石嘴山市星海湖天然补给水量及氟离子量分析研究

Analysis of Natural Recharge water and Fluoride Ion Content in Xinghai Lake of Shizuishan City

星海湖位于石嘴山市,近年来,其氟离子浓度一直较高,因此查明天然状态下进入湖水的水量和氟离子量,对周围水环境和生态都有十分重要的意义。本文通过对补给星海湖北域、中域、南域的雨水、洪水与侧向径流的地下水的氟离子浓度进行检测,采用均衡法计算出天然状态下湖区接受补给的水量、氟离子量以及天然状态下湖区接受补给后平均氟离子浓度。研究结果表明,星海湖北域、中域、南域在接受天然补给后氟离子浓度低于实际监测浓度。

Xinghai Lake is located in Shizuishan City,in recent years,its fluoride ion concentration has been high.Therefore,it is important to find out the amount of water and fluoride ion entering the lake under natural conditions,which is of great significance to the surrounding water environment and ecology.In this paper,the fluoride ion concentration of groundwater in the rainwater,flood and lateral runoff of the northern,middle and southern regions of the Xinghai Lake was detected,the equilibrium method was used to calculate the amount of water and fluoride ion in the lake area under natural conditions,and the average fluoride ion concentration in the lake area under natural conditions.The results show that the concentration of fluoride ion in the northern,middle and southern regions of Xinghai Lake is lower than the actual monitoring concentration after receiving natural recharge.