DOI: 10.1002/2015GL064674
论文题名: Storm-to-storm main phase repeatability of the local time variation of disturbed low-latitude vertical ion drifts
作者: Huang C.-S.
刊名: Geophysical Research Letters
ISSN: 0094-9405
EISSN: 1944-9136
出版年: 2015
卷: 42, 期: 14 起始页码: 5694
结束页码: 5701
语种: 英语
英文关键词: equatorial ionosphere
; magnetic storm
; penetration electric field
Scopus关键词: Electric fields
; Geomagnetism
; Ionosphere
; Ions
; Magnetism
; Equatorial ionosphere
; Forecasting system
; Magnetic storms
; Penetration electric field
; Plasma drifts
; Simultaneous observation
; Time variations
; Vertical ion drift
; Storms
; electric field
; meridional circulation
; navigation
; satellite data
; storm
英文摘要: Penetration electric field can be very strong during magnetic storms. However, the variation of penetration electric field with local time (LT) has not been well understood. The Communication/Navigation Outage Forecasting System (C/NOFS) satellite measures the plasma drift/electric field over all local times within ∼100min. In this paper, we present the first nearly simultaneous observations of the dependence of penetration electric field on local time. The meridional ion drift measured by C/NOFS during the main phase of five magnetic storms in 2012 is analyzed. The storm time ion drift shows a large enhancement around 1900LT, a relatively small enhancement during daytime, and a deep decrease in the postmidnight sector with a peak around 0500LT. The observed storm time variation of the meridional ion drift with local time represents the variation of the penetration electric field. The averaged ion drifts are in remarkable agreement with recent simulations. © 2015. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84938996325&doi=10.1002%2f2015GL064674&partnerID=40&md5=9fbca08685ed220281ede60bf0034e77
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9020
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: Air Force Research Laboratory, Kirtland AFB, Albuquerque, NM, United States
Recommended Citation:
Huang C.-S.. Storm-to-storm main phase repeatability of the local time variation of disturbed low-latitude vertical ion drifts[J]. Geophysical Research Letters,2015-01-01,42(14).