Spectral classification of medium-scale high-latitude F region plasma density irregularities

Details Spectral classification of medium-scale high-latitude F region plasma density irregularities Spectral classification of medium-scale high-latitude F region plasma density irregularities

Jul 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jgr....90.6525s&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 90, July 1, 1985, p. 6525-6532.

Mathematics

Logic

5

F Region, Ionospheric Ion Density, Magnetohydrodynamic Stability, Plasma Density, Plasma Diagnostics, Plasma Spectra, Auroras, Ion Currents, Power Spectra

Scientific paper

The high-latitude ionosphere represents a highly structured plasma. Rodriguez and Szuszczewicz (1984) reported a wide range of plasma density irregularities (150 km to 75 m) at high latitudes near 200 km. They have shown that the small-scale irregularities (7.5 km to 75 m) populated the dayside oval more often than the other phenomenological regions. It was suggested that in the lower F region the chemical recombination is fast enough to remove small-scale irregularities before convection can transport them large distances, leaving structured particle precipitation as the dominant source term for irregularities. The present paper provides the results of spectral analyses of pulsed plasma probe data collected 'in situ' aboard the STP/S3-4 satellite during the period March-September 1978. A quantitative description of irregularity spectra in the high-latitude lower F region plasma density is given.

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