摘要
简要介绍了江阴南部地区地质、水文地质条件、地下水开发利用及封井情况,阐述了区内地下水水位动态及地面沉降速率的变化趋势,对地下水禁采所产生的水位及环境效应进行了分析与总结。初步认为:江阴南部地区地下水开采量主要来自含水层的重力释水,地面沉降量主要为含水砂层的压缩变形量,地面沉降与地下水开采间的关系尤为密切,表现为地下水禁采后随着水位的缓慢回升,地面沉降速率迅速减缓。
Based on a brief introduction of geological and hydrogeological condition,the development and utilization of groundwater and seal of pumping well in southern district of Jiangyin City,the change of groundwater level and land subsidence rate were discussed.The water level change and environmental impacts after prohibition of groundwater mining within the district was further analyzed and summarized.The yield of groundwater mainly comes from the gravity water released from the aquifer,and the land subsidence is mainly due to the compression of sand layer.The land subsidence is closely related to the groundwater mining. It proves that after the prohibition of groundwater mining,the land subsidence rate reduces and the groundwater level rises gradually.
出处
《水资源保护》
CAS
北大核心
2007年第5期41-43,共3页
Water Resources Protection
基金
国土资源部
江苏省人民政府合作项目(200312300009)
关键词
地下水
地面沉降
禁采
环境效应
江阴市
groundwater
land subsidence
prohibition of groundwater mining
environmental effect
Jiangyin City
