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Estimating the Impacts of Radiation Belt Electrons on Atmospheric Chemistry using FIREBIRD II and Van Allen Probes Observations

Abstract This study considers the impact of electron precipitation from Earth s radiation belts on atmospheric composition using observations from the NASA Van Allen Probes and NSF Focused Investigations of Relativistic Electron Burst Intensity, Range, and Dynamics (FIREBIRD II) CubeSats. Ratios of electron flux between the Van Allen Probes (in near-equatorial orbit in the radiation belts) and FIREBIRD II (in polar low Earth orbit) during spacecraft conjunctions (2015-2017) allow an estimate of precipitation into the atmosph ...

Duderstadt, K.; Huang, C.-L.; Spence, H.; Smith, S.; Blake, J.; Crew, A.; Johnson, A.; Klumpar, D.; Marsh, D.; Sample, J.; Shumko, M.; Vitt, F.;

YEAR: 2021     DOI:

electron precipitation; Radiation belts; ozone; Atmospheric Ionization; Van Allen Probes; FIREBIRD


Mesospheric ozone destruction by high-energy electron precipitation associated with pulsating aurora

Energetic particle precipitation into the upper atmosphere creates excess amounts of odd nitrogen and odd hydrogen. These destroy mesospheric and upper stratospheric ozone in catalytic reaction chains, either in situ at the altitude of the energy deposition or indirectly due to transport to other altitudes and latitudes. Recent statistical analysis of satellite data on mesospheric ozone reveals that the variations during energetic electron precipitation from Earth\textquoterights radiation belts can be tens of percent. Here ...

Turunen, Esa; Kero, Antti; Verronen, Pekka; Miyoshi, Yoshizumi; Oyama, Shin-Ichiro; Saito, Shinji;

YEAR: 2016     DOI: 10.1002/2016JD025015

EISCAT; electron precipitation; ion chemistry; mesosphere; ozone; pulsating aurora; Van Allen Probes