Abstract:

In order to improve the drought disaster risk management and decision-making level, this paper using the theory and method of natural disaster risk evaluation, and the meteorological observation data in Chifeng from 1981 to 2010, comprehensive data of the natural, social economy, disaster prevention and mitigation and 1:50000 geographic information data in 12 county (district, Banner), the drought disaster risk index was calculated through and the risk division of drought disaster map was got based on GIS technology. Result showed that, the drought risk index of Ongniud Banner and Linxi County was the highest, the drought risk index of Hexigten Banner, Harqin Banner and Ningcheng County was the lowest, according to comprehensive analysis the different stages of the drought risk index.