| 2. | Let h be the deviation of the true shape of the free surface from the shape it would hold if the water were distributed in a steady state , then 1 sine . snnaxnnnshxthxthxttfsxkbs using darcy s law and ssqnl , the discharge from the aquifer is given by 0001 . xssxsxnnnnsnhqsntfkuhxhhfkuhhxhqfkuhxfsslfkttsk it is easy to get the mean subsurface runoff of this grid bqt . bqtql 626 science in china : series d earth sciences for the aquifer , the continuity equation holds . dsntlqsntdt new subsurface runoff parameterization , a synthetical recharge series is applied to some aquifers with dif - ferent parameters . firstly , the parameter is tested : three aquifers with the same following parameters are used : d 1 . 5 m , k 0 . 0008 m s , l 100 m , f 0 . 34 , p 0 . 5 , three different slopes are considered : 0 . 002 , 0 . 02 , 0 . 05 . fig 在该模型中有三个重要的模型参数的:整个潜水面平均厚度的线性化参数d ,整个潜水面的平均坡度,以及饱和和水力传导度k .首先考察一下该模型对于坡度的敏感性:取d 1 . 5 m , k 0 . 0008 m s , l 100 m , f 0 . 34 , p 0 . 5 .取下面三个不同的坡度0 . 002 , 0 . 02 , 0 . 05 .图2 a给出是实验给定的入渗强度的时间序列,图2 b给出的是分别选取这三个坡度时该地下径流机制所产生的不同的地下径流的情况 |