The redistribution of soil water in a Huangmian soil column is simulated with two mathemetical models, one model negecting hysteresi s, other taking hysteresis into account.
模拟结果表明 ,蒸发时间较长时考虑滞后作用的模拟结果更为准
The simulated data are conformable well with the measured data while soil moisture hysteresis effect is considered.
若忽略滞后作用时 ,模拟结果误差较大 ;而考虑土壤水分再分布的滞后作用后 ,模拟结果与实测结果非常吻
Effective rainfall and ineffective rainfall, lag effect of rainfall, rat nfall intensity and the role of rainfall evenness to recharge are all discussed herein.
本文讨论了有效降雨和无效降雨、降雨的滞后作用、降雨强度及降雨的均匀性对补给的作用,进而给出以月降雨量为单位的补给函数和以日降雨量为单位的补给参数,对水资源评价等涉及到大气降雨补给的计算有重要意义。
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