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DEMETER satellite observations of lightning-induced electron precipitation

Abstract : DEMETER spacecraft detects short bursts of lightninginduced electron precipitation (LEP) simultaneously with newly-injected upgoing whistlers, and sometimes also with once-reflected (from conjugate hemisphere) whistlers. For the first time causative lightning discharges are definitively geo-located for some LEP bursts aboard a satellite. The LEP bursts occur within <1 s of the causative lightning and consist of 100-300 keV electrons. First in-situ observations of large regions of enhanced background precipitation are presented. The regions are apparently produced and maintained by high rate of lightning within a localized thunderstorm.
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Submitted on : Thursday, December 3, 2020 - 9:52:45 AM
Last modification on : Wednesday, November 16, 2022 - 11:46:08 AM
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U. S Inan, D. Piddyachiy, W. B Peter, J. A Sauvaud, Michel Parrot. DEMETER satellite observations of lightning-induced electron precipitation. Geophysical Research Letters, 2007, 34 (7), ⟨10.1029/2006GL029238⟩. ⟨insu-03037421⟩



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