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一、渦河流域特性渦河位于淮北坡水地区,是淮河較大的支流,渦河毫县以上流域面积10,490平方公里,汇集河南境內渦河、惠济河、小洪河等干支流来水,毫县以下至蒙城区間,流域面积4,970平方公里,汇集赵王河、漳河、武家河等主要支流,并有治淮所做工程:引芡入渦、引淝入渦,均以蒙城为出口控制站流入淮河。渦河毫县以上系黄泛区,降雨損失量大,洪水來量也較小。但1957年也曾发生特大洪水,构成渦河主
First, the characteristics of the Vortex River Valley is located in the Huaihe River slope area, is a larger tributary of the Huaihe River, whirlpool above the county area of 10,490 square kilometers, bringing together the river in Henan Province, Hui Ji, Xiao Honghe and other tributaries to the water , Below the county to Mengcheng area, the basin area of 4,970 square kilometers, bringing together the Zhao River, Zhanghe, Wujiahe and other major tributaries, and Huai Huai made by the project: lead into the eddy, lead into the eddy, are Mengcheng Exit control station into the Huaihe River. Whirlpool above the millipedes Department of the Yellow River, heavy rainfall loss, the amount of floods to small. However, in 1957 there had been a catastrophic flood that constituted the main river vortex