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1、概述地下水资源,是指在一个完整的水文地质单元内,地下水通过各种途径,直接或间接地接受大气降水或地表水体的入渗补给而形成其与质量具有一定利用价值并按水文周期呈现规律变化的多年平均补给量。山丘区和岩溶山丘区的入渗补给量直接估算有困难,根据补排平衡的原则,可以通过水文测验成果分析得到的各种排泄量求出地下水资源量。在一般山丘区可从河川径流过程中分析出
1, an overview of groundwater resources, refers to a complete hydrogeological unit, groundwater through various channels, directly or indirectly, to accept atmospheric precipitation or surface water infiltration and recharge to form its quality and has a certain value and according to the hydrological cycle Showing the law of changes in years of average supply. It is difficult to directly estimate infiltration recharge in the hilly and karst areas. According to the principle of replenishment and balance, groundwater resources can be obtained from various kinds of discharges obtained through hydrological test results. In the general hilly area can be analyzed from the river runoff process