Physics
Scientific paper
Mar 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ang....38...25k&link_type=abstract
Annales de Geophysique, vol. 38, Jan.-Mar. 1982, p. 25-32.
Physics
Earth Ionosphere, Geomagnetism, Magnetic Storms, Plasmasphere, Space Plasmas, Thermal Plasmas, Atmospheric Models, Hydrodynamics, Hydrogen Ions, Ionospheric Electron Density, Ionospheric Ion Density
Scientific paper
An analytical solution to a diffusion equation and a numerical solution to a set of hydrodynamical equations are obtained to show a dependence of the geomagnetic thermal plasma tube filling on the geomagnetic size of the tube. A geomagnetic force tube located at 200 km and filled with H, O, O2, and N2 neutral particles is considered and basic hydrodynamic equations describing the filling of the tube are defined. The filling is the recovery process of the outer ionosphere and plasmasphere after a geomagnetic disturbance. The equations of continuity and motion for the ionized and neutral particles take into account the rate of O-ion production during photoionization. A numerical solution of the equations is compared with experimental data to find that for the maximum value of electron content of a tube is proportional to the tube diameter. A filling rate of 100 million/sq cm per sec is found in tubes larger than L equals 3.
Krinberg I. A.
Tashchilin Anatoly V.
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