water catchment area

A study on Forestation type of water catchment and conservation forests in the Qujiang River area, Sichuan P. R. China

渠江流域水源林、水保林造林类型研究

With high water head and a catchment area of 53.2km~ 2, the Shangcheng Hydropower plant in Hezhou city of Guangxi shoulders hump modulation and dry regulating.

广西贺州市上程水电站工程，是高水头电站，电站定位为调峰调枯，坝址以上集雨面积53.2km2。

The widely used method for extracting the watershed channel network from digital elevation model ( DEM), i.e. the water catchment area method, is presented.

总结了根据流域的数字高程模型（DEM）自动提取河网水系的集水面积方法。

Discussion on Division of Water Catchment Area by Using the Ratio of Total Area and Path Length Method

面积管长比法划分汇水面积的探讨

In the relatively dependent and most integral unit of catchment area in hilly red soil landscape, we study the yearly dynamics of surface water resources including rainfall, evapotranspiration and water storage.

以红壤丘陵景观中相对独立且整体性强的集水区为基本单元，重点研究了集水区内降水、蒸散、水量蓄存等地表水资源的年变化。

A new method& ratio of total area and path length method was presented for dividing the water catchment area in the design of rainwater system.

提出了雨水系统设计计算中划分汇水面积的新方法&面积管长比法（亦称树分法），即将汇水面积按管长分配的方法。