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一、概况大沙河是黄河在1851年从安徽砀山县蟠龙集决口形成的,是区域性泄洪河道,承受着苏鲁、豫、皖四省1658平方公里的来水。该河在沛县鹿楼乡流入,奔东北向经鹿楼,鸳楼、八堡、安国、朱王庄和龙固五个乡镇,注入昭阳湖(上级湖)。河道全长60.5公里,在沛县境内长33公里,是该河的下游,河床宽浅弯曲,两堤矮小残缺。沿河两岸土质均为黄泛冲积的粉质沙土。地势高亢,真高在40米左右。该河在我县境内的流域面积近200平方公里,过去旱涝洪灾十分频
I. Overview Dashahe is the Yellow River in 1851 from Dangshan County, Anhui Province, the formation of Beaulieu set is a regional flood channel, with Sulu, Henan and Anhui provinces 1658 square kilometers of incoming water. The river flows into Peilu Lu Lou Township and runs northeastward to Zhaoyang Lake (Upper Lake) to the five towns of Jinglu, Yuanyu, Ba Fort, Anguo, Zhuwangzhuang and Longgu. The river is 60.5 kilometers in length and 33 kilometers long in Peixian County. It is the downstream of the river. The riverbed is shallow and curved, and the dikes are short and dilapidated. Both sides of the river are yellow groundwater alluvial silty sand. High-pitched terrain, really high at about 40 meters. The river basin in the county area of nearly 200 square kilometers, the past droughts and floods were very frequent