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一、概况 东淠河发源于皖西大别山北麓,上游建有么子潭、佛子岭两座水库,控制着全部上游来水。佛子岭以下至横排头约66公里,两岸山丘连绵,系为东淠河中游区。自黑石渡以下,河道内沙厚平均15米左右,另外区间各支流均流经半风化的山丘,因此具有很大产沙能力,两者主要是底沙推移,中值粒径约0.4～0.6毫米,所以冲淤变化比较强烈,不仅洪、中水,枯水都能使滩槽变形。霍山
I. Introduction Dongfanghui originated in the western foot of the Dabie Mountains in western Anhui. There are two reservoirs in the upper reaches of the Dabie Mountains and the Foziling, controlling all the incoming water. Buddha Zi Ling to the first row about 66 km down the banks of the rolling hills, the Department of Dongzheng River in the middle reaches. Since the Blackstone ferry, the average depth of the river is about 15 meters. In addition, all the tributaries flow through the semi-weathered hills, so it has great capacity of sand production. Both of them are mainly the sediment transport with median grain size of about 0.4 ~ 0.6 mm, so erosion and deposition changes more strongly, not only flood, water, dry water can make beach trough deformation. Huoshan