利用气象灾害度划分广西气象灾害年型

Classification of the Meterological Disaster Year in Guangxi Using Meteorological Disaster Degree

用气象灾害度分析广西的气象灾害，划分气象灾害年型，得出广西各地的历年平均气象灾害度为：０．１８９～０．２７７；广西的气象灾害年型以少、中灾年型为主；７０年代广西各地的气象灾害度值均小于６０年代和８０年代，７０年代广西处于相对少灾时期。

Meteorological disaster degree(MDD) is used for analysizing the meteorological disaster occured in Guangxi. Meteorological disaster years are divided into 5 types. The average MDD in Guangxi over the years are ranged from 0 189 to 0 277. The meteorological disaster years in Guangxi are mostly small or middle disaster year. The MDD of Guangxi in 1970s was smaller than that both in 1960s and 1980s. Guangxi has relatively less meteorological disaster in 1970s.