The emphasis of the study was placed on hydrological and hydraulic characteristics, variations of spatial structure, matter structure and energy structure, and ecological response of each transitional region.

• 根据水力特征的变化，对河道型水库工程影响区域水力过渡区进行划分，重点研究各个水力过渡区内的水文水力特征、空间结构、物质结构和能量结构的变化及其生态响应。