High-order stimulated ionospheric diffuse plasma resonances: Significance for magnetospheric emissions

Journal Article · Tue Dec 01 04:00:00 EST 1992 · Journal of Geophysical Research; (United States)

DOI:https://doi.org/10.1029/92JA01524· OSTI ID:6788640

Benson, R F ^[1]; Osherovich, V A ^[2]

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1. NASA Goddard Space Flight Center, Greenbelt, MD (United States)
2. Hughest STX Corp., Lanham, MD (United States)

The sequence nature of the diffuse ionospheric resonances D[sub n] stimulated by topside sounders was discovered by Oya (1970) with n ranging from 1 to 4. Osherovich (1987) organized these observations using his earlier theory which predicted a nonequidistant spectrum with frequencies proportional to n[sup [1/2]] where n = 1, 2, [center dot][center dot][center dot]. This work has since been used to predict the exact spectral position of naturally occurring magnetospheric emissions, and such emissions corresponding to n = 4 and 5 were identified in the IMP 6 data. These results motivated a search for the stimulated ionospheric counterpart at n = 5. The authors present Alouette 2 and ISIS 1 topside sounder evidence for the stimulation of D[sub n] resonances with n > 4. The results indicate the close relationship between active ionospheric plasma wave experiments and the interpretation of magnetospheric emissions.

• OSTI ID: 6788640
• Journal Information: Journal of Geophysical Research; (United States), Journal Name: Journal of Geophysical Research; (United States) Vol. 97:A12; ISSN JGREA2; ISSN 0148-0227
• Country of Publication: United States
• Language: English

Related Subjects

661320* -- Auroral
Ionospheric
& Magnetospheric Phenomena-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CYCLOTRON RESONANCE
EARTH ATMOSPHERE
EARTH MAGNETOSPHERE
ELECTRON CYCLOTRON-RESONANCE
EMISSION
ENERGY-LEVEL TRANSITIONS
IONOSPHERIC EFFECTS
NONLINEAR PROBLEMS
PLASMA WAVES
RESONANCE
STIMULATED EMISSION