On the Causative Strokes of Halos Observed by ISUAL in the Vicinity of North America
文献类型:期刊论文
作者 | Lu, Gaopeng1,2,3; Yu, Bingkun4; Cummer, Steven A.5; Peng, Kang-Ming6; Chen, Alfred B.7; Lyu, Fanchao5; Xue, Xianghui4; Liu, Fei8,9![]() |
刊名 | GEOPHYSICAL RESEARCH LETTERS
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出版日期 | 2018-10-16 |
卷号 | 45期号:19页码:10781-10789 |
ISSN号 | 0094-8276 |
DOI | 10.1029/2018GL079594 |
通讯作者 | Lu, Gaopeng(gaopenglu@gmail.com) |
英文摘要 | The analysis of impulse charge moment change (iCMC) for the parent lightning strokes of 497 halos observed by the Imager of Sprites and Upper Atmospheric Lightning near North America in 2004-2015 indicates that the majority were produced by negative cloud-to-ground strokes predominantly produced in oceanic and coastal thunderstorms. Positive halos are almost always accompanied by sprites, and negative sprites are usually associated with halos. There are limited observations of positive pure halos with supercritical iCMCs (> +320 C km), but there are many negative pure halos with supercritical iCMCs (> -500 C km), suggesting a critical role of impulse charge transfer duration in the formation of streamers. The halo-producing threshold of lightning strength does not considerably depend on the polarity. Due to the dependence on the timescale of impulse charge transfer for streamer development, many negative cloud-to-ground strokes with iCMCs exceeding the threshold for sprite production actually produce halos instead. Plain Language Summary Our previous analysis has shown some features for the parent lightning strokes of red sprites observed by the Imager of Sprites and Upper Atmospheric Lightning in the vicinity of North America during a 12-year period from 2004 to 2015. In this paper, we extend the analysis to 497 halos observed by Imager of Sprites and Upper Atmospheric Lightning in the same region and during the same time period. The results show that the majority (75%) of halos were produced by negative cloud-to-ground strokes, which are predominantly produced in oceanic thunderstorms. The duration of impulse charge transfer plays a critical role in the formation of sprite streamers. There are only very limited observations of positive pure halos with supercritical iCMCs (> +320 C km) for positive sprites, whereas there are many negative pure halos with supercritical iCMCs (> -500 C km) for negative sprites. Due to the dependence on the timescale of impulse charge transfer for the streamer development, many negative cloud-to-ground strokes with impulse charge transfer exceeding the threshold for sprite production actually produce halos instead. |
WOS关键词 | CHARGE MOMENT CHANGES ; ELF RADIATION ; SPRITES ; TRIANGULATION ; EVENTS ; IONIZATION ; INITIATION ; CURRENTS ; SPACE |
资助项目 | National Key Basic Research and Development Program[2014CB441405] ; National Key Basic Research and Development Program[2017YFC1501501] ; National Natural Science Foundation of China[41574179] ; National Natural Science Foundation of China[41622501] ; Hundred Talents Program of Chinese Academy of Sciences (CAS) ; Open Research Program of Key Laboratory of Geospace Environment (CAS), University of Science and Technology of China[GE2015-01] |
WOS研究方向 | Geology |
语种 | 英语 |
WOS记录号 | WOS:000448656800084 |
出版者 | AMER GEOPHYSICAL UNION |
资助机构 | National Key Basic Research and Development Program ; National Key Basic Research and Development Program ; National Key Basic Research and Development Program ; National Key Basic Research and Development Program ; National Key Basic Research and Development Program ; National Key Basic Research and Development Program ; National Key Basic Research and Development Program ; National Key Basic Research and Development Program ; National Key Basic Research and Development Program ; National Key Basic Research and Development Program ; National Key Basic Research and Development Program ; National Key Basic Research and Development Program ; National Key Basic Research and Development Program ; National Key Basic Research and Development Program ; National Key Basic Research and Development Program ; National Key Basic Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; 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源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/34564] ![]() |
专题 | 合肥物质科学研究院_中科院安徽光学精密机械研究所 |
通讯作者 | Lu, Gaopeng |
作者单位 | 1.Chinese Acad Sci, Inst Atmospher Phys, Key Lab Middle Atmosphere & Global Environm Obser, Beijing, Peoples R China 2.Chinese Acad Sci, Univ Sci & Technol China, Key Lab Geospace Environm, Hefei, Anhui, Peoples R China 3.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing, Peoples R China 4.Univ Sci & Technol China, Sch Earth & Space Sci, Hefei, Anhui, Peoples R China 5.Duke Univ, Elect & Comp Engn Dept, Durham, NC USA 6.Natl Cheng Kung Univ, Dept Phys, Tainan, Taiwan 7.Natl Cheng Kung Univ, Inst Space & Plasma Sci, Tainan, Taiwan 8.Nanjing Univ Informat Sci & Technol, Earth Syst Modeling Ctr, Nanjing, Jiangsu, Peoples R China 9.Nanjing Univ Informat Sci & Technol, Climate Dynam Res Ctr, Nanjing, Jiangsu, Peoples R China |
推荐引用方式 GB/T 7714 | Lu, Gaopeng,Yu, Bingkun,Cummer, Steven A.,et al. On the Causative Strokes of Halos Observed by ISUAL in the Vicinity of North America[J]. GEOPHYSICAL RESEARCH LETTERS,2018,45(19):10781-10789. |
APA | Lu, Gaopeng.,Yu, Bingkun.,Cummer, Steven A..,Peng, Kang-Ming.,Chen, Alfred B..,...&Su, Han-Tzong.(2018).On the Causative Strokes of Halos Observed by ISUAL in the Vicinity of North America.GEOPHYSICAL RESEARCH LETTERS,45(19),10781-10789. |
MLA | Lu, Gaopeng,et al."On the Causative Strokes of Halos Observed by ISUAL in the Vicinity of North America".GEOPHYSICAL RESEARCH LETTERS 45.19(2018):10781-10789. |
入库方式: OAI收割
来源:合肥物质科学研究院
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