The Change Characteristics of Groundwater in the Dagu River Estuary Based on the Underground Inter-seepage Dam

摘要

In the Dagu River estuary, overexploitation of groundwater led to seawater intrusion and the deterioration of geological environment the late twentieth Century. Inter-seepage dam project was completed in 1998, it from the west side of the Mawan, east to Dagu River left bank. It prevents the seawater intrusion in the downstream of the Dagu River, and relies on the superior geological conditions in the upstream of the river to build an underground reservoir. Since then, the quantity of groundwater has been increased and the quality of groundwater has been greatly improved.