水位趋势法在西苕溪横塘村站的应用

摘要

指出了西苕溪流域横塘村站水位受上游洪水及下游回水顶托的双重影响，水位流量关系曲线呈不规则绳套曲线，水位预报难度较大。从实际情况出发，采用简单且效果明显的水位趋势法预报横塘村站水位过程，取得了较为满意的效果，可以作为其他预报方法的重要补充和参考。%This paper pointed out that since the water level of Hengtang Village station in Xitiao River was influenced both by upstream flood and downstream backwater ,stage-discharge relation curve showed an irregular loop curve and stage forecast was very difficult .From this point ,we used simple and effective water level trend method to fore‐cast water level of Hengtang Village ,and achieved satisfactory results .Therefore the method could be used as an im‐portant supplement and reference .