摘要
Based on the statistical analysis method,this paper studies the temporal and spatial correlation between drought and snow disasters and El Nino/La Nina events in various counties of Xilingol League.According to the research results,it is found that the number of disasters in Xilingol League in El Nino/La Nina year accounts for 54%of the total number of disasters in Xilingol League.El Nino has more disasters than La Nina.In El Nino/La Nina years,the frequency of snow disasters in Xilingol League is higher than that of drought disasters.The areas with high frequency of El Nino disasters are East Ujimqin Banner,West Ujimqin Banner and Abaga Banner.The areas with high frequency of disasters in La Nina are Sonid Zuoqi,Erenhot,Xilinhot and Xianghuang Banner.Using statistical analysis method can accurately and effectively study whether there is obvious correlation between drought and snow disasters and El Nino/La Nina events in Xilingol League,and enrich the methods and contents in geography education and research,which is of great significance for monitoring and preventing drought and snow disasters in Xilingol League.
基金
Research on drought sandstorm disaster chain in Xilingol grassland(CXJJS19133)
supported by the postgraduate research and innovation fund of Inner Mongolia Normal University
the postgraduate education innovation program of Inner Mongolia Autonomous Region.
