气候变化领域集成服务门户(CCPortal): Blue Optical Observations of Narrow Bipolar Events by ASIM Suggest Corona Streamer Activity in Thunderstorms

CCPortal

DOI	10.1029/2020JD032708
	Blue Optical Observations of Narrow Bipolar Events by ASIM Suggest Corona Streamer Activity in Thunderstorms
	Soler S.; Pérez-Invernón F.J.; Gordillo-Vázquez F.J.; Luque A.; Li D.; Malagón-Romero A.; Neubert T.; Chanrion O.; Reglero V.; Navarro-Gonzalez J.; Lu G.; Zhang H.; Huang A.; Østgaard N.
发表日期	2020
ISSN	2169897X
卷号	125 期号:16
英文摘要	While narrow bipolar events (NBEs) could be related with lightning initiation, their intrinsic physics remains in question. Here we report on optical measurements by the Atmosphere-Space Interactions Monitor (ASIM) on the International Space Station (ISS) of blue flashes associated with NBEs. They are observed in a narrow blue band centered at 337 nm, with no simultaneous activity at 777.4 nm, considered a strong lightning emission line. From radio waves measured from the ground, we find that 7 of 10 single-pulse blue events can be identified as positive NBEs. The source altitudes estimated from optical and radio signals agree and indicate that the sources of the blue flashes are located between ∼8.5 and ∼14 km, in a cloud reaching 14–15 km altitude. The observations suggest that single-pulse blue flashes are from cold ionization waves, so-called streamers, and that positive NBEs are corona discharges formed by many streamers. ©2020. American Geophysical Union. All Rights Reserved.
英文关键词	Clouds; Lightning; NBE
语种	英语
来源期刊	Journal of Geophysical Research: Atmospheres
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/185833
作者单位	Instituto de Astrofísica de Andalucía, CSIC, Glorieta de la Astronomia s/n, Granada, Spain; Deutsches Zentrum für Luft- und Raumfahrt, Institut für Physik der Atmosphäre, Oberpfaffenhofen, Germany; National Space Institute, Technical University of Denmark (DTU Space), Kongens Lyngby, Denmark; Image Processing Laboratory, University of Valencia, Valencia, Spain; Key Laboratory of Geospace Environment, Chinese Academy of Sciences, University of Science and Technology of China, Hefei, China; Key Laboratory for Middle Atmosphere and Global Environment Observation, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; Key Laboratory of Middle Atmosphere and Global Environment Observation (LAGEO), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; Now at Electrical and Computer Engineering Department, Duke University, Durham, NC, United States; Birkeland Centre for Space Science, Department of Physics and Technology, Bergen, Norway
推荐引用方式 GB/T 7714	Soler S.,Pérez-Invernón F.J.,Gordillo-Vázquez F.J.,et al. Blue Optical Observations of Narrow Bipolar Events by ASIM Suggest Corona Streamer Activity in Thunderstorms[J],2020,125(16).
APA	Soler S..,Pérez-Invernón F.J..,Gordillo-Vázquez F.J..,Luque A..,Li D..,...&Østgaard N..(2020).Blue Optical Observations of Narrow Bipolar Events by ASIM Suggest Corona Streamer Activity in Thunderstorms.Journal of Geophysical Research: Atmospheres,125(16).
MLA	Soler S.,et al."Blue Optical Observations of Narrow Bipolar Events by ASIM Suggest Corona Streamer Activity in Thunderstorms".Journal of Geophysical Research: Atmospheres 125.16(2020).