成都平原浅层地下水水位动态变化

Dynamic Change of Shallow Groundwater Level in Chengdu Plain

文章基于ARCGIS技术,运用水文地质学方法在叠加合成地下水动态类型分区图的基础上,结合监测点所处的位置,分析各个观测孔水位宏观动态变化特征,将成都平原地下水观测点分为中部地下水浅埋区入渗—蒸发—开采型、中部平原开采型、山前侧向补给入渗—径流型、侧向补给—蒸发型4大地下水动态类型,在此基础上分别论述各类型区地下水动态变化特征,提高了对成都平原地下水资源演化规律的认识,为未来布置观测孔的选址提供参考依据。

Based on the ARCGIS technology and based on the superposition of dynamic zoning map of groundwater and the location of monitoring points,this paper analyzes the macro dynamic characteristics of each observation hole water level by using the method of hydrogeology.The groundwater observation points in Chengdu Plain are divided into middle groundwater shallow groundwater infiltrationevaporation-mining type,the central plains mining type,the piedmont lateral recharge infiltration runofftype,lateral recharge-evaporation type of four groundwater dynamic types,on the basis of which are discussed in various types of groundwater dynamic changes of characteristics,improve the understanding of the evolution of groundwater resources in Chengdu Plain,and provide a reference for the future location of observation holes.