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Close up observation and inversion of low-altitude ENA emissions during a substorm event
Lu, Li1; McKenna-Lawlor, Susan2; Balaz, Jan2,3
Department空间环境部
Source PublicationScience China Earth Sciences
2019
DOI10.1007/s11430-018-9307-x
ISSN1674-7313
Abstract

During a series of substorm events on November 12 2004, the Neutral Atom Detector Unit (NUADU) flying onboard the TC-2 spacecraft observed, close to perigee, bright low-altitude Energetic Neutral Atom (ENA) emissions from both north and south poles. Through utilizing high temporal and spatial resolution data inversion techniques we present here a global view the associated processes of energetic ion deposition and injection at the uniquely high temporal resolution of a few minutes. It is demonstrated that the ENA emissions observed came mainly from the, low-altitude, high magnetic latitude polar region. Since precipitating ions follow magnetic field lines and have more chance to produce ENA emissions through charge exchange there. Therefore, the employment of a low-orbit satellite to record at high temporal and spatial resolution ENA image data is inferred to be the best way to monitor those dynamic ring current variations that occur during geomagnetic activity. © 2019, Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature.

Indexed BySCI ; EI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6962
Collection空间环境部
Affiliation1.National Space Science Center of the Chinese Academy of Sciences, Beijing; 100190, China;
2.Space Technology Ireland, Ltd., Maynooth, Co. Kildare, Ireland;
3.Institute of Experimental Physics, Kosice, Slovakia
Recommended Citation
GB/T 7714
Lu, Li,McKenna-Lawlor, Susan,Balaz, Jan. Close up observation and inversion of low-altitude ENA emissions during a substorm event[J]. Science China Earth Sciences,2019.
APA Lu, Li,McKenna-Lawlor, Susan,&Balaz, Jan.(2019).Close up observation and inversion of low-altitude ENA emissions during a substorm event.Science China Earth Sciences.
MLA Lu, Li,et al."Close up observation and inversion of low-altitude ENA emissions during a substorm event".Science China Earth Sciences (2019).
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