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Title: Sporadic-E Formation due to Neutral Winds in the Equatorial Ionosphere
Authors: Dahiya, Rati
Verma, Pratibha
Setty, C. S. G. K.
Issue Date: Mar-1975
Publisher: NISCAIR-CSIR, India
Abstract: The ionization redistribution favoring the formation of thin Es layers due to neutral wind-shears has been investigated. The equations of motion for electrons and ions have been solved for the vertical velocity of ionization, taking imo account the effect of the neutral wind velocity through the term containing the effective collision frequency. For simplicity, both electrons and ions have been assumed to be moving with the same velocity. The neutral wind velocity in the east-west direction has been assumed to be a sinusoidal function of the venical height, where the wavelengths have been chosen empirically. Using the above velocity profile for ionization, the continuity equation has been solved numerically using various input parameters such as the effective recombination coefficient, intensity of the electric field, and amplitude of the vertical velocity of ionization. It has, thus, been possible to generate theoretical models showing thin intense Es layers and models of vertical velocity profiles which can be compared favourably with those available from experimental results
Page(s): 69-76
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.04(1) [March 1975]

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