English
日本語
Hiroki Iwata
location:
email: hiwata
kais [dot] kyoto-u [dot] ac [dot] jp
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
Iwata, H., Ueyama, M., Iwama, C., and Harazono, Y.: Variations in fraction of absorbed photosynthetically active radiation and comparisons with MODIS data in burned black spruce forests of interior Alaska, Polar Science, in press
Ueyama, M., Iwata, H., Harazono, Y., Euskirchen, E. S., Oechel, W. C., and Zona, D.: Growing season and spatial variations of carbon fluxes of Arctic and boreal ecosystems in Alaska, Ecological Applications, accepted
Iwata, H., Harazono, Y., and Ueyama, M.: Sensitivity and offset changes of a fast-response open-path infrared gas analyzer during long-term observations in an Arctic environment, Journal of Agricultural Meteorology, 68, 175-181, 2012
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, 6, 79-95, 2012
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, 17, 283-295, 2012.
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.
