Wave-induced burst precipitation events detected with a digital ionosonde

Journal Article · Mon Jan 01 04:00:00 EST 1990 · Geophysical Research Letters (American Geophysical Union); (USA)

DOI:https://doi.org/10.1029/GL017i001p00061· OSTI ID:6061288

Jarvis, M J; Smith, A J ^[1]; Berkey, F T ^[2]; Carpenter, D L ^[3]

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1. Natural Environment Research Council, Cambridge (England)
2. Utah State Univ., Logan (USA)
3. Stanford Univ., CA (USA)

Initial results are presented from two methods whereby burst precipitation events in the lower ionosphere, almost certainly induced by VLF wave-particle interactions in the magnetosphere, have been detected using a ground-based digital ionosonde. In the first method, HF echoes are received above the critical frequency of the surrounding plasma; particle energies and the location and extent of the plasma enhancement may be deduced. In the second method, a rapid decrease in the phase of ionospheric echoes is observed due to refractive index changes along the echo path; particle energies, the duration of the precipitation event and the precipitation energy flux can be estimated.

• OSTI ID: 6061288
• Journal Information: Geophysical Research Letters (American Geophysical Union); (USA), Journal Name: Geophysical Research Letters (American Geophysical Union); (USA) Vol. 17:1; ISSN 0094-8276; ISSN GPRLA
• Country of Publication: United States
• Language: English

Related Subjects

640201* -- Atmospheric Physics-- Auroral
Ionospheric
& Magetospheric Phenomena
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CHARGED-PARTICLE PRECIPITATION
CRITICAL FREQUENCY
CYCLOTRON RESONANCE
EARTH ATMOSPHERE
EARTH MAGNETOSPHERE
ELECTROMAGNETIC RADIATION
ELECTRON PRECIPITATION
ELECTRONIC EQUIPMENT
EQUIPMENT
INTERACTIONS
IONIZATION
IONOSONDES
IONOSPHERE
LOSS CONE
NOISE
OPTICAL PROPERTIES
PHYSICAL PROPERTIES
PLANETARY IONOSPHERES
RADIATIONS
RADIO EQUIPMENT
RADIO NOISE
RADIOWAVE RADIATION
REFRACTIVITY
RESONANCE
WAVE PROPAGATION
WHISTLERS