Convection electric fields and electrostatic potential over Lambda between 61 and 72 degrees invariant latitude observed with the European incoherent scatter facility. II - Statistical results

Details Convection electric fields and electrostatic potential over Lambda between 61 and 72 degrees invariant latitude observed with the European incoherent scatter facility. II - Statistical results Convection electric fields and electrostatic potential over Lambda between 61 and 72 degrees invariant latitude observed with the European incoherent scatter facility. II - Statistical results

Apr 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990angeo...8..257s&link_type=abstract

Annales Geophysicae (ISSN 0992-7689), vol. 8, April 1990, p. 257-272.

Physics

47

Electric Fields, Electrostatics, Field Aligned Currents, Incoherent Scattering, Polar Caps, Statistical Analysis, Earth Ionosphere, Earth Magnetosphere, Electric Potential, Field Of View

Scientific paper

Empirical statistical models of convective electric fields are constructed as a function of the magnetic activity index, Kp, using more than three years of observations of the F2 region between 61 and 73 degrees invariant latitude for 24-hr runs. It is found, in particular, that (1) the potential drop from dawn to dusk increases with magnetic activity, (2) the statistical evening and morning plasma convection cells have a roughly symmetric shape, and (3) the potential pattern is rotated relative to the noon-midnight meridian toward earlier local times, and the amount of rotation increases with Kp.

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