Hiroki Iwata

Hiroki Iwata
Visiting Research Scholar
affiliations: IARC / IJIS
location: 415 H Akasofu Building
email: hiwata attsymbol for nospam 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.