0 was introduced,and the slope and aspect were analyzed of the DEM of the Jingjiang flood diversion district.

Historic evolution perspective and flood risk management of the Jingjiang Flood Diversion District in the Yangtze River Basin;

Variations and effects on water and sediment in the Jingjiang River three outlets and Dongting Lake;

Research on BP network prediction model for diversion flow of 3 diversion outlets of Jingjiang river;

Water-sediment relation between Jingjiang River and Dongting Lake and its adjustment;