石嘴山地区雷电活动分布规律研究

摘要

Using the lightning data of the Shizuishan region during 2007-2010,the lightning activity law of Shizuishan region was studied,including statistics and analysis of time distribution of lightning activity,the space distributes of the intensity and density of lightning.As a result,high lightning density occurs between the Pingluo county and Huinong district,the seasonal characteristic of lightning activity is very obvious,the thunderstorm activity mainly concentrates in July to September,it is the most frequent in July,the mainly lightning activity takes place at 00：00-03：00 and 13：00-21：00,the occurrence of the lightning changes by day obviously,lightning activity mainly occurs in the afternoon and goes to the evening and the midnight.These regulations provide more scientific and reasonable reference for the lightning protection work of the lightning reduction organization and all units%利用2007—2010年石嘴山地区雷电探测资料,研究了石嘴山地区雷电活动的分布规律,对该区雷电活动的时间分布、雷电的强度以及雷电密度的空间分布进行统计和分析.结果表明,石嘴山地区雷电发生密度较高的地区处于平罗县与惠农区之间,雷电活动的季节性特征非常明显,雷暴主要活动时间集中在每年的7—9月,7月活动最为频繁,一天当中主要在00：00—03：00和13：00—21：00活动频繁,雷电的发生有明显的日变化,雷电活动主要发生在午后至傍晚和凌晨时分.这些规律可为当地防雷减灾机构和各个单位防雷工作的开展提供更加科学、合理的参考依据.