A theoretical comparison between apparent and real vertical ionization drift velocities in the equatorial F region

Details A theoretical comparison between apparent and real vertical ionization drift velocities in the equatorial F region A theoretical comparison between apparent and real vertical ionization drift velocities in the equatorial F region

Apr 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jgr....86.2451b&link_type=abstract

Journal of Geophysical Research, vol. 86, Apr. 1, 1981, p. 2451-2454. Financiadora de Estudos e Projetos

Computer Science

Sound

96

Dynamic Models, Equatorial Atmosphere, F Region, Ionospheric Drift, Ionospheric Ion Density, Magnetic Equator, Space Plasmas, Vertical Motion, Atmospheric Ionization, Atmospheric Models, Computerized Simulation, Ionospheric Sounding, Plasma Drift, Radar Measurement, Vertical Distribution

Scientific paper

A theoretical analysis of the time dependent distribution of ionization in the low-latitude ionosphere is performed by using a realistic dynamic computer model of the equatorial F region, with special interest in the vertical motions of the electron density profile at the magnetic equator. The time dependence of the F2 peak height, at the magnetic equator, is governed primarily by the electromagnetic E x B plasma drift velocity. It is shown that, for special time periods during sunset and evening hours, when the height of the F layer is above a threshold of 300 km, the apparent vertical displacement velocity of the F layer, inferred from ionosonde measurements, is the same as the vertical E x B plasma drift velocity, as determined from incoherent backscatter radar measurements in the F region.

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