1981—2010年辉县市雷暴日数变化特征及其对农业的影响分析

Analysis on Change Characteristics of Thunderstorm Days in Huixian City from 1981 to 2010 and Its Effect on Agriculture

利用1981—2010年辉县市地面气象观测资料中的雷暴观测数据,采用数理统计分析、气候倾向率法、图表等方法进行整理研究。结果表明,1981—2010年辉县市雷暴日数整体呈增多的趋势,分析雷暴日数月际变化特征,得出夏季和春季雷暴日数分别以1.232、0.832 d/10年的速率增加,秋季雷暴日数以0.932 d/10年的速率减少。总结了近年来雷暴天气对农业的影响,并提出加强农业气象防灾减灾组织体系建设、提升农业气象服务水平、提高农业气象灾害监测预警能力的对策。

Based on the thunderstorm observation data of surface meteorological observation data in Huixian City from 1981 to 2010,mathematical statistics analysis,climate tendency rate method,graphical method and other methods were used to sort out and study. The results showed that the number of thunderstorm days in Huixian City increased during 1981-2010. The daily and monthly change characteristics of thunderstorm days were analyzed,and it was concluded that the number of thunderstorm days increased in summer and spring with the rate of 1.232,0.832 days per10 years,respectively,the number of thunderstorm days in autumn decreased with the rate of 0.932 days per 10 years.The effect of thunderstorm on agriculture in recent years was summarized,and countermeasures were put forward,including strengthening the construction of agrometeorological disaster prevention and mitigation system,improving the level of agrometeorological service,and improving the monitoring and early warning ability of agrometeorological disasters.