Simultaneous observations of E-region irregularities by ground-based and rocket-borne techniques

Details Simultaneous observations of E-region irregularities by ground-based and rocket-borne techniques Simultaneous observations of E-region irregularities by ground-based and rocket-borne techniques

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jatp...47..265d&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 47, Jan.-Mar. 1985, p. 265-281.

Computer Science

Sound

3

E Region, Ground Stations, Ionospheric Electron Density, Ionospheric Sounding, Radar Measurement, Rocket Sounding, Auroral Electrojets, Ion Acoustic Waves, Irregularities, Magnetohydrodynamic Stability, Phase Velocity

Scientific paper

E-region irregularities were observed under various geomagnetic conditions by the SAFARI and STARE auroral radars and Langmuir probes during the Energy Budget Campaign in November-December 1980. The 10-m and 1-m-wavelength phase irregularities and their phase velocities were measured; associated rocket-borne measurements of electron densities over Kiruna showed vertical/temporal structure, indicating the existence of irregularities in ionization between 90 and 110 km. Furthermore, rocket-borne measurements under moderately disturbed conditions showed the presence of VLF electric fields in the frequency bands of 168-5519 Hz at altitudes between 103 and 145 km at Kiruna. These results, corroborated by some measurements at Andoya, are interpreted in terms of the decay of ion acoustic waves generated by plasma instabilities in the auroral electrojet.

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