Phenomena in the high-latitude ionospheric F region induced by a HF heater wave at frequencies near the fourth electron gyroharmonic

Borisova, T. D. and Blagoveshchenskaya, N. F. and Kalishin, A. S. and Kosch, Michael and Senior, Andrew and Rietveld, M. T. and Yeoman, T. K. and Häggström, I. (2014) Phenomena in the high-latitude ionospheric F region induced by a HF heater wave at frequencies near the fourth electron gyroharmonic. Radiophysics and Quantum Electronics, 57 (1). pp. 1-19. ISSN 0033-8443

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Abstract

We present the results of multi-instrument studies of the phenomena in the high-latitude ionospheric F region stimulated by high-power HF O-mode radio waves injected towards the magnetic zenith when the ratio of the heater frequency to the cutoff frequency of the F2 layer is near the fourth electron gyroharmonic. Based on the stimulated electromagnetic emission (SEE), spectral observations in the kilohertz and hertz frequency bands of detunings relative to the heater wave frequency, the behaviors of different parameters of the ionospheric plasma and small-scale artificial field-aligned irregularities are compared and analyzed. The coexistence of the thermal (resonance) parametric instability (TPI) and parametric decay (striction) instability (PDI) was found in the vicinity of the fourth gyroresonance harmonic.

Item Type:
Journal Article
Journal or Publication Title:
Radiophysics and Quantum Electronics
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
ID Code:
71004
Deposited By:
Deposited On:
29 Sep 2014 08:37
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Nov 2020 05:46