Physics
Scientific paper
Jan 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978jgr....83...25b&link_type=abstract
Journal of Geophysical Research, vol. 83, Jan. 1, 1978, p. 25-29. Research supported by the Council of Scientific and Industria
Physics
E Region, Ionospheric Drift, Ionospheric Electron Density, Ionospheric Propagation, Vertical Distribution, Altitude, Shear Layers, Vertical Air Currents
Scientific paper
An attempt has been made to explain the departure of the observed hourly variation of phase height of E region reflections at 2.2 MHz from that expected of a simple undisturbed Chapman layer as the effect of vertical electromagnetic drift. Calculations show that a peak drift velocity ranging between the extreme limits 50.0 and 2.5 m/s located about 2 km below the electron density peak may account for the observed departure. Considering some related observational data it is suggested that the vertical drift velocity would be around 10-20 m/s, which is consistent with a value of alpha in the vicinity of 2-8 x 10 to the -8th cu cm/s.
Bhar J. N.
Purkait N. N.
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