The wetting front moved nearly parallel to the soil surface, and its length could be described by a power function of time, when the distribution of initial soil water was uniform. 當初始含水量分布均勻時(shí),降雨入滲過(guò)程中濕潤鋒面幾乎平行坡面運移,濕潤鋒深度與時(shí)間的關(guān)系可用冪函數描述。