饱水带中第一个具有自由表面的含水层。它的上面没有隔水顶板,或只有局部的隔水顶板,其中蕴藏有潜水,与包气带直接连通,和大气圈、地表水圈联系密切,积极参与水循环。
滨海潜水含水层是滨海地区开采淡水的重要目的层。
Unconfind aquifers are important for supplying of fresh water in coastal area.
但由滨海潜水含水层的性质所决定，它极易因抽水过量而遭受海水入侵。
Determined by its character, it is very easy to cause sea water intrusion to the layer by over extraction of fresh water.
揭示了沟谷潜水含水层内水资源存贮规律，为合理开发利用沟谷潜水水资源提供了可靠依据。
Storage low of water resources in aquifer of clench and sloping land for provide scientific basis of developing phreatic water resources in clench and sloping land.
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