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Title: Quiet & Stormtime Production & Loss Rates: Smith's Technique
Authors: Chauhan, N S
Gurm, H S
Issue Date: Feb-1985
Publisher: NISCAIR-CSIR, India
Abstract: The monthly values of production and loss rate have been inferred by fitting the computed and observed total electron contents (TEC) from A TS-6 transmissions at six closely spaced low-latitude stations. A sunrise model of the low-latitude ionosphere is constructed by solving the plasma continuity equation. Comparison between the computed and the observed values of TEC yields the best fit average production rate of atomic oxygen at sunrise as 1.26 x 1013m-2sec-1 and average loss coefficient at 300km as 1.13 x 10-5-sec-1. The production rates for all the stations show semi-annual variations with maxima in equinoxes and minima in solstices. Latitudinally, it exhibits an increasing trend in its values towards the equator. The summer-to-winter ratio in loss coefficient is 1:2 at Patiala and it diminishes towards the equator. The stormtime production rate is found to exceed the quiettime value.
Page(s): 13-16
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.14(1) [February 1985]

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