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KMID : 1024519960050060727
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Journal of the Environmental Sciences
1996 Volume.5 No. 6 p.727 ~ p.738
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Estimation of the Heat Budget Parameter in the Atmospheric Boundary Layer considering the Characteristics of Soil Surface
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Lee Hwa-Woon
Kim Yoo-Keun
Park Jong-Kil
Lee Soon-Hwan
Won Kyung-Mi
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Abstract
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An one dimensional atmosphere-canopy-soil interaction model is developed to estimate of the heat budget parameter in the atmospheric boundary layer. The canopy model is composed of the three balance equations of energy, temperature, moisture at ground surface and canopy layer with three independent variables of Tf(foliage temperature), Tg(ground temperature), and qg(ground specific humidity). The model was verilied by comparative study with OSUID(Oregon State University One Dimensional Model) proved in HAPEX-MOBILHY experiment. Also we applied this model in two dimensional land-sea breeze circulation. According to the results of this study, surface characteristics considering canopy acted importantly upon the simulation of meso-scale circulation. The factors which used in the numerical experiment are as follows ; the change for a sort of soil(sand and peat), the change for shielding factor, and the change for a kind of vegetation.
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KEYWORD
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heat budget parameter, atmosphere-canopy-soil interaction model, canopy model, land-sea breeze circulation
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