This paper analyzes all main factors to influence flood peak, such as, the area of drainage basin, slope and streams, etc, and respectively calculating approach are introduced.

本文分析了流域面积、流域坡长和流域坡度、流域河长和河道坡度的量算方法及各因子对设计洪峰流量的影响。

youdao

Analyze the hydrologic characteristics of tao river basin, the influence on the hydrology progress imposed by physiographic factors, and variation of the relationship between rainfall and runoff.

分析研讨了洮河流域的流域特征、主要自然地理要素对水文的影响，以及降雨径流要素的变化规律。

youdao

On the base of Analyzing inducting and summarizing, the writer will mainly discuss the influence of the Tai Lake basin water conservancy facility of Qing Dynasty to the society of Chiangnan.

在前面分析、归纳、总结的基础上，着力探讨清代前期太湖流域水利建设、河道的浚治，对清代江南社会产生了哪些影响。

youdao