【摘要】 研究区域地下水动态特征,探索地下水的运动规律,对指导区域地下水资源合理开发利用、生态环境保护具有重要的意义,本文分析了峄城盆地的地下水动态特征,为合理开发利用地下水资源提供重要依据。峄城盆地地处鲁南,地层主要由第四系的粘性土,寒武系、奥陶系的石灰岩组成,石灰岩的富水性较好,为盆地的主要含水层。通过分析峄城盆地地下水观测资料可知,在盆地周边岩石裸露地段,地下水位升降与降水同步,地下水位变化幅度大;盆地腹部由于被第四系覆盖,地下水位升降具有滞后降水时间现象。根据地下水等水位线图分析,1981年峄城盆地地下水自然流场向土楼河村方向汇集,1995年十里泉发电厂林桥开采地段建成开采后,形成地下水降落漏斗,使盆地腹部地下水向林桥附近汇集,2009年林桥开采地段停采后,地下水位逐渐恢复,地下水又向土楼河村方向汇集,因此峄城盆地地下水运动受到降水和人工开采影响较大。更多还原

【Abstract】 Studies on the dynamic characteristic of regional groundwater and exploration of groundwater rule of motion have vital significance to guide rational development and utilization of groundwater resources,and ecological environmental protection.This article has analyzed the groundwater dynamic characteristic of Yicheng Basin,provided important basis for rational development and utilization of groundwater resources.Yicheng Basin is located in the south of Shandong.It’s stratum is mainly composed by quaternary clay,cambrian and ordovician limestone.Limestone-rich water is better for the basin’s major aquifers.In the bare rock section of the basin surrounding,by analyzing the observed data of underground water in Yicheng Basin,it’s known that the promotion and demotion of groundwater level are synchronized with the precipitation,the change extent of groundwater level is great.Since basin abdomen is covered by Quaternary,groundwater table has a lag time to precipitation.According to analysis of the groundwater table contour map,Yicheng basin groundwater flow naturally to the direction of local building river village and assembles to there in 1981,after mining Forest Bridge section in Ten Li Spring Power Plant in 1995,the formation of groundwater depression cone makes basin abdomen groundwater assembles to Linqiao vicinity.After Linqiao mining stopped in 2009,groundwater level recovered gradually,groundwater assembled to the direction of local building river village again.Therefore Yicheng basin groundwater movement is greatly influenced by the precipitation and manual mining.更多还原