论文部分内容阅读
兰考县地处豫东平原,排涝河道属于淮河流域万福河水系。经过多年治理,已基本形成了网络。我县的河道均属于平原坡水河道的源头,无客水之忧。多年平均只有16天产生径流,平时河道干涸。近几年由于引黄事业的快速发展,特别是新三义寨引黄灌区的建设,大量的引黄退水进入骨干河道,由于河道上没有拦蓄工程,造成水资源白白浪费,不仅增加了引黄灌
Lankao County is located in the eastern part of the plains, flood drainage channel belongs to the Huaihe River Wafuhe River. After years of governance, the network has basically been formed. The rivers in our county belong to the source of the plains slope waterway, without the worry of water. For many years only an average of only 16 days runoff, usually dry river. In recent years due to the rapid development of the Yellow River Diversion Project, especially the construction of the Yellow River Diversion Irrigation District in the new Sanyi Village, a large number of Yellow River diversions have entered the mainstream of the Yellow River. Due to the lack of water-saving projects in the river channels, water resources are wasted and not only increased the Yellow River Diversion