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本文首先采用相关分析的方法 ,探讨了地下水开采与地面沉降的关系 ,得出北京地面沉降主要是由于长期超采地下水所致的结论 ;而后运用Modflow软件 ,建立了基于分布参数的地下水流模型和地面沉降土水耦合模型 ,以北京 1995年开采水平为基础 ,预测了 2 0 0 5年、 2 0 10年研究区地面沉降分布范围。为今后开展地下水开采控制、建立地下水可持续开采模型提供了基础。
In this paper, firstly, the correlation analysis was used to explore the relationship between groundwater mining and land subsidence. The conclusion is that the land subsidence in Beijing is mainly caused by the long-term over-exploitation of groundwater. After that, using Modflow software, the groundwater flow model based on distribution parameters and Ground subsidence and soil-water coupling model. Based on Beijing 1995 mining level, the range of land subsidence in the study area in 2005 and 2010 is predicted. This will provide groundwork for groundwater exploitation control and establishment of sustainable groundwater mining model in the future.