山东省东营市垦利县——黄河入海的地方,本地区的淡水资源来自两部分:一是自然降水;二是黄河水源,黄河水源占本地区淡水用量的98%。改革开放以来,黄河流域国民经济发展迅速,工农业及生活用水不断增加,中上游干支流相继兴建水库大量拦蓄,再加上黄河上游 Kenli County, Dongying City, Shandong Province - where the Yellow River enters the sea, freshwater resources in the region come from two parts: one is natural precipitation; the other is the Yellow River water source, which accounts for 98% of the fresh water consumption in the region. Since the reform and opening up, the rapid development of the national economy in the Yellow River Basin, the increasing use of industry, agriculture and domestic water, the continuous construction of reservoirs in the middle and upper reaches of the dry tributaries, a large number of deposits, plus the upper reaches of the Yellow River