长江中下游近期河道演变及其主要影响因素

RECENT CHANNEL EVOLUTION AND MAJOR FACTORS CONTROLLING IT IN THE MIDLE AND LOWER REACHFS OF THE YANGTZE RIVER

长江河道变迁直接影响其两岸的经济开发和人民生活。本文教详细地阐述了长江中下游（武汉－南京段）近期江岸的冲淤变化、江心洲的演变及江岸崩塌变形的特征及规律，分析了影响其演变的主要因素，进而预测了江岸的冲淤趋势。

The evolution of the channels of the Yangtze River influences directly the economic development and the living of the people along the river. This paper discusses in detail the features and patterns of recent alluvial deposition and erosion of the banks,evolution of the islands in the middle of the river and the benks'deformation due to collapse in the Yangtze River(Wuhan- Nanjing section),and also analyzes the main factors which affect the evolution of the river and forecasts reasonably the alluvial deposition and erosion of the banks as well.