The result show that threshold value of the upstream drainage area determine the discretized sub-basins and the HRU numbers, and the threshold value of a particular basin will be decided through comparison and analysis.

• 研究表明:河道面积阈值的大小决定了离散子流域数目,也决定着水文响应单元的数量,具体流域的阈值需要进行比较分析来确定。