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1·The mechanism and dynamical reasons of seawater intrusion are studied.

探讨了海水入侵机理和动力过程。

2·There were some fluoride pollution areas and some seawater intrusion areas.

部分水源地存在氟化物超标区和海水入侵区。

3·The occurrence of salinization are mainly due to unsuited irrigation, plant community damage and seawater intrusion.

究其原因主要是不适当灌溉，植被破坏和海水内侵。

4·Is only in recent geological evolution, this piece of land gradual subsidence, seawater intrusion was formed a continental shelf.

只是在最近的地质演变中，这片土地逐渐下沉，海水入侵才形成了大陆架。

5·For studying the seawater intrusion problem occurring in the littoral, a new kind of hydraulic curtain is put forward in the paper.

为研究沿海地区海岸线海水入侵问题，探讨了注水井水力帷幕阻止海水入侵的方法。

6·A visualized numerical modeling system is developed on the basis of the 3-d seawater intrusion numerical model (SUTRA) integrated in GIS platform.

将变密度三维海水入侵模型(SUTRA模型)与地理信息系统(GIS)进行有机集成开发出可视化海水入侵数值模拟系统。

7·The characteristics of salt and water movements were studied in Laizhou Gulf region, where seawater intrusion became a severe problem in recent years.

在用海水入侵区地下水大面积灌溉冬小麦试验的同时，进行了田间小区灌溉后的土壤水盐迁移特征的研究。

8·Finally, the identification index, three-dimensional survey methods, prevention and controlling measures, and further study trend for seawater intrusion are also put forward.

介绍了海水入侵的判别指标和三维动态监测方法，给出了海水入侵的防治措施，并提出了海水入侵有待加强研究的几个方面。

9·In the late 1990s, the exploitation of groundwater began to under control, seawater intrusion slow down, but the area of seawater intrusion is still increasing in the study area.

上世纪九十年代中后期，虽然对地下水开采有所控制，海水入侵有所减缓，但研究区海水入侵的面积还在增加。

10·Under certain conditions, the effect of hydrodynamic dispersion is relatively weak, so that an abrupt interface approximation can be used in studying seawater intrusion in coastal aquifers.

在一定条件下，水动力弥散作用较弱时，可应用突变界面模型来研究滨海含水层的海水入侵。