首都北京是历史文化名城、全方位开放的国际都市，还是一座严重缺水的城市，随着工农业生产的发展和城近郊区大规模建设与改造，及人民生活水平的提高，需水量不断增加。由于地表水资源匮乏，对地下水资源的开发利用量越来越大，由此引起地下水连年超采、水位持续下降、漏斗面 Capital Beijing is a famous historical and cultural city, an open international city, or a water-scarcer city. With the development of industrial and agricultural production and the large-scale construction and renovation of suburbs in cities and cities, as well as the improvement of living standards of the people, the water demand is constantly increasing. Due to the lack of surface water resources, the development and utilization of groundwater resources are becoming more and more large, resulting in over-exploitation of groundwater year after year and the water level continuously declining, and the funnel surface