By studying the relationship between hydrological evaluation indexes of seawater intrusion and geophysical parameters,established the geophysical evaluation indexes of seawater intrusion. Through the measured geophysical data,seawater intrusion status was studied in the west area of Shenzhen. The results show that,by using geophysical methods,especially the electrical method,the division to the seawater intrusion area can be quickly and effectively carried on. The geophysical methods can be used as the main means of long-term monitoring of seawater intrusion.%通过研究海水入侵水文判别指标和地球物理参数之间的关系，建立起海水入侵地球物理判别指标，并依据实测的地球物理资料，对深圳西部地区的海水入侵现状进行了研究，结果表明，采用地球物理方法，尤其是电法，可以快速有效地对海水入侵区进行划分，且可作为长期监测海水入侵的主要手段。
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