Mapping electrodynamic features of the high-latitude ionosphere from localized observations - Technique

Details Mapping electrodynamic features of the high-latitude ionosphere from localized observations - Technique Mapping electrodynamic features of the high-latitude ionosphere from localized observations - Technique

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jgr....93.5741r&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 93, June 1, 1988, p. 5741-5759. NSF-sponsored research.

Other

319

Earth Ionosphere, Electric Fields, Electrodynamics, Ionospheric Currents, Magnetic Variations, Polar Regions, Covariance, Electric Current, Error Analysis, Geomagnetism, Ionospheric Drift, Mapping, Mathematical Models, Radar Tracking

Scientific paper

This paper describes a novel procedure for mapping high-latitude electric fields and currents and their associated magnetic variations, using sets of localized observational data derived from different types of measurements. The technique provides a formalism for incorporating simultaneously such different classes of data as electric fields from radars and satellites, electric currents from radars, and magnetic perturbations at the ground and at satellite heights; the technique also uses available statistical information on the averages and variances of electrodynamic fields. The technique provides a more rigorous way of quantitatively estimating high-latitude electric field and current patterns than other methods and has a capability to quantify the errors in the mapped fields, based on the distribution of available data, their errors, and the statistical variances of the fields. The technique is illustrated by an application to a substorm which was analyzed by Kamide et al. (1982) by an earlier technique.

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