河南省主要气象灾害特征分析

Analysis on the Characteristics of Major Meteorological Disasters in Henan Province

利用2009~2017年河南省历史气象灾害灾情资料,分析了河南省主要气象灾害的时空分布特征。结果表明:暴雨洪涝、干旱是河南最主要的气象灾害类别,其特征是危害大、灾情重、出现频率高、时空分布不均。气象灾害损失具有较大的年际变化。夏半年是各类气象灾害的多发季节,其中5~9月各项损失之和占全年损失的90%以上。豫北、豫西和豫西南气象灾害损失较重,豫东平原气象灾害损失较轻。

Based on the data of historical meteorological disasters in Henan Province from 2009 to 2017,the temporal and spatial distribution characteristics of main meteorological disasters in Henan Province are analyzed.The results show that rainstorms,floods and droughts are the main types of meteorological disasters in Henan Province.They are characterized by great hazards,severe disasters,high frequency of occurrence and uneven spatial and temporal distribution.The loss of meteorological disasters has great interannual variation.Summer half year is the season of frequent occurrence of various meteorological disasters,of which the sum of losses in May-September accounts for more than 90%of the total losses in the whole year.The losses of meteorological disasters in the north,West and southwest of Henan are relatively heavy,while those in the eastern plain of Henan are relatively light.