globalchange  > 科学计划与规划
DOI: 10.1002/2016GL067897
论文题名:
Earth's ion upflow associated with polar cap patches: Global and in situ observations
作者: Zhang Q.-H.; Zong Q.-G.; Lockwood M.; Heelis R.A.; Hairston M.; Liang J.; McCrea I.; Zhang B.-C.; Moen Jø.; Zhang S.-R.; Zhang Y.-L.; Ruohoniemi J.M.; Lester M.; Thomas E.G.; Liu R.-Y.; Dunlop M.W.; Liu Y.C.-M.; Ma Y.-Z.
刊名: Geophysical Research Letters
ISSN: 0094-9324
EISSN: 1944-9055
出版年: 2016
卷: 43, 期:5
起始页码: 1845
结束页码: 1853
语种: 英语
英文关键词: ion upflow ; magnetosphere-ionosphere coupling ; polar cap patches ; polar ionosphere
Scopus关键词: Friction ; Geomagnetism ; Ionosphere ; Ionospheric measurement ; Magnetosphere ; Sailing vessels ; Defense Meteorological Satellite Programs ; Frictional heating ; Geomagnetic storm ; Global monitoring ; In-situ observations ; Magnetosphere-ionosphere coupling ; Polar cap patches ; Polar ionospheres ; Ions
英文摘要: We 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. © 2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84960337435&doi=10.1002%2f2016GL067897&partnerID=40&md5=8b34685c2f3fa9fa14e7d5629c459a51
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10287
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai, China

Recommended Citation:
Zhang Q.-H.,Zong Q.-G.,Lockwood M.,et al. Earth's ion upflow associated with polar cap patches: Global and in situ observations[J]. Geophysical Research Letters,2016-01-01,43(5).
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