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《Radialization Protection》 2001-04
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VECTOR INTERPOLATION OF WIND FIELDS OVER COMPLEX TERRAIN

Yu Qi Liu Yuanzhong(Institute of Nuclear Energy Technology, Tsinghua University, Beijing, 100084)  
A vector interpolation method for complex terrai n is discussed in this paper. A new weighted function is suggested here which inc ludes a factor indicating the complexity of the hilly terrain. Comparison of th e wind field interpolated by this method to that interpolated by the 1/r 2 method which only concerns the distance variation is made. It shows that, over a hilly terrain, the suggested method is more effective to exclude the observatio n points disturbing computing estimating results. Since the suggested method mak es a significant improvement in wind speed and direction, it is more suitable fo r wind field estimation over complex terrain than other methods which only conce rns the effect of distance. (
【CateGory Index】: P412.16
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