中文摘要：

珠江口由于淡水径流量小、河口较宽,潮水比较容易进入,每年都会发生不同程度的咸潮现象,咸潮对珠三角城市群构成整体威胁。本文提出预警预报系统设计思想,旨在从计算机软件层面通过预警系统加以模拟实现咸潮发生、发展的整个侵入过程,从而更加科学合理地制定珠三角咸潮的应对措施,为咸潮入侵应急预案提供决策依据。

英文摘要：

With low freshwater discharge and relatively large channel width, the Pearl River Estuary is an area where saltwater intrusion happens every year. Saltwater is a big threat to the city group in the area. In this paper, the designing consideration of one early warning system is presented, by which the whole progress of saltwater intrusion can be simulated. The control measures for saltwater intrusion in the Pearl River Delta can be regulated more scientifically using the simulated results, providing decision- making bases for the emergency predetermined plan.