您的位置:  首页> 科学研究> 科研成果> 论文>

Characteristic of Compact intracloud discharges on Qinghai-Tibet plateau and Northern part of China

刊物全称

Proceedings of the 15th International Conference on Atmospheric Electricity

论文作者

Wang Yanhui,Guangshu Zhang,Yajun Li,Rong Zhang,Yanxiu Liu

发表年度

2014

刊物类别

会议论文

卷

15

期

43107

通讯作者

Wang, YH

请求全文

wyh2005@lzb.ac.cn

关键词

摘要

In this work, the Compact intracloud discharges (CIDs) were observed and analyzed in high time resolution in inland plateau and Northern plain in China using a time of arrival lightning mapping system working on dual band. A total of 236 CIDs are documented northern part of China. The CIDs were classified as isolated type and lightning associated type. Of between, 32 occurred in isolation and 204 occurred in association with either IC or CG lightning discharges. No apparent difference among all types CIDs has been found on rise time, etc. The CIDs occurred at a height ranging from 7 km to 16 km with a peak power ranging from 12 kW up to 781 kW in the 267–273 MHz passband. In inland plateau of China, 284 CIDs are observed. And the positive CIDs occupied 88%, negative CIDs occupied 12%. The parameters (ex. rise time, etc) of CIDs in Qinghai-Tibet plateau are similar to that in eastern plain in China. There are no pair pulses of reflection in 98% CIDs which much less than that in eastern plain in China. Roughly, CIDs can be characterized with an average rise time of 1.5μs, an average main peak width of 4.0 μs, an average of broadband EFC duration of 20.0 μs and VHF duration of 10.0 μs, respectively.

相关文章