globalchange  > 科学计划与规划
DOI: 10.1002/2015GL066334
论文题名:
Neutral density response to solar flares at Mars
作者: Thiemann E.M.B.; Eparvier F.G.; Andersson L.A.; Fowler C.M.; Peterson W.K.; Mahaffy P.R.; England S.L.; Larson D.E.; Lo D.Y.; Schneider N.M.; Deighan J.I.; McClintock W.E.; Jakosky B.M.
刊名: Geophysical Research Letters
ISSN: 0094-8444
EISSN: 1944-8175
出版年: 2015
卷: 42, 期:21
起始页码: 8986
结束页码: 8992
语种: 英语
英文关键词: flare ; Mars ; neutral density ; solar flare ; thermosphere
Scopus关键词: Argon ; Heating ; Ionosphere ; Flare ; Mars ; Neutral densities ; Solar flare ; Thermosphere ; Upper atmosphere ; argon ; density ; detection method ; heating ; Mars ; Martian atmosphere ; solar activity ; spacecraft ; temperature profile ; thermosphere ; ultraviolet radiation ; X-ray
英文摘要: First direct observations of heating of the Mars neutral atmosphere by solar flares are presented in this study. Solar flares were detected using the Extreme Ultraviolet Monitor on board the Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft, and upper atmospheric temperature enhancements were determined by changes in the density scale height of Argon (Ar) made by the Neutral Gas and Ion Mass Spectrometer also on board MAVEN. We analyzed 14 M-class or greater flares that occurred during the early part of the MAVEN mission in addition to a 30 day period of high flare activity during May 2015. We report that the Mars dayside upper atmosphere shows significant heating near the flare soft X-ray peak; and it responds and recovers rapidly to heating from M-class or larger flares. In addition, we present atmospheric density versus altitude profiles that were taken near the soft X-ray peak of two flares. © 2015. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84955195218&doi=10.1002%2f2015GL066334&partnerID=40&md5=9b68a50b3de3ededdce8f2ad356d1dea
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8060
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: Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, Boulder, CO, United States

Recommended Citation:
Thiemann E.M.B.,Eparvier F.G.,Andersson L.A.,et al. Neutral density response to solar flares at Mars[J]. Geophysical Research Letters,2015-01-01,42(21).
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