Based on the annual Disaster data of Guizhou Province in 2022,in this paper,it used the Natural Breaks spatial data classification and grading method and the Weighted Standardized Disaster Index(WSDI).Based on the weighted standardized disaster situation index and four dimensional index,the disaster situation in Guizhou Province was classified and graded,and the distribution and change trend of natural disasters in Guizhou province were analyzed.From the perspective of spatial distribution,the distribution of natural disasters in Guizhou Province in 2022 is generally heavier in the north and lighter in the middle.From the perspective of disaster types,flood and drought have the most serious impact.From the distribution of disaster time,June and July were the most severe.
关键词
自然灾害/加权标准化灾情指数/灾害损失时空特征/灾害分布趋势
Key words
Natural disasters/Weighted standardized disaster index/Spatial and temporal characteristics of disaster loss/Disaster distribution trend
维普
万方数据