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近年来，莱州湾南岸潍坊地区的咸－卤水入侵，引起地下水资源量减少、土地资源退化和植物生态环境恶化。咸－卤水平均每年入侵２９．７ｋｍ２，卤水、咸水和微咸水区的入侵速度各不相同。咸－卤水入侵主要是由过量开采地下水引起的，其次是受８０年代后期降水量偏小的影响。地下水漏斗发展控制咸－卤水入侵过程，咸淡水界面稳定在淡水开采区的地下水漏斗北缘，咸－卤水入侵淡水时，地下水化学特点虽然主要决定于淡水和卤水特征，但是阳离子交换也起重要作用。
In recent years, the salty-brine intrusion in the Weifang area on the southern bank of Laizhou Bay has caused the reduction of groundwater resources, the degradation of land resources and the deterioration of plant eco-environment. Salty-brine annual average intrusion 29.7km2, brine, salt water and brackish water intrusion rates vary. Salty-brine intrusion is mainly caused by over-exploitation of groundwater, followed by a small amount of precipitation in the late 1980s. Groundwater funnel develops to control salty-brine intrusion process, with stable freshwater and brackish water interface At the northern margin of the groundwater funnel in the freshwater mining area, the chemical nature of groundwater, although mainly determined by the characteristics of freshwater and brine, plays an important role in the intrusion of salty-brine into freshwater .