Journal
ANNALES GEOPHYSICAE
Volume 20, Issue 7, Pages 981-996Publisher
EUROPEAN GEOPHYSICAL SOC
DOI: 10.5194/angeo-20-981-2002
Keywords
magnetospheric physics; plasmasphere; plasma waves and instabilities; instruments and techniques
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A comprehensive empirical model of waves is developed in the objective to simulate wave-particle interactions involved in the loss and acceleration of radiation belt electrons. Three years of measured magnetic wave field components from the Plasma Wave Instrument on board the DE-1 satellite are used to model the amplitude spectral density of the magnetic wave field of each type of emission observed in the equatorial regions of the plasmasphere: VLF transmitter emissions, chorus emissions, plasmaspheric hiss emissions and equatorial emissions below similar to200 Hz. Each model is a function of the wave frequency f, the MLT, L and Mlat parameters, and the K-p values. The performances of the plasmaspheric hiss and chorus models are tested on amplitude spectra recorded on board the OGO-5 and GEOS-1 satellites.
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