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1·Through the pretreatment in prophase and the catchment basin chosen, the over-segmentation phenomena existing in traditional watershed algorithm can be restrained.

通过前期的预处理以及汇水盆地的选取，有效的抑制传统算法中的过分割现象。

2·They are hydrologically of catchment, basin character, with different ways of recharge and drainage, and occupying a special position in geomorphologic structure of the drainage area.

分析表明，这些海子在水文上具有不同的集水盆性质、不同的补给形式和排泄方式，在流域地貌结构中占有特殊的位置。

3·There are many factors that affect the low flow in a karst basin, such as climate, catchment area, lithology, soil, landform and so on, most of which are uncertain.

喀斯特流域枯水径流特征值的影响因素很多，如气候、流域面积、岩性、土壤、地貌等等，而能够确知的信息不多。

4·The Chaohe River basin, which accounts for 31% of the area of upper Miyun Reservoir catchment, was selected as the study area.

以占密云水库以上集水流域面积31%的潮河流域作为研究区域。

5·The karst groundwater system in Ordos basin consists of 22 sub-systems with various catchment sizes.

鄂尔多斯盆地周边岩溶分布区由22个汇水面积不等的岩溶地下水子系统组成。