Publications



Last updated on September 27, 2021

   

 

Books

　

　

  1. Iida, S., Shimizu, T., Shinohara, Y., Takeuchi, S. and Kumagai, T. (2020) 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. [Go to Springer Nature]

  2. Kumagai, T., Kanamori, H. and Chappell, N. A. (2016) Tropical forest hydrology. (In: Forest Hydrology: Processes, Management and Assessment. Eds. Amatya, D. M., Williams, T. M., Bren, L. and de Jong, C., CAB International, Wallingford, UK) pp.88-102. [Go to CABI] [Full Mansucript in PDF]

  3. Kumagai, T. (2016) Global water balance. (In: Encyclopedia of Botany. Ed. The Botanical Society of Japan,  Maruzen, Tokyo, Japan) pp.198-199. <In Japanese>

  4. Hikosaka, K., Kumagai, T. and Ito, A. (2016) Modeling canopy photosynthesis. (In: Canopy Photosynthesis: From Basics to Applications. Advances in Photosynthesis and Respiration, Eds. Hikosaka, K., Anten, N. and Niinemets, U., Springer-Verlag, Dordrecht, Germany) pp.239-268. [Go to Springer]

  5. Kumagai, T. (2016) Observation and modelling of net ecosystem carbon exchange over canopy. (In: Canopy Photosynthesis: From Basics to Applications. Advances in Photosynthesis and Respiration, Eds. Hikosaka, K., Anten, N. and Niinemets, U., Springer-Verlag, Dordrecht, Germany) pp.269-287. [Go to Springer] [Full Mansucript in PDF]

  6. Otsuki, K., Higashi, N., Chiwa, M. and Kumagai, T. (2012) Improvement of river basins: Forests. (In: Reviving the Ariake Sea - A Road to the Revival. Ed. Kusuda, T., Kouseisha-kouseikaku Corporation, Tokyo, Japan) pp.217-220. <In Japanese>

  7. Kumagai, T. (2011) Transpiration in forest ecosystems. (In: Forest Hydrology and Biogeochemistry: Synthesis of Past Research and Future Directions. Ecological Studies Series No. 216, Eds. Levia, D. F., Carlyle-Moses, D. E. and Tanaka, T., Springer-Verlag, Heidelberg, Germany) pp.389-406. [Go to Springer] [Full Mansucript in PDF]

  8. Kumagai, T. (2008) Forests and water. (In: Lectures on Ecology. Wonders of Forests. Eds. Ecology Sciety of Japan and Yahara, T., Bun-ichi Co., Ltd., Tokyo, Japan) pp.26-35. <In Japanese>

  9. Kumagai, T. (2007) A forest water use estimated from water flow in a stem. (In: Forest Hydrology. Sciences on Water Cycling in Forest Ecosystems. Ed. Editorial Committee on Forest Hydrology, Morikita Publishing Co., Ltd., Tokyo, Japan) pp.110-130. <In Japanese>

  10. Kumagai, T. (2006) Energy balance. (In: Forest Field Science. Ed. Japanese Association of University Forests, Asakura Publishing Co., Ltd., Tokyo, Japan) pp.120-123. <In Japanese>

  11. Kume, A., Otsuki, K., Kumagai, T. and Ogawa, S. Eds. (2003) Japanese Edition of 'An Intorduction to Environmental Biophysics 2nd Edition by Campbell, G. S. and Norman, J. M.' Morikita Publishing Co., Ltd., Tokyo, Japan. <In Japanese>

 

Original articles

　

　

 1997-2000 | 2001-2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 

 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2021

    2021

  1. Egusa, T., Kumagai, T., Oda, T. and Ohte, N. (2021) 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. [Full Mansucript in PDF]


  2. Egusa, T., Oda, T., Sato, T. and Kumagai, T. (2021) Estimation of sub-annual inter-catchment groundwater flow using short-term water balance method. Hydrological Processes, 35(9), e14368. [Full Mansucript in PDF]


  3. Fujime, N., Kumagai, T., Egusa, T., Momiyama, H. and Uchiyama, Y. (2021) Importance of calibration in determining forest stand transpiration using the thermal dissipation method. Agricultural and Forest Meteorology, 301-302, 108356. [Full Mansucript in PDF]


  4. Momiyama, H., Kumagai, T. and Egusa, T. (2021) Model analysis of forest thinning impacts on the water resources during hydrological drought periods. Forest Ecology and Management, 499, 119593. [Full Mansucript in PDF]


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    2020

  5. Egusa, T., Kumagai, T. and Shiraishi, N. (2020) Carbon stock in Japanese forests has been greatly underestimated. Scientific Reports, 10, 7895. [Full Mansucript in PDF]


  6. 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. (2020) Advancing ecohydrology in the 21st century: a convergence of opportunities. Ecohydrology, 13(4), e2208. [Full Mansucript in PDF]


  7. 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. (2020) Homogenization of the terrestrial water cycle. Nature Geoscience, 13(10), 656-658. [Full Mansucript in PDF]


  8. 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. (2020) 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. [Full Mansucript in PDF]


  9. 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. (2020) Inferring CO2 fertilization effect based on global monitoring land-atmosphere exchange with a theoretical model. Environmental Research Letters, 15(8), 084009. [Full Mansucript in PDF]


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


  11. Yoshifuji, N., Kumagai, T., Ichie, T., Kume, T., Tateishi, M., Inoue, Y., Yoneyama, A. and Nakashizuka, T. (2020) 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. [Full Mansucript in PDF]


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    2019

  12. Egusa, T., Kumagai, T., Oda, T., Gomi, T. and Ohte, N. (2019) 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. [Full Mansucript in PDF]


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


  14. Ohashi, M., Makita, N., Katayama, A., Kume, T., Matsumoto, K., Kumagai, T., Endo, I. and Kho, L. K. (2019) 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. [Full Mansucript in PDF]


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    2018

  15. Kanamori, H., Kumagai, T., Fujinami, H., Hiyama, T. and Yasunari, T. (2018) Effects of long- and short-term atmospheric water cycles on the water balance over the Maritime Continent. Journal of Hydrometeorology, 19(9), 1413–1427. [Full Mansucript in PDF]


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


  17. McDowell, N., Allen, C., Anderson-Teixeira, K., Brando, P., Brienen, R., Chambers, J., Christoffersen, B., Davies, S., Doughty, C., Duque, Á., 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. (2018) Drivers and mechanisms of tree mortality in moist tropical forests. New Phytologist, 219(3), 851-869. [Full Mansucript in PDF]


  18. Miyazawa, Y., Du, S., Taniguchi, T., Yamanaka, N. and Kumagai, T. (2018) 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. [Full Mansucript in PDF]


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    2017

  19. Inoue, Y., Ichie, T., Kenzo, T., Yoneyama, A., Kumagai, T. and Nakashizuka, T. (2017) 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. [Full Mansucript in PDF]


  20. Saito, T., Kumagai, T., Tateishi, M., Kobayashi, N., Otsuki, K. and Giambelluca, T. W. (2017) 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. [Full Mansucript in PDF]


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


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


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    2016

  23. Ghannam, K., Nakai, T., Paschalis, A., Oishi, A. C., Kotani, A., Igarashi, Y., Kumagai, T. and Katul, G. (2016) Persistence and memory timescales in root-zone soil moisture dynamics. Water Resources Research, 52, 1427-1445, doi:10.1002/2015WR017983. [Full Mansucript in PDF]


  24. Giambelluca, T. W., Mudd, R. G., Liu, W., Ziegler, A. D., Kobayashi, N., Kumagai, T., Miyazawa, Y., Lim, T. K., Huang, M., Fox, J., Yin, S., Mak, S. V. and Kasemsap, P. (2016) Evapotranspiration of rubber (Hevea brasiliensis) cultivated at two sites in southeast Asia. Water Resources Research, 52, 660-679, doi:10.1002/2015WR017755. [Full Mansucript in PDF]


  25. Hamada, S., Kumagai, T., Kochi, K., Kobayashi, N., Hiyama, T. and Miyazawa, Y. (2016) Spatial and temporal variations in photosynthetic capacity of a temperate deciduous-evergreen forest. Trees -Structure and Function, 30(4), 1083-1093. [Full Mansucript in PDF]


  26. Katayama, A., Kume, T., Ohashi, M., Matsumoto, K., Nakagawa, M., Saito, T., Kumagai, T. and Otsuki, K. (2016) Characteristics of wood CO2 efflux in a Bornean tropical rainforest. Agricultural and Forest Meteorology, 220, 190-199. [Full Mansucript in PDF]


  27. Kurita, N., Nakatsuka, T., Ohnishi, K., Mitsutani, T. and Kumagai, T. (2016) Analysis of the interdecadal variability of summer precipitation in central Japan using a reconstructed 106-year-long oxygen isotope record from tree-ring cellulose. Journal of Geophysical Research -Atmospheres, 121, 12089-12107, doi:10.1002/2016JD025463. [Full Mansucript in PDF]


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    2015

  28. Igarashi, Y., Katul, G., Kumagai, T., Yoshifuji, N., Sato, T., Tanaka, N., Tanaka, K., Fujinami, H., Suzuki, M. and Tantasirin, C. (2015) Separating physical and biological controls on long-term evapotranspiration fluctuations in a tropical deciduous forest subjected to monsoonal rainfall. Journal of Geophysical Research -Biogeosciences, 120(7), 1262-1278, doi:10.1002/2014JG002767. [Full Mansucript in PDF]


  29. Igarashi, Y., Kumagai, T., Yoshifuji, N., Sato, T., Tanaka, N., Tanaka, K., Suzuki, M. and Tantasirin, C. (2015) Environmental control of canopy stomatal conductance in a tropical deciduous forest in northern Thailand. Agricultural and Forest Meteorology, 202, 1-10. [Full Mansucript in PDF]


  30. Kumagai, T., Mudd, R. G., Giambelluca, T. W., Kobayashi, N., Miyazawa, Y., Lim, T. K., Liu, W., Huang, M., Fox, J. M., Ziegler, A. D., Yin, S., Mak, S. V. and Kasemsap, P. (2015) How do rubber (Hevea brasiliensis) plantations behave under seasonal water stress in northeastern Thailand and central Cambodia? Agricultural and Forest Meteorology, 213, 10-22. [Full Mansucript in PDF]


  31. Saito, T., Yamamoto, K., Komatsu, M., Matsuda, H., Yunihara, S., Xiang, Y., Komatsu, H., Tateishi, M., Otsuki, K. and Kumagai, T. (2015) Using airborne LiDAR to determine total sapwood area for estimating stand transpiration in plantations. Hydrological Processes, 29(24), 5071-5087. [Full Mansucript in PDF]


  32. Sato, H. Kumagai, T., Takahashi, A. and Katul, G. G. (2015) Effects of different representations of stomatal conductance response to humidity across the African continent under warmer CO2-enriched climate conditions. Journal of Geophysical Research -Biogeosciences, 120(5), 979-988, doi:10.1002/2014JG002838. [Full Mansucript in PDF]


  33. Shimizu, T., Kumagai, T., Kobayashi, M., Tamai, K., Iida, S., Kabeya, N., Ikawa, R., Tateishi, M., Miyazawa, Y. and Shimizu, A. (2015) Estimation of annual forest evapotranspiration from a coniferous plantation watershed in Japan (2): Comparison of eddy covariance, water budget and sap-flow plus interception loss. Journal of Hydrology, 522, 250-264. [Full Mansucript in PDF]


  34. Tanaka, N., Levia, D., Igarashi, Y., Nanko, K., Yoshifuji, N., Tanaka, K., Tantasirin, C., Suzuki, M. and Kumagai, T. (2015) Throughfall under a teak plantation in Thailand: a multifactorial analysis on the effects of canopy phenology and meteorological conditions. International Journal of Biometeorology, 59(9), 1145-1156. [Full Mansucript in PDF]


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    2014

  35. Katayama, A., Kume, T., Komatsu, H., Ohashi, M., Matsumoto, K., Ichihashi, R., Kumagai, T. and Otsuki, K. (2014) Vertical variations in wood CO2 efflux for live emergent trees in a Bornean tropical rainforest. Tree Physiology, 34(5), 503-512. [Full Mansucript in PDF] 

  36. Kobayashi, N., Kumagai, T., Miyazawa, Y., Matsumoto, K., Tateishi, M., Lim, T. K., Mudd, R. G., Ziegler, A., Giambelluca, T. W. and Yin, S. (2014) Transpiration characteristics of a rubber plantation in central Cambodia. Tree Physiology, 34(3), 285-301. [Full Mansucript in PDF] 

  37. Komatsu, H., Shinohara, Y., Kumagai, T., Kume, T., Tsuruta, K., Xiang, Y., Ichihashi, R., Tateishi, M., Shimizu, T., Miyazawa, Y., Nogata, M., Laplace, S., Han, T., Chiu, C.-W., Ogura, A., Saito, T. and Otsuki, K. (2014) A model relating transpiration for Japanese cedar and cypress plantations with stand structure. Forest Ecology and Management, 334, 301-312. [Full Mansucript in PDF] 

  38. Kumagai, T., Tateishi, M., Miyazawa, Y., Kobayashi, M., Yoshifuji, N., Komatsu, H. and Shimizu, T. (2014) Estimation of annual forest evapotranspiration from a coniferous plantation watershed in Japan (1): Water use components in Japanese cedar stands. Journal of Hydrology, 508, 66-76. [Full Mansucript in PDF] 

  39. Miyazawa, Y., Tateishi, M., Komatsu, H., Iwanaga, F., Mizoue, N., Ma, V., Sokh, H. and Kumagai, T. (2014) Implications of leaf-scale physiology for whole tree transpiration under seasonal flooding and drought in central Cambodia. Agricultural and Forest Meteorology, 198-199, 221-231. [Full Mansucript in PDF] 

  40. Miyazawa, Y., Tateishi, M., Komatsu, H., Ma, V., Kajisa, T., Sokh, H., Mizoue, N. and Kumagai, T. (2014) Tropical tree water use under seasonal waterlogging and drought in central Cambodia. Journal of Hydrology, 515, 81-89. [Full Mansucript in PDF] 

  41. Nakai, T., Katul, G. G., Kotani, A., Igarashi, Y., Ohta, T., Suzuki, M. and Kumagai, T. (2014) Radiative and precipitation controls on root zone soil moisture spectra. Geophysical Research Letters, 41(21), 7546-7554, DOI: 10.1002/2014GL061745. [Full Mansucript in PDF] 

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    2013

  42. Chiwa, M., Enoki, T., Higashi, N., Kumagai, T. and Otsuki, K. (2013) The increased contribution of atmospheric nitrogen deposition to nitrogen cycling in a rural forested area of Kyushu, Japan. Water, Air, and Soil Pollution, 224(11):1763. [Full Mansucript in PDF] 

  43. Katayama, A., Kume, T., Komatsu, H., Saitoh, T. M., Ohashi, M., Nakagawa, M., Suzuki, M., Otsuki, K. and Kumagai, T. (2013) Carbon allocation in a Bornean tropical rainforest without dry seasons. Journal of Plant Research, 126(4), 505-515. [Full Mansucript in PDF] 

  44. Kumagai, T., Kanamori, H. and Yasunari, T. (2013) Deforestation-induced reduction in rainfall. Hydrological Processes, 27(25), 3811-3814. [Full Mansucript in PDF] 

  45. Kumagai, T., Mudd, R. G., Miyazawa, Y., Liu, W., Giambelluca, T. W., Kobayashi, N., Lim, T. K., Jomura, M., Matsumoto, K., Huang, M., Chen, Q., Ziegler, A. and Yin, S. (2013) Simulation of canopy CO2/H2O fluxes for a rubber (Hevea brasiliensis) plantation in central Cambodia: the effect of the regular spacing of planted trees. Ecological Modelling, 265, 124-135. [Full Mansucript in PDF] 

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    2012

  46. Kumagai, T. and Kume, T. (2012) Influences of diurnal rainfall cycle on CO2 exchange over Bornean tropical rainforests. Ecological Modelling, 246, P91-98. [Full Mansucript in PDF] 

  47. Kumagai, T. and Porporato, A. (2012) Drought-induced mortality of a Bornean tropical rainforest amplified by climate change. Journal of Geophysical Research -Biogeosciences, 117, G02032, doi:10.1029/2011JG001835. [Full Mansucript in PDF]
    Appearing at RESERACH SPOTLIGHT in EOS, 93(33), 14 August 2012.
    Introduced in ScienceDaily (July 16, 2012).
  48. Kumagai, T. and Porporato, A. (2012) Strategies of a Bornean tropical rainforest water use as a function of rainfall regime: isohydric or anisohydric? Plant, Cell and Environment, 35(1), P61-71. [Full Mansucript in PDF] 

  49. Xue, B.-L., Komatsu, H., Kumagai, T., Kotani, A., Otsuki, K. and Ohta, T. (2012) Interannual variation of evapotranspiration in an eastern Siberian larch forest. Hydrological Processes, 26(15), P2360-2368. [Full Mansucript in PDF] 

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    2011

  50. Kume, T., Tanaka, N., Kuraji, K., Komatsu, H., Yoshifuji, N., Saitoh, T. M., Suzuki, M. and Kumagai, T. (2011) Ten-year evapotranspiration estimates in a Bornean tropical rainforest. Agricultural and Forest Meteorology, 151(9), P1183-1192. [Full Mansucript in PDF] 

  51. Miyazawa, Y., Tateishi, M., Komatsu, H., Kumagai, T. and Otsuki, K. (2011) Are measurements from excised leaves suitable for modeling diurnal patterns of gas exchange of intact leaves? Hydrological Processes, 25(18), P2924-2930. [Full Mansucript in PDF] 

  52. Xue, B.-L., Kumagai, T., Iida, S., Nakai, T., Matsumoto, K., Komatsu, H., Otsuki, K. and Ohta, T. (2011) Influences of canopy structure and physiological traits on flux partitioning between understory and overstory in an eastern Siberian boreal larch forest. Ecological Modelling, 222(8), P1479-1490. [Full Mansucript in PDF] 

  53. Yoshifuji, N., Komatsu, H., Kumagai, T., Tanaka, N., Tantasirin, C. and Suzuki, M. (2011) Interannual variation in transpiration onset and its predictive indicator for a tropical deciduous forest in northern Thailand based on 8-year sap-flow records. Ecohydrology, 4(2), P225-235. [Full Mansucript in PDF] 

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    2010

  54. Komatsu, H., Hashimoto, H., Kume, T., Tanaka, N., Yoshifuji, N., Otsuki, K., Suzuki, M. and Kumagai, T. (2010) Modeling seasonal changes in the temperature lapse rate in a northern Thailand mountainous area. Journal of Applied Meteorology and Climatology, 49(6), P1233-1246. [Full Mansucript in PDF] 

  55. Komatsu, H., Onozawa, Y., Kume, T., Tsuruta, K., Kumagai, T., Shinohara, Y. and Otsuki, K. (2010) Stand-scale transpiration estimates in a Moso bamboo forest: II. Comparison with coniferous forests. Forest Ecology and Management, 260(8), P1295-1302. [Full Mansucript in PDF] 

  56. Kume, T., Tsuruta, K., Komatsu, H., Kumagai, T., Higashi, N., Shinohara, Y. and Otsuki, K. (2010) Effects of sample size on sap flux-based stand-scale transpiration estimates. Tree Physiology, 30(1), P129-138. [Full Mansucript in PDF] 

  57. Tateishi, M., Kumagai, T., Suyama, Y. and Hiura, T. (2010) Differences in transpiration characteristics of Japanese beech trees, Fagus crenata, in Japan. Tree Physiology, 30(6), P748-760. [Full Mansucript in PDF] 

  58. Tsuruta, K., Kume, T., Komatsu, H., Higashi, N., Umebayashi, T., Kumagai, T. and Otsuki, K. (2010) Azimuthal variations of sap flux density within Japanese cypress xylem trunks and their effects on tree transpiration estimates. Journal of Forest Research, 15(6), P398-403. [Full Mansucript in PDF] 

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    2009

  59. Fisher, J. B., Malhi, Y., Bonal, D., da Rocha, H. R., de Araujo, A. C., Gamo, M., Goulden, M. L., Hirano, T., Huete, A. R., Kondo, H., Kumagai, T., Loescher, H., Miller, S., Nobre, A. D., Nouvellon, Y., Oberbauer, S., Panuthai, S., Roupsard, O., Saleska, S., Tanaka, K., Tanaka. N., Tu, K. P. and von Randow, C. (2009) The land-atmosphere water flux in the tropics. Global Change Biology, 15(11), P2694-2714. [Full Mansucript in PDF] 

  60. Katayama, A., Kume, T., Komatsu, H., Ohashi, M., Nakagawa, M., Yamashita, M., Otsuki, K., Suzuki, M. and Kumagai, T. (2009) Effect of forest structure on the spatial variation in soil respiration in a Bornean tropical rainforest. Agricultural and Forest Meteorology, 149(10), P1666-1673. [Full Mansucript in PDF] 

  61. Kumagai, T., Aoki, S., Otsuki, K. and Utsumi, Y. (2009) Impact of stem water storage on diurnal estimates of whole-tree transpiration and canopy conductance from sap flow measurements in Japanese cedar and Japanese cypress trees. Hydrological Processes, 23(16), P2335-2344. [Full Mansucript in PDF] 

  62. Kumagai, T., Yoshifuji, N., Tanaka, N., Suzuki, M. and Kume, T. (2009) Comparison of soil moisture dynamics between a tropical rainforest and a tropical seasonal forest in Southeast Asia: impact of seasonal and year-to-year variations in rainfall. Water Resources Research, 45, W04413, doi:10.1029/2008WR007307. [Full Mansucript in PDF] 

  63. Shinohara, Y., Kumagai, T., Otsuki, K., Kume, A. and Wada, N. (2009) Impact of climate change on runoff from a mid-latitude mountainous catchment in central Japan. Hydrological Processes, 23(10), P1418-1429. [Full Mansucript in PDF] 

    64. Return 


    2008

  64. Kume, T., Manfroi, O. J., Suzuki, M., Tanaka, K., Kuraji, K., Nakagawa, M., Komatsu, H. and Kumagai, T. (2008) Estimation of vertical profiles of leaf drying times after rainfall within a Bornean tropical rainforest. Hydrological Processes, 22(18), P3689-3696. [Full Mansucript in PDF] 

  65. Kume, T., Manfroi, O. J., Kuraji, K., Tanaka, N., Horiuchi, T., Suzuki, M. and Kumagai, T. (2008) Estimation of canopy water storage capacity from sap flow measurements in a Bornean tropical rainforest. Journal of Hydrology, 352(3-4), P288-295. [Full Mansucript in PDF] 

  66. Kumagai, T., Tateishi, M., Shimizu, T. and Otsuki, K. (2008) Transpiration and canopy conductance at two slope positions in a Japanese cedar forest watershed. Agricultural and Forest Meteorology, 148(10), P1444-1455. [Full Mansucript in PDF] 

  67. Ohashi, M., Kumagai, T., Kume, T., Gyokusen, K., Saitoh, T. M. and Suzuki, M. (2008) Characteristics of soil CO2 efflux variability in an aseasonal tropical rainforest in Borneo Island. Biogeochemistry, 90(3), P275-289. [Full Mansucript in PDF] 

  68. Tateishi, M., Kumagai, T., Utsumi, Y., Umebayashi, T., Shiiba, Y., Inoue, K., Kaji, K., Cho, K. and Otsuki, K. (2008) Spatial variations in xylem sap flux density in evergreen oak trees with radial-porous wood: comparisons with anatomical observations. Trees - Structure and Function, 23(1), P23-30. [Full Mansucript in PDF] 

  69. Tsuruta, K., Kume, T., Komatsu, H., Higashi, N., Kumagai, T. and Otsuki, K. (2008) Relationship between tree height and transpiration for individual Japanese Cypress (Chamaecyparis Obtusa). Journal of Japan Society of Hydrology and Water Resources, 21(6), P414-422. <In Japanese with English abstract and figure captions> 

    70. Return 


    2007

  70. Kumagai, T., Aoki, S., Shimizu, T. and Otsuki, K. (2007) Sap flow estimates of stand transpiration at two slope positions in a Japanese cedar forest watershed. Tree Physiology, 27(2), P161-168. [Full Mansucript in PDF] 

    Return 


    2006

  71. Kumagai, T., Ichie, T., Yoshimura, M., Yamashita, M., Kenzo, T., Saitoh, T. M., Ohashi, M., Suzuki, M., Koike, T. and Komatsu, H. (2006) Modeling CO2 exchange over a Bornean tropical rain forest using measured vertical and horizontal variations in leaf-level physiological parameters and leaf area densities. Journal of Geophysical Research -Atmospheres, 111, D10107, doi:10.1029/2005JD006676. [Full Mansucript in PDF] 

  72. Manfroi, O. J., Kuraji, K., Suzuki, M., Tanaka, N., Kume, T., Nakagawa, M., Kumagai, T. and Nakashizuka, T. (2006) Comparison of conventionally observed interception evaporation in a 100-m2 subplot with that estimated in a 4-ha area of the same Bornean lowland tropical forest. Journal of Hydrology, 329(1-2), P329-349. [Full Mansucript in PDF] 

  73. Yoshifuji, N., Kumagai, T., Tanaka, K., Tanaka, N., Komatsu, H., Suzuki, M. and Tantasirin, C. (2006) Inter-annual variation in growing season length of a tropical seasonal forest in northern Thailand. Forest Ecology and Management, 229(1-3), P333-339. [Full Mansucript in PDF] 

    74. Return 


    2005

  74. Komatsu, H., Kumagai, T. and Hotta, N. (2005) Is surface conductance theoretically independent of reference height? Hydrological Processes, 19(1), P339-347. [Full Mansucript in PDF] 

  75. Kumagai, T., Aoki, S., Nagasawa, H., Mabuchi, T., Kubota, K., Inoue, S., Utsumi, Y. and Otsuki, K. (2005) Effects of tree-to-tree and radial variations on sap flow estimates of transpiration in Japanese cedar. Agricultural and Forest Meteorology, 135(1-4), P110-116. [Full Mansucript in PDF] 

  76. Kumagai, T., Nagasawa, H., Mabuchi, T., Ohsaki, S., Kubota, K., Kogi, K., Utsumi, Y., Koga, S. and Otsuki, K. (2005) Sources of error in estimating stand transpiration using allometric relationships between stem diameter and sapwood area for Cryptomeria japonica and Chamaecyparis obtusa. Forest Ecology and Management, 206(1-3), P191-195. [Full Mansucript in PDF] 

  77. Kumagai, T., Saitoh, T. M., Sato, Y., Takahashi, H., Manfroi, O. J., Morooka, T., Kuraji, K., Suzuki, M., Yasunari, T. and Komatsu, H. (2005) Annual water balance and seasonality of evapotranspiration in a Bornean tropical rainforest. Agricultural and Forest Meteorology, 128(1-2), P81-92. [Full Mansucript in PDF] 

  78. Saitoh, T. M.,Kumagai, T., Sato, Y. and Suzuki, M. (2005) Carbon dioxide exchange over a Bornean tropical rainforest. Journal of Agricultural Meteorology, 60(5), P553-556. 

  79. Saitoh, T. M.,Kumagai, T., Ohashi, M., Morooka, T. and Suzuki, M. (2005) Nighttime CO2 flux over a Bornean tropical rainforest. Journal of Japan Society of Hydrology and Water Resources, 18(1), P64-72. <In Japanese with English abstract and figure captions> 

    80. Return 


    2004

  80. Kumagai, T., Katul, G. G., Porporato, A., Saitoh, T. M., Ohashi, M., Ichie, T. and Suzuki, M. (2004) Carbon and water cycling in a Bornean tropical rainforest under current and future climate scenarios. Advances in Water Resources, 27(12), P1135-1150. [Full Mansucript in PDF] 

  81. Kumagai, T., Katul, G. G., Saitoh, T. M., Sato, Y., Manfroi, O. J., Morooka, T., Ichie, T., Kuraji, K., Suzuki, M. and Porporato, A. (2004) Water cycling in a Bornean tropical rain forest under current and projected precipitation scenarios. Water Resources Research, 40(1), W01104, 10.1029/2003WR002226. [Full Mansucript in PDF] 

  82. Kumagai, T., Saitoh, T. M., Sato, Y., Morooka, T., Manfroi, O. J., Kuraji, K. and Suzuki, M. (2004) Transpiration, canopy conductance and the decoupling coefficient of a lowland mixed dipterocarp forest in Sarawak, Borneo: dry spell effects. Journal of Hydrology, 287(1-4), P237-251. [Full Mansucript in PDF] 

  83. Sato, Y., Kumagai, T., Kume, A., Otsuki, K. and Ogawa, S. (2004) Experimental analysis of moisture dynamics of litter layers -the effects of rainfall conditions and leaf shapes. Hydrological Processes, 18(16), P3007-3018. [Full Mansucript in PDF] 

  84. Saitoh, T. M., Kumagai, T., Sato, Y. and Suzuki, M. (2004) An auto measurement system for CO2 concentration profile within a canopy. Journal of Japan Society of Hydrology and Water Resources, 17(6), P648-653. <In Japanese with English abstract and figure captions>

    85. Return 


    2001-2003

  85. Haga, H., Kumagai, T., Otsuki, K. and Ogawa, S. (2002) Transport and retention of coarse woody debris in mountain streams: An in situ field experiment of log transport and a field survey of coarse woody debris distribution. Water Resources Research, 38(8), 10.1029/2001WR001123. [Full Mansucript in PDF] 

  86. Komatsu, H. and Kumagai, T. (2002) How to stabilize numerical calculations of the canopy multi-layer model based on K-theory. Journal of Japan Society of Hydrology and Water Resources, 15(3), P302-308. <In Japanese with English figure captions> 

  87. Kumagai, T. (2001) Modeling water transportation and storage in sapwood -model development and validation. Agricultural and Forest Meteorology, 109(2), P105-115. [Full Mansucript in PDF] 

  88. Kumagai, T., Kuraji, K., Noguchi, H., Tanaka, Y., Tanaka, K. and Suzuki, M. (2001) Vertical profiles of environmental factors within tropical rainforest, Lambir Hills National Park, Sarawak, Malaysia. Journal of Forest Research, 6(4), P257-264. [Full Mansucript in PDF] 

    89. Return 


    1997-2000

  89. Sato, Y., Kumagai, T. and Ogawa, S. (1999) Effects of the litter layer on the control of infiltration and soil evaporation. Journal of the Japanese Forestry Society, 81(3), P250-253. <In Japanese with English abstract and figure captions>

  90. Kumagai, T. (1998) Process of formation of CO2 gas environment in forest soil -Examination using numerical model. Journal of the Japanese Forestry Society, 80(3), P214-222. <In Japanese with English abstract and figure captions>

  91. Kumagai, T., Suzuki, M. and Ohta, T. (1997) The effects of mulch on the heat and water regimes of semi-arid region -Analysis using numerical simulation. Journal of the Japanese Society of Revegetation Technology, 23(1), P4-19. <In Japanese with English abstract and figure captions> 

    92. Return 

 

Proceedings and Reseach Institute Bulletins
(Including only English papers)

  1. Miyazawa, Y., Kobayashi, N., Mudd, R.G., Tateishi, M., Lim, T., Mizoue, N., Giambelluca, T.W. and　Kumagai, T. (2013) Leaf and soil-plant hydraulic processes in the transpiration of tropical forest.　Procedia Environmental Sciences, 19(Four Decades of Progress in Monitoring and Modeling of Processes in the Soil-Plant-Atmosphere System: Applications and Challenges), P77-85. 

  2. Komatsu, H., Kumagai, T. and Hotta, N. (2007) Effects of vertical air temperature distribution within forest canopies on photosynthesis and transpiration. Bulletin of the Kyushu University Forests, 88, P1-19. 

  3. Wakahara, T., Shiraki, K., Sato, Y., Kuraji, K. and Kumagai, T. (2005) Distribution of soil depth and soil water content in Lambir Hills National Park. In: Suzuki, M., Chong, L., Yoshifuji, N., Sakai, S., Kuraji, K. and Nakashizuka, T. (Eds.),　Proceedings of International Symposium on Forest Ecology, Hydrometeorology and Forest Ecosystem Rehabilitation in Sarawak, 29-30 November 2005, Kuching, Sarawak, Malaysia. Sarawak Forestry Corporation and Japan Research Consortium for Tropical Forests in Sarawak, Sarawak, Malaysia, P231-234. 

  4. Sato, Y., Kumagai, T., Saitoh, T. M. and Suzuki, M. (2004) Characteristics of soil temperature and soil heat flux within tropical rainforest, Lambir Hills National Park, Sarawak, Malaysia.Bulletin of the Institute of Tropical Agriculture, Kyushu University, 27, P55-63. 

  5. Kuraji, K., Kume, T., Manfroi, O. J., Morooka, T., Kumagai, T. and Suzuki, M. (2004) Long-term micro-meteorological monitoring and some findings in relation to the possible proximate cue of general flowering events in Dipterocarp forest, Lambir Hills National Park, Sarawak, Malaysia. In: Sidle, R. C., Tani, M., Abudal Rahim, N. and Tewordros Ayele, T. (Eds.),　Forest and Water in Warm, Humid Asia (Proceedings of a IUFRO Forest Hydrology Workshop, 10-12 July 2004, Kota Kinabal, Malaysia). Disaster Prevention Research Institute, Uji, Japan, P84-87. 

  6. Kumagai, T., Kuraji, K. and Suzuki, M. (2001) The monitoring of CO2 and H2O exchange over a tropical rainforest canopy using a 80m crane. In: Ichioka, T., Nakashizuka, T. and Chong, L. (Eds.),　Proceedings of the International Symposium. Canopy Processes and Ecological Roles of Tropical Rain Forest, 12-13 March, 2001, Miri, Sarawak, Malaysia. Research Institute for Humanity and Nature, Kyoto, Japan, P78-84. 

  7. Kuraji, K., Tanaka, Y., Kumagai, T. and Suzuki, M. (2001) Long-term monitoring of physical environment in and above the canopy and underground in Lambir. In: Ichioka, T., Nakashizuka, T. and Chong, L. (Eds.),　Proceedings of the International Symposium. Canopy Processes and Ecological Roles of Tropical Rain Forest, 12-13 March, 2001, Miri, Sarawak, Malaysia. Research Institute for Humanity and Nature, Kyoto, Japan, P72-77.