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Title: A model study of lower ionosphere during solar flare events and ionospheric absorption at Delhi
Authors: Srivastava, S
Nath, N
Setty, C S G K
Issue Date: Oct-1994
Publisher: NISCAIR-CSIR, India
Abstract: A model study of lower ionospheric composition during solar flare events on 4, 6 and 7 Feb. 1986 is made using a simplified and a detailed ion chemical scheme. Results show an enhancement in the electron density at 80 km by a factor of 5 or less than about 10 for moderate and strong flares, respectively. A decrease in the cut-off level of cluster ions and that in effective recombination coefficient are also noticed under flare conditions. A comparison between computed and observed absorption at 2.132 MHz measured at Delhi is also made.
Page(s): 347-358
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.23(5) [October 1994]

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