Analysis of climatic characteristics of sandstorm in Guaizi Lake and suggestions for disaster prevention and reduction
This article uses the observational data of sandstorms at the Guaizihu Meteorological Station from 1991 to 2021,and uses the linear trend analysis method to analyze the changes in sandstorm weather in the area.The results show that in the past 31 years,the number of annual sandstorm days in Guaizi Lake has shown a significant downward trend,with a climate change trend rate of-3.524d/10a,which is extremely significant;the number of sandstorm days in the year of Guaizi Lake mainly occurs from March to July each year,with an average of over 1.5 days per month,with April to June being the most concentrated.This frequent distribution pattern in spring and summer is closely related to the climate characteristics,geographical location,and ground conditions of Guaizi Lake.
sandstorm weatherstatistical analysisdisaster prevention and reductionGuaizi Lake