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An Incoherent Scatter Radar Technique For Determining Two-Dimensional Ionization Structure In Polar Cap F-Region Patches, T. R. Pedersen, Bela G. Fejer, R. A. Doe, E. J. Weber
An Incoherent Scatter Radar Technique For Determining Two-Dimensional Ionization Structure In Polar Cap F-Region Patches, T. R. Pedersen, Bela G. Fejer, R. A. Doe, E. J. Weber
Bela G. Fejer
We present a technique which combines time series of line-of-sight (LOS) velocity and electron density measurements from the Sondrestrom incoherent scatter radar (74.5° invariant latitude) to reconstruct the large-scale horizontal structure of the F region ionosphere during polar cap patch events. This reconstruction technique provides a new density-based means of examining patch morphology. Its wide region of coverage also facilitates comparison of radar measurements with other observational data sets. For two periods when patches were present and convection conditions in the nightside polar cap could be adequately approximated by the simple velocity model used in this initial implementation of the …