气象水文海洋仪器2011，Vol.28Issue(3)：117-121,5.
雷暴过程中的大气电场特征与地闪活动分析
Atmospheric electric field characteristics and CG lighting activities in the thunderstorm
摘要
Abstract
Based on the monitoring data of lightning location system and atmospheric electric field device,a thunderstorm weather in Yunnan were analyzed on April 30,2007. The results show that the strong convective activity from the afternoon causes thunderstorm, which mainly distributes in center of Yunnan. Proportion of negative CG lightning is high. Average current of positive and negative CG lightning is moderate weakness,and positive CG lightning is always behind the negative CG lightning. Atmospheric electric field not only can reflect the produce, accumulation and extinction process of charged cloud, but also reflect the frequency and nature of CG lightning. The evolution of CG lightning and the electric field can be divided into six phases. Each phase shows different characteristics and the change of early electric field is important for lightning warning.关键词
地闪/大气电场/特征/预警Key words
cloud-to-ground lightning/atmospheric electric field/characteristic/warning分类
天文与地球科学引用本文复制引用
马芳,张腾飞,王欣,张涛,朱涯..雷暴过程中的大气电场特征与地闪活动分析[J].气象水文海洋仪器,2011,28(3):117-121,5.基金项目
云南省科技攻关项目（2009CA014）资助. （）
