa torrent, Ohya landslide, Japan
    Geomorphology, 375, 107529, 2021.

  • Tsunetaka, H., Hotta, N., Sakai, Y. and Wasklewicz, T.
    Effect of debris-flow sediment grain-size distribution on fan morphology
    Earth Surface Dynamics, 10, 775-796, 2021.

  • Tsunetaka, H., Shinohara, Y., Hotta, N., Gomez, C. and Sakai, Y.
    Multi-decadal changes in the relationships between rainfall characteristics and debris-flow occurrences in response to gully evolution after the 1990-1995 Mount Unzen eruptions
    Earth Surface Processes and Landforms, 46(11), 2141-2162, 2021.


    【書籍】

  • 熊谷朝臣
    光合成と地球水循環．
    （『光合成』日本光合成学会 編，朝倉書店，東京） pp.89-92，2021．

  • 熊谷朝臣／講師
    地球環境と巨大森林火災．
    （『自然災害　そのメカニズムに学ぶ／新しい科学の世界へB』太田猛彦・藤嶋昭 特別監修，学研プラス，東京） pp.41-69，2021．


    【令和３年度卒業論文】

  • 高村　直也
    ボルネオ熱帯雨林における群落光合成を支配する生物・非生物的要因


    戻る

    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, 117(42), 26145-26150, 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


    戻る

    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


    戻る

    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


    戻る

    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


    戻る