Computer Science – Sound
Scientific paper
Sep 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984esasp.217..373m&link_type=abstract
In ESA Achievements of the Intern. Magnetospheric Study (IMS) p 373-377 (SEE N85-24544 14-46)
Computer Science
Sound
Auroral Arcs, Electrohydrodynamics, International Magnetospheric Study, Magnetic Storms, Rocket Sounding, Atmospheric Heating, Birkeland Currents, Electron Density Profiles, Geos Satellites (Esa), Ionospheric Currents, Ohmic Dissipation, Resistance Heating
Scientific paper
High resolution in situ observations by sounding rockets of auroral phenomena are discussed. Results from the Substorm-GEOS rocket campaign and from simultaneous ground based observations show that Joule and particle heating are correlated during breakup but anticorrelated before. Auroral motion is governed by E x B/B sq drift prior to, but not during, breakup. Rees' steady-state model to calculate electron density profiles from measured particle spectra is generalized by inclusion of the time dependence. An auroral arc classification based on the relative influence on the arc electric field pattern of polarization and Birkeland currents is suggested, and applied to arc observations. High altitude potential distributions are presented.
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