| Drought vulnerability of agriculture is a complex system concerning about three aspects of disaster -inducing factors, hazard inducing environment and hazard -affected body, and its vulnerability degree determines the generation and strength of drought disaster. Scientific evaluation on drought vulnerability of agriculture has important realistic significance to the protection and resistance of drought. This article constructed the evaluation index system for drought vulnerability of agriculture at Guizhou and established the improved TOPSIS model based on principal component analysis and Delphi method by applying time series data, analyzed the development trend of agricultural drought vulnerability in Guizhou from 2006 to 2012, to provide reference for promoting the constant and healthy development of Guizhou’agriculture. |
