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沙颍河是淮河的最大支流,发源于河南省西部伏牛山脉,至安徽省颍上县沫河口注入淮河,全长624公里,流域面积39880平方公里。河南省境内长418公里,流域面积34440平方公里。主要支流有北汝河、澧河、颍河、贾鲁河等。沙颍河流域属大陆性气候,是我省暴雨中心地区,年平均降雨量900毫米,60～70%的雨水集中在6、7、8三个月,加上山丘面积占漯河以上面积的74%,洪水暴涨暴落;而中下游河道宣泄能力小,且岸坡土质松软,极易
The Shaying River, the largest tributary of the Huaihe River, originates from the Funiu Mountains in the western Henan Province and flows into the Huaihe River at Mohekou, Yingshang County, Anhui Province. It has a total length of 624 kilometers and a drainage area of 39,880 square kilometers. 418 kilometers long in Henan Province, the basin area of 34,440 square kilometers. The main tributaries are North Ruhe, Bahe, Yinghe, Jialu and so on. Shayinghe Basin is a continental climate, is the center of heavy rain in our province, the average annual rainfall of 900 mm, 60 ~ 70% of the rain concentrated in 6,7,8 three months, with the area of ?? the hills above the Luohe area of ?? 74 %, Floods skyrocketed; and midstream and downstream river catharsis capacity is small, and the shore slope soil soft, extremely easy