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Title: Effect of lightning on ionospheric temperature determined by SROSS-C2 satellite
Authors: Sharma, D K
Rai, Jagdish
Israil, M
Subrahmanyam, P
Chopra, P
Garg, S C
Issue Date: Apr-2003
Publisher: NISCAIR-CSIR, India
Abstract: The ionospheric temperature in relation with the thunderstorm activity has been studied. The data were obtained by the RPA pay load aboard Indian SROSS-C2 satellite, which has yielded valuable information on electron and ion temperatures (Tc and Ti) over low latitude locations in the altitude range 425-625 km. The data collected during solar minimum period from 1995 to 1996 have been analyzed for anomalous variations in topside plasma temperature (electron and ion temperature). The data on thunderstorm have been obtained from IMD. The Tc is found to increase by 1.2-2.7 times during the thunderstorm activity when compared with the normal days, while Ti increases by about 1.2-2.4 times for the same period. The enhancements in Tc and Ti have been attributed to the production of UHF-gamma radiations during a lightning sprite which propagates upward to the height of interest.
Page(s): 93-97
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.32(2) [April 2003]

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