Observation of pulsating aurora signatures in cosmic noise absorption data

doi:10.1002/2017GL073901

GSTDTAP > 气候变化

DOI	10.1002/2017GL073901
	Observation of pulsating aurora signatures in cosmic noise absorption data
	Grandin, M.1,2; Kero, A.1; Partamies, N.3,4; McKay, D.1,5; Whiter, D.6; Kozlovsky, A.1; Miyoshi, Y.7
	2017-06-16
发表期刊	GEOPHYSICAL RESEARCH LETTERS
ISSN	0094-8276
EISSN	1944-8007
出版年	2017
卷号	44 期号:11
文章类型	Article
语种	英语
国家	Finland; France; Norway; England; Japan
英文摘要	This study investigates the contribution of energetic (E > 30keV) particle precipitation during a pulsating aurora event over Kilpisjarvi (L = 6.2) on 26February2014. It is based on the comparison of auroral blue-line emission (427.8nm) data from an all-sky camera and cosmic noise absorption (CNA) data obtained from a multibeam experiment of the Kilpisjarvi Atmospheric Imaging Receiver Array (KAIRA) riometer. The data sets are compared for three KAIRA beams close to magnetic zenith. Results show a clear correlation between the measured CNA and the auroral blue-line emission during the event, for each beam. In addition, individual pulsations are observed for the first time in the cosmic noise absorption data measured by KAIRA and are found to be close-to-identical to the optical pulsations. This suggests that the modulation of electron precipitation during pulsating aurora takes place in a consistent way over a broad range of energies.
英文关键词	pulsating aurora energetic electron precipitation optical data riometer cosmic noise absorption high-latitude ionosphere
领域	气候变化
收录类别	SCI-E
WOS记录号	WOS:000404382600006
WOS关键词	WHISTLER-MODE CHORUS ; ELECTRONS ; SUBSTORM ; WAVES ; PRECIPITATION ; MODULATION ; MORPHOLOGY ; PATCHES ; PHASE
WOS类目	Geosciences, Multidisciplinary
WOS研究方向	Geology
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/27017
专题	气候变化
作者单位	1.Univ Oulu, Sodankyla Geophys Observ, Sodankyla, Finland; 2.Univ Toulouse, CNRS, IRAP, UPS,CNES, Toulouse, France; 3.Univ Ctr Svalbard, Dept Arctic Geophys, Longyearbyen, Norway; 4.Birkeland Ctr Space Sci, Bergen, Norway; 5.Univ Tromso, Dept Phys & Technol, Tromso, Norway; 6.Univ Southampton, Space Environm Phys, Southampton, Hants, England; 7.Nagoya Univ, Inst Space Earth Environm Res, Nagoya, Aichi, Japan
推荐引用方式 GB/T 7714	Grandin, M.,Kero, A.,Partamies, N.,et al. Observation of pulsating aurora signatures in cosmic noise absorption data[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(11).
APA	Grandin, M..,Kero, A..,Partamies, N..,McKay, D..,Whiter, D..,...&Miyoshi, Y..(2017).Observation of pulsating aurora signatures in cosmic noise absorption data.GEOPHYSICAL RESEARCH LETTERS,44(11).
MLA	Grandin, M.,et al."Observation of pulsating aurora signatures in cosmic noise absorption data".GEOPHYSICAL RESEARCH LETTERS 44.11(2017).