In accordance with the features of the decision-making for urban flood control and disaster mitigation,the expert system and artificial neural network are applied to the decision-making supporting system for flood control and disaster mitigation,on the basis of GIS platform,and then the integrated structure and main function of the system are designed.

The function of Zhalong marshland to flood control and disaster relief;

Spatial information technology application in modernization of flood control and hazard mitigation;

Spatial information technology is the basic of flood control and hazard mitigation s modernization;

The optimum multiobjective risk decision model for flood control and hazard mitigation is established.

Flood prediction scheme and flood control countermeasure for Nanliujiang river;

The paper elucidates the development of the basic recognition and strategy on flood control in China.

Modern sci-tech system and flood control and disaster mitigation system of the Yangtze River Basin

The accomplishments of flood control and disaster mitigation in China are briefly introduced.

According to the c haracteristics of the flood control and disaster mitigation in the Yangtze river basin,it is proposed to establish a design scheme of the subject and data distr ibution of the space databank of the flood control and disaster mitigation in Ya ngtze river basin,i.