Hiroki Iwata
location: 415 H Akasofu Building
email: hiwata
alaska [dot] edu
phone: 907-474-7337
Projects
- improve the synthesis study
- develop new model using IJIS system
- continue the field observation with Masahito Ueyama
Professional Interests
- Turbulence in the atmospheric boundary layer
- Energy and mass exchange between land and the atmosphere
Education
- Faculty of Environmental Science and Technology, Okayama University
- Okayama University Graduate School of Natural Science and Technology
- Graduate School of Life and Environmental Sciences, University of Tsukuba
Selected Publications
Saito, K., Yamaguchi, S., Iwata, H., Harazono, Y., Kosugi, K., Lehning, M. and Shulski, M.: Climatic physical snowpack properties for large-scale modeling examined by observations and a physical model, Polar Science, in press.
Mizoguchi, Y., Ohtani, Y., Takanashi, S., Iwata, H., Yasuda, Y., and Nakai, Y.: Seasonal and interannual variation in net ecosystem production of an evergreen needleleaf forest, Journal of Forest Research, in press.
Iwata, H., Harazono, Y., and Ueyama, M.: The role of permafrost in water exchange of a black spruce forest in Interior Alaska, Agricultural and Forest Meteorology 161, 107-115, 2012.
Marthews, T. R., Malhi, Y., and Iwata, H.: Calculating downward longwave radiation under clear and cloudy conditions over a tropical lowland forest site: an evaluation of model schemes for hourly data, Theoretical and Applied Climatology 107, 461-477, 2012.
Iwata, H., Harazono, Y., Ueyama, M., Tsuyuzaki, S., Kondo, M., and Uchida, M.: Quick recovery of carbon dioxide exchanges in a burned black spruce forest in Interior Alaska, SOLA 7, 105-108, 2011.
Nakai, T., Iwata, H., and Harazono, Y.: Importance of mixing ratio for a long-term CO2 flux measurement with a closed-path system, Tellus 63B, 302-308, 2011.
Iwata, H., Harazono, Y., and Ueyama, M.: Influence of source/sink distributions on flux-gradient relationships in the roughness sublayer over an open forest canopy under unstable conditions, Boundary-Layer Meteorology 136, 391-405, 2010.
Iwata, H., Asanuma, J., Ohtani, Y., Mizoguchi, Y., and Yasuda, Y.: Vertical length scale of transporting eddies for sensible heat in the unstable roughness sublayer over a forest canopy, Journal of Agricultural Meteorology 65, 1-9, 2009.
Iwata, H., Malhi, Y., and von Randow, C.: Gap-filling measurements of carbon dioxide storage in tropical rainforest canopy air space, Agricultural and Forest Meteorology 132, 305-314, 2005.

