起止时间 :1998年 2月 - 2 0 0 0年 12月湛江市是我国首批对外开放城市 ,又是大西南的主要出海门户和我国南海主要的海军基地。该市自50年代开采地下水以来 ,地下水开采量逐年增加 ,中、深层承压地下水逐年下降 ,降压漏斗范围不断加深和扩大 ,特别是近年来随着特区城市建设及经 Beginning and ending time: February 1998-December 2000 Zhanjiang City is one of the first batch of cities open to the outside world in our country, and is also the major port of entry to the Southwest China and the major naval base in South China Sea. Since the exploitation of groundwater in the 50’s in the city, the amount of groundwater exploitation has been increasing year by year. The groundwater under pressure in the middle and lower levels has been declining year by year. The scope of buck buckets has been deepened and expanded. Especially in recent years,