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沁河发源于太岳山脉南麓的二郎神沟,全长485.5km,流域面积13532km2,是三门峡以下黄河左岸最大的一条支流。沁河下游是典型的游荡型河道,河道高悬于背河地面以上,经常发生斜河、横河河势,素有“小黄河”之称。但近年来沁河下游绝大部分河段的河床不但没有抬高,反呈下切状态,通过对沁河下游河床下切的研究与探析,可为黄河下游河道河床下切问题研究提供借鉴。
Qin River originated in the Taiyue Mountains Erlang Shen ditch, a total length of 485.5km, watershed area of 13532km2, is the largest of the left bank of the Yellow River after Sanmenxia a tributary. The lower reaches of the Qinhe River is a typical wandering type of river. The river is suspended above the surface of the Dhui River. It often occurs in both the oblique river and the Henghe River, and is known as the Yellow River. However, in most of the lower reaches of the Qinhe River in recent years, not only the riverbed has not been raised, but the state of undercutting has been cut off. The research and analysis of the riverbed undercut of the Qinhe River can provide references for the study of riverbed undercutting in the lower Yellow River.