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Earth's ion upflow associated with polar cap patches: Global and in situ observations
Zhang, QH; Zong, QG; Lockwood, M; Heelis, RA; Hairston, M; Liang, J; McCrea, I; Zhang, BC; Moen, J; Zhang, SR; Zhang, YL; Ruohoniemi, JM; Lester, M; Thomas, EG; Liu, RY; Dunlop, MW; Liu, YCM; Ma, YZ; Zhang, QH (reprint author), Shandong Univ, Inst Space Sci, Shandong Prov Key Lab Opt Astron & Solar Terr Env, Weihai, Peoples R China.
Department空间科学部
Source PublicationGEOPHYSICAL RESEARCH LETTERS
2016
Volume43Issue:5Pages:1845-1853
ISSN0094-8276
Language英语
KeywordIon Upflow Polar Cap Patches Polar Ionosphere Magnetosphere-ionosphere Coupling
AbstractWe report simultaneous global monitoring of a patch of ionization and in situ observation of ion upflow at the center of the polar cap region during a geomagnetic storm. Our observations indicate strong fluxes of upwelling O+ ions originating from frictional heating produced by rapid antisunward flow of the plasma patch. The statistical results from the crossings of the central polar cap region by Defense Meteorological Satellite Program F16-F18 from 2010 to 2013 confirm that the field-aligned flow can turn upward when rapid antisunward flows appear, with consequent significant frictional heating of the ions, which overcomes the gravity effect. We suggest that such rapidly moving patches can provide an important source of upwelling ions in a region where downward flows are usually expected. These observations give new insight into the processes of ionosphere-magnetosphere coupling.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5400
Collection空间科学部
Corresponding AuthorZhang, QH (reprint author), Shandong Univ, Inst Space Sci, Shandong Prov Key Lab Opt Astron & Solar Terr Env, Weihai, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, QH,Zong, QG,Lockwood, M,et al. Earth's ion upflow associated with polar cap patches: Global and in situ observations[J]. GEOPHYSICAL RESEARCH LETTERS,2016,43(5):1845-1853.
APA Zhang, QH.,Zong, QG.,Lockwood, M.,Heelis, RA.,Hairston, M.,...&Zhang, QH .(2016).Earth's ion upflow associated with polar cap patches: Global and in situ observations.GEOPHYSICAL RESEARCH LETTERS,43(5),1845-1853.
MLA Zhang, QH,et al."Earth's ion upflow associated with polar cap patches: Global and in situ observations".GEOPHYSICAL RESEARCH LETTERS 43.5(2016):1845-1853.
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20164351845-1853.pdf(4676KB)期刊论文作者接受稿开放获取CC BY-NC-SAApplication Full Text
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