NASA NTRS · 19720018179
Electric fields in the magnetosphere
Abstract
Two techniques, tracking the motions of Ba(+) clouds and measuring the differences in floating potential between symmetric double probes, were successful in: (1) demonstrating the basic convective nature of magnetospheric electric fields, (2) mapping global patterns of convection at upper ionosphere levels, and (3) revealing the physics of electric currents in the ionosphere and the importance of magnetosphere-ionosphere feedback in altering the imposed convection.
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Heppner, J. P.. 1972-05-01. Electric fields in the magnetosphere. https://ntrs.nasa.gov/citations/19720018179
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