气候变化领域集成服务门户(CCPortal): First Synoptic Observations of Geomagnetic Storm Effects on the Global-Scale OI 135.6-nm Dayglow in the Thermosphere by the GOLD Mission

CCPortal

DOI	10.1029/2019GL085400
	First Synoptic Observations of Geomagnetic Storm Effects on the Global-Scale OI 135.6-nm Dayglow in the Thermosphere by the GOLD Mission
	Gan Q.; Eastes R.W.; Burns A.G.; Wang W.; Qian L.; Solomon S.C.; Codrescu M.V.; McInerney J.; McClintock W.E.
发表日期	2020
ISSN	0094-8276
卷号	47 期号:3
英文摘要	The Global-scale Observations of the Limb and Disk (GOLD) mission provides, for the first time, a synoptic view of the thermospheric response to a moderate geomagnetic storm at a 30-min cadence. The observations showed that the OI 135.6-nm emission substantially decreased at middle and high latitudes, but it increased at low latitudes. The depletion pattern between 4 and 6 November 2018 was likely due to the strong upwelling of the high-latitude thermosphere. The deepest depletion in brightness that occurred near local noon was of ~300–400 R (~35% of the quiet time background level) and displayed a striking westward movement. First-principles modeling reasonably reproduced the overall morphology of brightness response to the geomagnetic storm despite the depletion magnitude in brightness being underestimated. The postprocessing of the simulation results revealed that the westward movement of the deepest depletion was attributable to the horizontal wind changes driven by the geomagnetic storm. ©2020. American Geophysical Union. All Rights Reserved.
英文关键词	Gold; Ionosphere; Luminance; Storms; Background level; First principles models; Geo-stationary orbits; Geomagnetic storm; High Latitudes; Horizontal winds; Synoptic observation; Thermosphere/Ionosphere; Geomagnetism
语种	英语
来源期刊	Geophysical Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/170730
作者单位	Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, Boulder, CO, United States; High Altitude Observatory, National Center for Atmospheric Research, Boulder, CO, United States; Space Weather Prediction Center, National Oceanic and Atmospheric Administration, Boulder, CO, United States
推荐引用方式 GB/T 7714	Gan Q.,Eastes R.W.,Burns A.G.,et al. First Synoptic Observations of Geomagnetic Storm Effects on the Global-Scale OI 135.6-nm Dayglow in the Thermosphere by the GOLD Mission[J],2020,47(3).
APA	Gan Q..,Eastes R.W..,Burns A.G..,Wang W..,Qian L..,...&McClintock W.E..(2020).First Synoptic Observations of Geomagnetic Storm Effects on the Global-Scale OI 135.6-nm Dayglow in the Thermosphere by the GOLD Mission.Geophysical Research Letters,47(3).
MLA	Gan Q.,et al."First Synoptic Observations of Geomagnetic Storm Effects on the Global-Scale OI 135.6-nm Dayglow in the Thermosphere by the GOLD Mission".Geophysical Research Letters 47.3(2020).