全面禁采以来锡西澄南地区地面沉降动态特征分析  

Dynamic analysis of land subsidence in the Xibei-Chengnan area since the restriction and prohibition of groundwater pumping

作　　者：陈荣波 束龙仓[1,2] 朱兴贤[3] 武健强[3] 黄币娟[1] 陈宇[1] 姚晶娟[1] 

机构地区：[1]河海大学水文水资源学院,南京210098 [2]河海大学水文水资源与水利工程科学国家重点实验室,南京2100983 [3]江苏省地质调查研究院,南京210018

出　　处：《水文地质工程地质》2011年第5期80-86,共7页Hydrogeology & Engineering Geology

基　　金：苏锡常地区地面沉降监测与风险管理(1212010641202)子项目;教育部长江学者和创新团队发展计划项目(IRT0717)

摘　　要：锡西澄南地区在苏锡常地区地面沉降研究中具有一定代表性,是地面沉降的典型地区之一。本文在已有的长期地下水水位、地面沉降监测资料的基础上,结合区域地质条件就全面禁采以来锡西澄南地区的地面沉降特征的诸多方面作进一步的探索分析。分析结果显示:目前锡西澄南地区出现南北沉降差异;差异特征与相应区域的地下水补给条件密切相关;北部Ⅱ承压层沉降为预防重点。By the end of October 2005,all of the 4831 extraction wells were completely closed,which reduced groundwater exploitation by 2.8 billion cubic meters.Since then,the groundwater level in this area has achieved varying degrees of restoration,and most of the ground settling velocity have slowed down significantly.A small amount of special signs of rebound appeared in some areas,which are response to the Restriction and Prohibition on the Groundwater Pumping.Xibei-Chengnan area,as one of the special representatives of land subsidence in the Su-Xi-Chang area,has shown representative characteristic since land subsidence has occurred.Based on the monitoring data,we made a further exploration on the characteristics of land subsidence since the Restriction and Prohibition on the Groundwater Pumping in this paper.It is of some significance to research on the future of the entire region on reasonable development and protection of groundwater resources.

关 键 词：禁采 地面沉降 锡西澄南地区 苏锡常地区 

分 类 号：P642.26[天文地球—工程地质学]