Study of the Features and the Influential Factors of Land Subsidence in the Eastern Part of Beijing, China
Study of the Features and the Influential Factors of Land Subsidence in the Eastern Part of Beijing, China
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DOI：
10.1061/9780784413456.022
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发表时间：
2014-05
期刊：
影响因子：
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通讯作者：
Luo Wenlin;Xiaoke Shen;Zhou Honglei;Han Xuan;Xiu-li Du
中科院分区：
文献类型：
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作者：
Luo Wenlin;Xiaoke Shen;Zhou Honglei;Han Xuan;Xiu-li Du
八里庄和大角亭地面沉降区位于北京东部，是北京地面沉降最早、最严重的地区。监测数据表明，近几年来，地面沉降的程度越来越严重。基于历史监测资料和高分辨率地面沉降监测系统的最新资料，对该地区地面沉降的演化特征进行了详细分析。结果表明，北部和东部地区的地面沉降比南部和西部地区严重。地下水超采是造成地面沉降的主要原因。地面沉降与地下水位、地下水开采强度和深度密切相关。此外，地面沉降漏斗的位置与可压缩土的厚度分布密切相关。具体地说，地面沉降中心一般分布在压缩层最厚的区域。研究结果为合理利用地下水、有效控制北京地面沉降提供了建议。
The land subsidence areas of Balizhuang and Dajiaoting, located in the eastern part of Beijing, are the earliest and most serious land subsidence areas of Beijing. The monitoring data indicate that the degree of land subsidence has become much more serious in recent years. Based on the historically monitored data and the new data from the high-resolution land subsidence monitoring system, a detailed analysis was performed on the evolutional characteristics of the land subsidence in these areas. The results indicate that the land subsidence is more serious in the north and east areas compared to the south and west areas. The excessive withdrawal of groundwater is the major cause of land subsidence. The land subsidence was found to be closely correlated to the groundwater level, groundwater withdrawal intensity and depth. Moreover, the position of the land subsidence funnels is closely related to the thickness distribution of the compressible soil. Specifically, the land subsidence center is commonly distributed in the area with the thickest compression layer. The results of this study provide some suggestions for reasonably utilizing groundwater and effectively controlling the land subsidence of Beijing.