影响河道演变的因素主要有河道来水、河床组成、断面附近河道变化等。由于锦卉铁路跨越锦州小凌河缸窖口，通过小凌河缸窖口水文站实测断面资料，对河道的深泓高程、深泓位置、断面面积、断面合绘、洪水前后断面变化等方面进行分析，从数据变化和趋势变化上分析河道的演变情况。%Influence factors of river channel evolution mainly are river water,river bed,section changes near the river etc.Since Jinhui Railway crosses Gangyaokou of Xiaoling River,JinZhou,the channel evolution is analyzed fro m the data change and trend,based on the real survey cross section data of Xiaoling kou hydrological station,and analysis of the thalweg elevation,the river thalweg position,section area,section changes before and after the flood.
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