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DOI | 10.1002/2016JD026235 |
Characteristics of the initial stage and return stroke currents of rocket-triggered lightning flashes in southern China | |
Zheng, Dong1; Zhang, Yijun1; Zhang, Yang1; Lu, Weitao1; Yan, Xu2; Chen, Shaodong2; Xu, Liangtao1; Huang, Zhigang1; You, Jin1; Zhang, Rong1; Su, Zhiguo1 | |
2017-06-27 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
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ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2017 |
卷号 | 122期号:12 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | This study investigates the initial stage (IS) and return stroke (RS) currents of 50 triggered lightning flashes (TLFs) that were conducted in southern China. The IS of the negative TLFs has a longer duration and larger average current, charge transfer, and action integral than those reported elsewhere, with geometric means (GMs) of 347.9 ms, 132.5 A, 45.1 C, and 10.0 x 10(3) A(2) s, respectively. Two positive TLFs containing no RS have much greater average currents, charge transfers, and action integrals in the IS when compared with the negative TLFs. The RS has a greater peak current (17.2 kA; GM, same to below), charge transfer within 1 ms (1.3 C), and action integral within 1 ms (5.8 x 10(3) A(2) s), and shorter 10% to 90% rise time (0.4 mu s) than elsewhere. The peak current is prominently correlated with the rate of rise, charge transfer within 1 ms, and action integral within 1 ms. Furthermore, when the total duration of the RS and any following continuing currents is longer than 40 ms, the peak current, charge transfer within 1 ms, and action integral within 1 ms of the RS are seldom greater than 25 kA, 2.6 C, and 15 x 10(3) A(2) s, respectively. It is indicated that TLFs containing RSs tend to have a longer duration but a smaller charge transfer during the IS than those without RS. The peak current of the RS is weakly correlated with its preceding silence period when there was no channel base current. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000405514000018 |
WOS关键词 | ELECTRIC-FIELD ; CONTINUING CURRENTS ; FLORIDA ; STATISTICS ; DISCHARGES ; PARAMETERS ; ALABAMA ; SYSTEM ; PEAK |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/34015 |
专题 | 气候变化 |
作者单位 | 1.Chinese Acad Meteorol Sci, State Key Lab Severe Weather, Beijing, Peoples R China; 2.China Meteorol Adm, Guangzhou Inst Trop & Marine Meteorol, Guangzhou, Guangdong, Peoples R China |
推荐引用方式 GB/T 7714 | Zheng, Dong,Zhang, Yijun,Zhang, Yang,et al. Characteristics of the initial stage and return stroke currents of rocket-triggered lightning flashes in southern China[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(12). |
APA | Zheng, Dong.,Zhang, Yijun.,Zhang, Yang.,Lu, Weitao.,Yan, Xu.,...&Su, Zhiguo.(2017).Characteristics of the initial stage and return stroke currents of rocket-triggered lightning flashes in southern China.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,122(12). |
MLA | Zheng, Dong,et al."Characteristics of the initial stage and return stroke currents of rocket-triggered lightning flashes in southern China".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 122.12(2017). |
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