河北省栾城县地下水数值模拟

为了研究现阶段条件下河北省栾城县的地下水资源状况，在数值模拟的基础上，对地下水资源量进行了评价，同时，预测了农业节水20%、30%，以及工业使用南水北调客水条件下，栾城县地下水位的动态变化趋势。数值模拟表明，地下水超采是造成地下水位持续下降的主要原因，若农业灌溉节水20%～30%，则对防止地下水位的持续下降具有明显的效果。

Numerical Simulation of Ground Water in Luancheng County of Hebei Province

In this paper the numerical simulation of ground water in the area is conducted using the observed records of ground water regime for many years. On the base of the numerical simulation, the quantity of ground water resource is evaluated. And at the same time, the tendency of ground water table regime is predicted in the county under the conditions of the saving water of agricultural irrigation by 20%, 30% and using water of South-North Water Diversion in industry. The result of the numerical simulation shows that the excess exploitation of ground water is primary cause of leading to continual lowering of groundwater level, if saving water of agricultural irrigation were by 20%, 30%, it would have an evident effect on preventing from the continual lowering of groundwater level.