Solar wind modulation of the Martian ionosphere observed by Mars Global Surveyor
Electron density profiles in the Martian ionosphere observed by the radio occultation experiment on board Mars Global Surveyor have been analyzed to determine if the densities are influenced by the solar wind. Evidence is presented that the altitude of the maximum ionospheric electron density sh...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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Copernicus Publications
2004-06-01
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| Series: | Annales Geophysicae |
| Online Access: | https://www.ann-geophys.net/22/2277/2004/angeo-22-2277-2004.pdf |
| _version_ | 1828779010928148480 |
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| author | J.-S. Wang J.-S. Wang E. Nielsen |
| author_facet | J.-S. Wang J.-S. Wang E. Nielsen |
| author_sort | J.-S. Wang |
| collection | DOAJ |
| description | Electron density profiles in the Martian ionosphere observed by the radio
occultation experiment on board Mars Global Surveyor have been analyzed to
determine if the densities are influenced by the solar wind. Evidence is
presented that the altitude of the maximum ionospheric electron density
shows a positive correlation to the energetic proton flux in the solar wind.
The solar wind modulation of the Martian ionosphere can be attributed to
heating of the neutral atmosphere by the solar wind energetic proton
precipitation. The modulation is observed to be most prominent at high solar
zenith angles. It is argued that this is consistent with the proposed
modulation mechanism. |
| first_indexed | 2024-12-11T16:53:44Z |
| format | Article |
| id | doaj.art-8c51cf4872aa41d78d72dfe9504dc77f |
| institution | Directory Open Access Journal |
| issn | 0992-7689 1432-0576 |
| language | English |
| last_indexed | 2024-12-11T16:53:44Z |
| publishDate | 2004-06-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Annales Geophysicae |
| spelling | doaj.art-8c51cf4872aa41d78d72dfe9504dc77f2022-12-22T00:58:01ZengCopernicus PublicationsAnnales Geophysicae0992-76891432-05762004-06-01222277228110.5194/angeo-22-2277-2004Solar wind modulation of the Martian ionosphere observed by Mars Global SurveyorJ.-S. Wang0J.-S. Wang1E. Nielsen2Max-Planck-Institut für Aeronomie, 37191 Katlenburg-Lindau, GermanySchool of Earth and Space Sciences, Peking University, Beijing 100871, ChinaMax-Planck-Institut für Aeronomie, 37191 Katlenburg-Lindau, GermanyElectron density profiles in the Martian ionosphere observed by the radio occultation experiment on board Mars Global Surveyor have been analyzed to determine if the densities are influenced by the solar wind. Evidence is presented that the altitude of the maximum ionospheric electron density shows a positive correlation to the energetic proton flux in the solar wind. The solar wind modulation of the Martian ionosphere can be attributed to heating of the neutral atmosphere by the solar wind energetic proton precipitation. The modulation is observed to be most prominent at high solar zenith angles. It is argued that this is consistent with the proposed modulation mechanism.https://www.ann-geophys.net/22/2277/2004/angeo-22-2277-2004.pdf |
| spellingShingle | J.-S. Wang J.-S. Wang E. Nielsen Solar wind modulation of the Martian ionosphere observed by Mars Global Surveyor Annales Geophysicae |
| title | Solar wind modulation of the Martian ionosphere observed by Mars Global Surveyor |
| title_full | Solar wind modulation of the Martian ionosphere observed by Mars Global Surveyor |
| title_fullStr | Solar wind modulation of the Martian ionosphere observed by Mars Global Surveyor |
| title_full_unstemmed | Solar wind modulation of the Martian ionosphere observed by Mars Global Surveyor |
| title_short | Solar wind modulation of the Martian ionosphere observed by Mars Global Surveyor |
| title_sort | solar wind modulation of the martian ionosphere observed by mars global surveyor |
| url | https://www.ann-geophys.net/22/2277/2004/angeo-22-2277-2004.pdf |
| work_keys_str_mv | AT jswang solarwindmodulationofthemartianionosphereobservedbymarsglobalsurveyor AT jswang solarwindmodulationofthemartianionosphereobservedbymarsglobalsurveyor AT enielsen solarwindmodulationofthemartianionosphereobservedbymarsglobalsurveyor |