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Impact of Urbanization on Meteorological Factors Based on Comparison of Observation Data from Weichang National Basic Station

MA Fenglian,LIU Yuanyuan,ZHOU Shiru,ZHU Huanjuan,DONG Xueyou(Chengde Meteorological Bureau of Hebei Province,Chengde 067000,China)  
By comparing observation data of Weichang national meteorologjcal basic station from July 2008 to June 2009,the differences of meteorological factors such as air temperature,wind speed,wind direction and vapor pressure between the new and the old station were analyzed.The results show that the air temperature at the new station is lower than that at the old station,and the wind speed is obviously bigger,the dominant wind direction changes and the vapor pressure is lower at the new station.All the differences come from urbanization impact.
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