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由降雨造成的径流(地表径流和地下径流)是水分循环和水量平衡的基本要素,是气候、植被、地理因素相互作用的结果。因地表径流的快速流失,缓慢有序的地下径流成了控制土壤水分变化的主导因子。区分地表径流和地下径流的关键是确定下渗率Fc,进而研究土壤水的补给及流出规律。现利
Runoff (surface runoff and subsurface runoff) caused by rainfall is an essential element of the water cycle and water balance and is the result of the interaction of climate, vegetation and geography. Due to the rapid loss of surface runoff, slow and orderly underground runoff has become the dominant factor controlling soil moisture change. The key to distinguish between surface runoff and surface runoff is to determine the infiltration rate Fc, and then to study the recharge and outflow of soil water. Now Lee