A Dynamic Model for Simulating Atmospheric, Surface and Soil Water interactions in Hillslope of Loess Area Under Natural Conditions and Its Application

查看全文 作　　者：ZHANG SHUHAN;KANG SHAOZHONG;CAI HUANJIE;and NIE GUANGYONG Institute of Agricultural Soil-Water Engineering, Northwestern Agricultural University, Yangling 712100 (China) Inner Mongolia institute of Water Conservancy, Huhhot 010020 (China)

出　　处：《Pedosphere》索引2001年第11卷第3期,共12页

基　　金：Project (No. 49725102) supported by the National Natural Science Foundation of China. 摘　　要：The mechanism of atmospheric, surface and soil water interactions (water transformation) in hillslope under natural conditions was analyzed, and a dynamic model was developed to simulate infiltration, overland flow and soil water movement during natural rainfall in hillslope, by bringing forward concepts such. as rainfall intensity on slope and a correction coefficient of saturated soil water content for soil surface seal. Some factors, including slope angle, slope orientation and raindrop inclination, which affect the rainfall amount on slope, were taken into account while developing the dynamic model. The effect of surface seal on infiltration and water balance under a boundary condition of the second kind was also considered. Application of the model in a field experiment showed that the model simulated precisely the infiltration, overland flow and soil water movement in hillslope under natural rainfall conditions. 关键词：动态模型山坡渗透性土壤水分水运移

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A Dynamic Model for Simulating Atmospheric, Surface and Soil Water interactions in Hillslope of Loess Area Under Natural Conditions and Its Application

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