Publications
If you are interested in my papers written in Japanese, please go to this site
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- 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]
- 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]
- 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]
- 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]
- 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]
- Kume, T., Tsuruta, K., Komatsu, H., Kumagai, T., Higashi, N., Shinohara, Y. and Otsuki, K. (2009) Sample sizes for sap flux-based stand-scale transpiration estimates in a Japanese cypress forest. Tree Physiology, in press.
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- 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]
- 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]
- 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]
- 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]
- 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]
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- 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]
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- 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]
- 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]
- 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]
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- 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]
- 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]
- 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]
- 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]
- 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.
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- 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]
- 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]
- 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]
- 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]
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- 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]
- 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.
- 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]
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