NDLI: Ionospheric and magnetospheric plasmapauses'

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Ionospheric and magnetospheric plasmapauses'

Content Provider	NASA Technical Reports Server (NTRS)
Author	Hoffman, J. H. Maynard, N. C. Grebowsky, J. M.
Copyright Year	1977
Description	During August 1972, Explorer 45 orbiting near the equatorial plane with an apogee of about 5.2 R sub e traversed magnetic field lines in close proximity to those simultaneously traversed by the topside ionospheric satellite ISIS 2 near dusk in the L range 2-5.4. The locations of the Explorer 45 plasmapause crossings during this month were compared to the latitudinal decreases of the H(+) density observed on ISIS 2 near the same magnetic field lines. The equatorially determined plasmapause field lines typically passed through or poleward of the minimum of the ionospheric light ion trough, with coincident satellite passes occurring for which the L separation between the plasmapause and trough field lines was between 1 and 2. Vertical flows of the H(+) ions in the light ion trough as detected by the magnetic ion mass spectrometer on ISIS were directed upward with velocities between 1 and 2 kilometers/sec near dusk on these passes. These velocities decreased to lower values on the low latitude side of the H(+) trough but did not show any noticeable change across the field lines corresponding to the magnetospheric plasmapause.
File Size	3073298
Page Count	36
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19780002703
Archival Resource Key	ark:/13960/t79s6jr82
Language	English
Publisher Date	1977-10-01
Access Restriction	Open
Subject Keyword	Geophysics Ion Density Concentration Equators Ionospherics Hydrogen Ions Latitude Measurement Vertical Distribution Magnetopause Plasmapause Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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