Since the accelerating of urbanization in China, in this paper the BEM (building energy model) is improved and used to study the interaction of the anthropogenic heat release from cooling system and the urban meteorological environment. Based on the case of May 29 to 30 in 2014 (extreme high temperature case in the Beijing area in summer), this paper begin to quantitative analyze above interaction. The online WRF/Noah/SLUCM/BEM results showed that, without the anthropogenic heat summer night heat island in Beijing urban areas has a deviation at night, and can hardly simulate summer heat island in the daytime. WRF model with anthropogenic heat can improve the extent and the intensity of urban heat island, which means the result can be more correct. The considering of building anthropogenic heat in WRF model would improve the simulation of temperature and specific humidity at 2 meters, upward sensible heat flux, latent flux and the upward moisture flux at the surface, and the urban boundary layer height. In case2 which adding BEM anthropogenic heat, the sensitive heat flux of downtown area increase by 30~50 W·m-2, while the 2 meters temperature at relevant area rose about 0.4~0.6 ℃, which is almost the same. The latent release in case2 result that the latent heat flux near the surface, the moisture flux, and the specific humidity of downtown area increased nearly 80~140 W·m-2, 0.04~0.09 g·m-2s-1, 0.5~0.9 g·kg-1 respectively. In addition, the planetary boundary layer height rose about 100~150 m, and the time of beginning falling got later about 1 hour. The change of meteorological condition caused by the additional building anthropogenic heat made effect on the building anthropogenic heat too. Compared to case1, the consumption of energy for case2 increased 1.11%~3.33%, the released heat from building can split into two part: sensitive heat flux and latent flux. The former increased 0.67%~1.67%, the later increased 0.625%~1.56%(which can reach above 2.0 W·m-2). This study shows that coupling with the heat release of building to WRF can improve the simulation effect of meteorological elements in the surface layer.
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