This model regards a grid as a coherent cell (hydrologic parameters are invariable in a cell), but parameters vary in different cell.In this way, it can figure out those problems hereinbefore.

• 模型视栅格为水文一致性单元，水文参数在栅格内一致，在相邻栅格间变化，以此解决流域上产流时间不同步、降雨空间分布不均匀与下垫面不均一的问题。