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引用本文:杨 勇1 郑凡东1 刘立才1 窦艳兵2 贾三满3. 地下水开采引发的地面沉降易发性区划及控制措施[J]. 中国地质, 2013, 40(2): 653-658.
YANG Yong1, ZHENG Fan-dong1, LIU Li-cai1, DOU Yan-bing2, JIA San-man3. Susceptibility zoning and control measures on land subsidence caused by groundwater exploitation[J]. Geology in China, 2013, 40(2): 653-658(in Chinese with English abstract).
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地下水开采引发的地面沉降易发性区划及控制措施
杨 勇1 郑凡东1 刘立才1 窦艳兵2 贾三满31,2,3
1.北京市水利科学研究所,北京 100048;2.北京市水文总站,北京 100039;3.北京市水文地质工程地质大队,北京 100195
摘要:
提要:北京市地下水严重过量开采,造成了地下水位大幅下降,引发了大面积的地面沉降。为避免更大范围的地面沉降,本文通过选取粘土层厚度、地下水水位下降速率、地下水开采量三个影响因素,根据各自影响程度确定影响因子权重,利用GIS叠加方法开展地面沉降易发性分区。结合南水北调水资源配置提出地面沉降防控对策,为地下水开采布局优化及地面沉降防治提供科学依据。
关键词:  地面沉降  易发性分区  南水北调  防控对策
DOI:
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Susceptibility zoning and control measures on land subsidence caused by groundwater exploitation
YANG Yong1, ZHENG Fan-dong1, LIU Li-cai1, DOU Yan-bing2, JIA San-man31,2,3
1. Beijing Hydraulic Research Institute, Beijing, 100048, China;2. Beijing Hydraulic Center, Beijing 100039, China;3. Beijing Institute of Hydrogeology and Engineering Geology, Beijing 100195, China
Abstract:
Abstract:Excessive artificial extraction of groundwater has caused the continuous decline of groundwater levels and, as a result, triggered a large area of land subsidence. To avoid a wider range of land subsidence, the authors used the clay layer thickness, the drawdown rate of groundwater level and groundwater exploitation as three impact factors to carry out studies. In accordance with their respective extent of impact, the impact factor weights were determined, the overlay method in GIS was used to divide land subsidence into susceptibility zoning. In combination with water resource allocation of South-to-North water transfer, this paper has proposed the control measures on land subsidence, thus providing a scientific basis for layout optimization of groundwater exploitation and land subsidence.
Key words:  land subsidence  susceptibility zoning  South-to-North water transfer  control measures