catchment area

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。

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

Application of the GIS-based two-step floating catchment area method in measurement of spatial accessibility to hospitals in Beijing

基于GIS的两步移动搜寻法在北京市就医空间可达性评价中的应用

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。

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