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[Ｂ−５３−３−２　Modeling of heat budget in urban canopy layer (Final Report)]

[Contact person]

[Total Budget for FY1997-1999]

　7,428,000 Yen
　(FY 1999; 2,486,000 Yen)

［Abstract］

　In order to clarify heat budget in the urban canopy layer and to make
parameterization it, following observations were carried out at towering building zone of the
Shinjuku area. Those are several kinds of meteorological factors, short and long wave
radiation, radiative temperature distribution on wall of building. And a series of aircraft
observation was also carried out simultaneously with this ground based observation in order
to obtain ground surface temperature distribution in the various types of land-use form. The
temperature distribution on ground surface got by aircraft observation was checked with
land-use form information in order to make ground surface initial value of the simulation of
urban meteorology. The local meteorological model for verifying the quantification of
ground surface heat budget in the urban area was improved. Some characteristics of surface
temperature, fluxes of physical quantities at ground surface, and detailed structure of urban
atmosphere are clarified by improved model.

［Key Words］

　heat budget, parameterization, ground surface, land-use, simulation