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京津冀,同处燕山之南、太行之东、海河之系,山同脉,水同源,文同根。三地山水相连,唇齿相依,本为一体。地下水在区域内供与排的逻辑关系,决定了三地的水量和水质。北京地区多年平均降水量585毫米,多年平均水资源总量37.4亿立方米,人均水资源量不足200立方米,属严重缺水地区。尤其是1999-2011年期间,北京遭遇13年持续干旱,年均降水量仅为480毫米,年均形成水资源量21亿立方米,仅为多年平均的56%,人
Beijing-Tianjin-Hebei, with the South Yanshan, Taihang East, the Department of the Haihe River, the same mountain, water homologous, with the same root. Three landscapes connected, lips and teeth dependent, the one. The logical relationship between groundwater supply and drainage in the region determines the quantity and quality of water in the three places. The average annual precipitation in Beijing is 585 millimeters, with a total annual average of 3.74 billion cubic meters of water and less than 200 cubic meters of water per capita, which is a serious water shortage area. In particular, during the period 1999-2011, Beijing suffered a continuous drought of 13 years, with an average annual rainfall of only 480 millimeters and an annual average of 2.1 billion cubic meters of water resources, accounting for only 56% of the average for many years.