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Title: Interplanetary Magnetic Field Effects in the E-region Drifts at Low Latitudes
Authors: Vyas, G D
Chandra, H
Rastogi, R G
Issue Date: Oct-1981
Publisher: NISCAIR-CSIR, India
Abstract: Interplanetary magnetic field(IMF) effects in the horizontal drift velocities of the ionization irregularities in ionospheric Eand F-regions are presented. The drift measurements were made at an equatorial station Tiruchirapalli (dip 4.8°N) since Oct. 1972 and an extensive series of E- and F-region drift measurements was conducted during the period 1973-75. IMF data obtained from Explorer 50 and HEOS-2 satellites and published by National Space Science Data Center are used in the present study. Midday drift velocities in the E- as well as in F-region are examined with the corresponding northward (Bz) and eastward (By) components of IMF. Linear relations are noted for E- and F-region drift velocities with both Bz and By. These results support the view that the solar plasma interacting with the IMF would impose an electric field in the equatorial ionosphere and cause changes in the resultant electric field.
Page(s): 206-208
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.10(5) [October 1981]

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