Computer Science – Sound
Scientific paper
Feb 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982p%26ss...30..179m&link_type=abstract
Planetary and Space Science, vol. 30, Feb. 1982, p. 179-197. Research supported by the Swedish Board of Space Activities.
Computer Science
Sound
38
Atmospheric Electricity, Auroral Arcs, Electric Fields, Ionospheric Sounding, Rocket Sounding, Energy Spectra, High Resolution, Ionospheric Electron Density, Magnetic Disturbances, Rocket-Borne Instruments, Temporal Distribution
Scientific paper
Calculations based on high-resolution electric field and particle data gathered during a rocket crossing over a discrete, early-evening arc are found to be consistent with ground based observations. It is shown that: (1) the establishment of a polarization electric field within the arc is indicated by an anticorrelation between the electric field and the electron density or conductivity pattern across the arc; (2) the validity of the steady-state assumption must be checked when calculating electron density profiles from the particle precipitation, either by comparison with on-board plasma density measurements or by careful location of the precipitation regions relative to the rocket; and (3) the combination of these two methods makes possible the inclusion of finite precipitation time, by its insertion into the time-dependent solution for the electron density.
Marklund Göran
Opgenoorth Hermann
Sandahl Ingrid
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