摘要
海水入侵是沿海地带不可忽视的自然灾害之一,我国沿海大致以长江口为界,长江口以南沿海主要以海水入侵河口造成的危害为主,长江口以北沿海则以海水入侵地下含水层危害较大.本文综合分析了这两类海水入侵灾害的现状、成灾原因、时空变化规律以及今后的变化趋势,并提出减灾对策与建议.
Seawater intrusion is one of natural hazards not to be ignored in coast zone.In Chi-na,the harm caused by seawater intrusion into aquifer much more than the one of seawa-ter intrusion into estuary in the northern area from the Changjiang estuary;but the harmcaused by seawater intrusion into estuary is major one in the southern area from theChangjiang estuary.This paper analyzes comprehensively the current trend and harm,caused reason,distributed law of time and space and future change trend of seawater in-trusion,and puts forward countermeasure and proposal of reducing its harm.
出处
《自然灾害学报》
CSCD
1993年第2期75-82,共8页
Journal of Natural Disasters
关键词
海水
入侵
地下含水层
变化规律
Seawater intrusion
Estuary
Aquifer
Chlorinity
