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位于黄河中上游的青海、甘肃、宁夏、内蒙、陕西、山西等省,在黄河干支流上修建了很多大中小型水库,这些水库在综合利用水利资源,尤其是在发展农田灌溉、保证农田稳产高产中,起了很大作用,促进了国民经济的发展。但黄河流域的河流,汛期来沙很大,很多水库因管理不善或水库工程根本没有排沙建筑物,来沙多沉淤库内,迅速减少有效库容,严
Located in the middle and upper reaches of the Yellow River in Qinghai, Gansu, Ningxia, Inner Mongolia, Shaanxi, Shanxi and other provinces, the Yellow River and the tributaries of the construction of many small reservoirs, reservoirs in the comprehensive utilization of water resources, especially in the development of farmland irrigation to ensure stable farmland High yield has played a significant role in promoting the development of the national economy. However, the rivers in the Yellow River basin are very large in the flood season. Many reservoirs have no sand-draining structures because of poor management or reservoir engineering.