First simultaneous observation of STEVE and SAR arc combiningdata from citizen scientists, 630.0 nm all‐sky images, and satellites.

doi:10.1029/2020GL092169

On 28 September 2017 citizen scientist observations at Alberta, Canada (51° N, 113° W) detected aurora and a thin east‐west purplish arc, known as STEVE (Strong Thermal Emission Velocity Enhancement) that lasted less than 20 minutes. All‐sky imagers at sub‐auroral latitudes measured stable auroral red (SAR) arcs during the entire night. The imager at Bridger, MT (45.3° N, 108.9° W) also measured a STEVE. The overlapping geometry allowed to determine that the height of STEVE was 225‐275 km. STEVE is brighter in the 630.0 nm images in the west and almost merges with the SAR arc in the east. A DMSP satellite pass in the southern hemisphere was at the conjugate location of the Bridger imager during the STEVE observation. When mapped into the northern hemisphere intense SAID (sub auroral ion drift) and SAPS (sub auroral polarization streams) were detected associated with the two optical signatures measured in 630.0 nm.

DOI	10.1029/2020GL092169
	First simultaneous observation of STEVE and SAR arc combiningdata from citizen scientists, 630.0 nm all‐sky images, and satellites.
	C. Martinis; Y. Nishimura; J. Wroten; A. Bhatt; A. Dyer; J. Baumgardner; B. Gallardo‐; Lacourt
	2021-04-06
发表期刊	Geophysical Research Letters
出版年	2021
英文摘要	On 28 September 2017 citizen scientist observations at Alberta, Canada (51° N, 113° W) detected aurora and a thin east‐west purplish arc, known as STEVE (Strong Thermal Emission Velocity Enhancement) that lasted less than 20 minutes. All‐sky imagers at sub‐auroral latitudes measured stable auroral red (SAR) arcs during the entire night. The imager at Bridger, MT (45.3° N, 108.9° W) also measured a STEVE. The overlapping geometry allowed to determine that the height of STEVE was 225‐275 km. STEVE is brighter in the 630.0 nm images in the west and almost merges with the SAR arc in the east. A DMSP satellite pass in the southern hemisphere was at the conjugate location of the Bridger imager during the STEVE observation. When mapped into the northern hemisphere intense SAID (sub auroral ion drift) and SAPS (sub auroral polarization streams) were detected associated with the two optical signatures measured in 630.0 nm. This article is protected by copyright. All rights reserved.
领域	气候变化
URL	查看原文
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/322035
专题	气候变化
推荐引用方式 GB/T 7714	C. Martinis,Y. Nishimura,J. Wroten,等. First simultaneous observation of STEVE and SAR arc combiningdata from citizen scientists, 630.0 nm all‐sky images, and satellites.[J]. Geophysical Research Letters,2021.
APA	C. Martinis.,Y. Nishimura.,J. Wroten.,A. Bhatt.,A. Dyer.,...&Lacourt.(2021).First simultaneous observation of STEVE and SAR arc combiningdata from citizen scientists, 630.0 nm all‐sky images, and satellites..Geophysical Research Letters.
MLA	C. Martinis,et al."First simultaneous observation of STEVE and SAR arc combiningdata from citizen scientists, 630.0 nm all‐sky images, and satellites.".Geophysical Research Letters (2021).

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