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Solar wind electron precipitation into the dayside Martian upper atmosphere through the cusps of strong crustal fields
dc.contributor.authorXu, Shaosuien_US
dc.contributor.authorLiemohn, Michael W.en_US
dc.contributor.authorMitchell, David L.en_US
dc.date.accessioned2015-02-19T15:41:07Z
dc.date.availableWITHHELD_11_MONTHSen_US
dc.date.available2015-02-19T15:41:07Z
dc.date.issued2014-12en_US
dc.identifier.citationXu, Shaosui; Liemohn, Michael W.; Mitchell, David L. (2014). "Solar wind electron precipitation into the dayside Martian upper atmosphere through the cusps of strong crustal fields." Journal of Geophysical Research: Space Physics 119(12): 10100-10115.en_US
dc.identifier.issn2169-9380en_US
dc.identifier.issn2169-9402en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/110644
dc.description.abstractMeasurements made by the magnetometer/electron reflectometer on board the Mars Global Surveyor spacecraft have shown spatially localized enhancements in electron fluxes over the strong crustal fields on both the dayside and night, which are used to identify the cusps in between the closed magnetic fields. This paper provides a comprehensive statistical study on the occurrence rate of dayside solar wind/magnetosheath precipitation over the strong crustal fields. Also, the occurrence rate's dependence on the magnetic elevation angles and the solar zenith angle is presented. A seasonal variation of the precipitation is also expected and found, due to both the tilt and the orbital eccentricity of Mars. The maximum occurrence rate is 40%, when the solar zenith angles are small and the magnetic fields are nearly vertical. Finally, the energy flux deposition of the solar wind electrons is calculated as well, which is 0.1%–2% of solar EUV flux input.Key PointsThe occurrence rate of solar wind electron precipitation into Martian atmosphereOccurrence rate's dependence on magnetic elevation angle and solar zenith angleEnergy deposition of solar wind electronsen_US
dc.publisherSpringeren_US
dc.publisherWiley Periodicals, Inc.en_US
dc.subject.otheroccurrence rateen_US
dc.subject.othercuspen_US
dc.subject.otherMarsen_US
dc.subject.othersolar wind electronen_US
dc.subject.otherprecipitationen_US
dc.subject.otherstrong crustal fielden_US
dc.titleSolar wind electron precipitation into the dayside Martian upper atmosphere through the cusps of strong crustal fieldsen_US
dc.typeArticleen_US
dc.rights.robotsIndexNoFollowen_US
dc.subject.hlbsecondlevelAstronomy and Astrophysicsen_US
dc.subject.hlbtoplevelScienceen_US
dc.description.peerreviewedPeer Revieweden_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/110644/1/jgra51520.pdf
dc.identifier.doi10.1002/2014JA020363en_US
dc.identifier.sourceJournal of Geophysical Research: Space Physicsen_US
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dc.owningcollnameInterdisciplinary and Peer-Reviewed


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