摘要
Abstract
Based on meteorological observation data and meteorological disasters data of six meteorological stations in Zhangye City during 1980 to 2010,the change characteristics of the main meteorological disasters in Zhangye City in recent 31 years were analyzed ,and the change regulations of the temporal and spatial variation of six counties in Zhangye City were also studied. The results showed as follows:different levels of meteorological disasters occurred frequently and seasonally every year in Zhangye City;wind,dust storms and hail decreased every year,but drought,freezing, rainstorm and flood,high temperature,dry-hot-wind,snow appeared contrarily;the distributions of the danger levels of the main meteorological disasters in Zhangye City were related with the altitude and landform closely ,and showed regional characteristics.关键词
气象灾害/变化规律/甘肃张掖/1980-2010年Key words
meteorological disaster/change regulation/Zhangye Gansu/1980 to 2010分类
农业科技
