秦皇岛市海水入侵现状及机理浅析

The Analysis on the actuality and theories of Seawater Infall in Qinhuangdao City

上世纪80年代初,秦皇岛市沿海局部区域发生海水入侵,其中以汤河、洋一戴河下游平原区较为严重,现状调查海侵面积71.75Km2。海水入侵使多眼饮用、农用水井水质变成,也使沿海生态环境受到影响。本文对海水入侵现状,成因机理进行分析,为防治海水入侵灾害发生提供依据。

At the beginning of 1980s, the infall of seawater happened in some psrts along the seacoast in Qin-huangdao City, thereinto TangHe River and the plain of YangHe and DaiHe River backward position is more serious, according to the investigation, the area of infall is 71.75km2. The infall of seawater make a lot of wells salty and infuence the environment of the seacoast area. The paper analyzed the actuality and forming mechanism of the infall of seawater in order to provide gist for preventing the kind of disaster.