Computer Science
Scientific paper
Aug 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979esasp.148..365l&link_type=abstract
In ESA Magnetospheric Boundary Layers p 365-373 (SEE N80-13529 04-42)
Computer Science
1
Corpuscular Radiation, Solar Terrestrial Interactions, Solar Wind, Cosmic Plasma, Cusps, E Region, Earth Magnetosphere, Energy Transfer, Magnetopause, Magnetosheath, Mass Transfer, Momentum Transfer, Polar Cap Absorption
Scientific paper
Impulsive penetration of solar wind plasma irregularities, which transfers energy, momentum, and particles into the magnetosphere, is studied. The effects on the upper atmosphere are examined and discussed. The heat deposition in the E-region (and above) due to Joule dissipation of depolarization current is evaluated and compared to the energy production due to the absorption of solar radiation. The wind speed imparted to ionospheric plasma in the throat region and over the polar cap is compared to the observed convection velocities. The impulsive injections of magnetosheath-like plasma observed at low altitudes in the dayside cusps are interpreted as consequences of field aligned expansions (spreadings) of engulfed solar wind filaments (intrusions) into the magnetosphere.
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