GMS在白泉湿地公园地下水数值模拟中的应用

Application of GMS in Groundwater Numerical Simulation in Baiquan Wetland Park

为探究白泉湿地公园建设过程中白泉湖开挖对白泉的影响,在系统分析白泉泉域水文地质条件的基础上,采用地下水数值模拟专业软件GMS建立2012—2014年白泉泉域地下水流数值模型。在此基础上,利用10年平均和10年典型2种降雨情景对公园建成前、后白泉水位和流量进行预测。通过对比分析,结果表明公园建成后未来10年白泉可以保持持续喷涌,不会有断流情况的发生。在保证白泉湖景观用水的前提下,每天至少有100 m^3的泉水通过河道排泄到小清河。白泉湿地公园建成后,随着附近地下水的进一步减采,白泉的流量将逐渐增大,白泉湖的景观水位更加有保障。

In order to know the influence of excavation on Baiquan Spring during the construction of Baiquan Wetland Park,based on the analysis of hydrological and geologic conditions in Baiquan Spring area,groundwater numerical simulation software GMS was used to establish the numerical model of groundwater flow in Baiquan spring region from 2012 to 2014. On these basis,the water level and flow of Baiquan Spring were forecasted by using 10 years average and 10 years typical rainfall before and after the construction of Baiquan Wetland Park. It is showed that after the completion of the park in the next 10 years,Baiquan Spring can keep spewing without drying up. On the premise of ensuring water utilization of Baiquan Lake landscape,at least 100m^3 spring water will discharge to Xiaoqinghe River every day through river tunnel. After completing the construction of Baiquan Wetland Park,with further reduction of groundwater exploitation,the flow of Baiquan Spring will gradually increase,and the water level of Baiquan Lake landscape will be more secure.