Physics
Scientific paper
Dec 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983jgr....8810233m&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 88, Dec. 1, 1983, p. 10233-10237.
Physics
2
Atmospheric Heating, Ion Temperature, Magnetic Storms, Plasmasphere, Thermosphere, Atmospheric Chemistry, Atmospheric Models, Daytime, Oxygen Ions, Periodic Variations
Scientific paper
Model calculations describing stormtime variations in the earth's dayside plasmasphere are used to examine variations in ion composition. The model storm is initiated by high-latitude thermospheric heating that generates meridional winds that carry neutral species, momentum, and energy equatorward. The thermosphere acts on the plasmasphere through collisional transfer of momentum and through chemical reactions between neutral species and ions. Over latitudes near the region of thermospheric heating, the thermosphere-plasmasphere coupling processes cause enhancement in the density of oxygen ions while protons are being lost. Meanwhile, densities of oxygen ions and protons near the equator are increasing together, almost in phase. The largest enhancements in ion density develop at latitudes near 45 deg invariant for both oxygen and hydrogen.
Harris Isadore
Mayr Hans G.
Miller Nathan J.
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