在当今世界,人口、水、能源与环境已成为各国社会经济发展所关心的中心问题,尤其在水资源短缺的地区,水不足已严重制约当地社会经济的发展。各有关国家和地区都在探索解决水资源短缺所带来的各种问题,以求社会经济的持续发展。华北地区是我国人口密集,土地、矿产资源丰富,经济发达的地区,是我国政治、文化的中心地带,也 In today’s world, population, water, energy and the environment have become the central issues of concern for the socio-economic development of all countries. Water shortage has seriously hindered the development of local society and economy, especially in areas where water resources are scarce. All countries and regions are exploring ways to solve various problems caused by the shortage of water resources so as to ensure the sustainable development of society and economy. North China is a densely populated area in China with abundant land and mineral resources and a developed economy. It is also the political and cultural center of our country.