干旱区生态环境知识资源中心

Drought occurs frequently in recent years with a lot of economic and social losses. The build of drought risk index frame, which is one of the effective ways assisting drought risk management of agriculture, helps to quantify and standardize drought risk evaluations. Based on a series of data related with drought on northwest Liaoning province, drought characteristic is analyzed. Depending on the form mechanism of drought risk, hazard, exposure, vulnerability, ability of preventing and decreasing drought disaster are considered to select typical indicators which describe the influences to drought well. Index frame of agricultural drought risk is then set up to supply scientific solutions for decreasing, rescuing and preventing drought disasters.