Solar particle precipitation into the polar atmosphere and their dependence on hemisphere and local time

DC FieldValueLanguage
dc.contributor.authorBornebusch, J. P.
dc.contributor.authorWissing, J. M.
dc.contributor.authorKallenrode, M. -B.
dc.date.accessioned2021-12-23T16:02:41Z-
dc.date.available2021-12-23T16:02:41Z-
dc.date.issued2010
dc.identifier.issn02731177
dc.identifier.urihttps://osnascholar.ub.uni-osnabrueck.de/handle/unios/5553-
dc.description.abstractThe precipitation of solar energetic particles, protons as well as electrons, at high latitudes is commonly assumed to be homogeneous across both polar caps. Using Low-Earth Orbit POES (Polar Orbiting Environmental Satellites) we determine particle penetration ratios into the polar atmosphere for protons ranging from about 0.1 MeV to 500 MeV and for electrons spanning about one order of magnitude in energy with a maximum of 0.3 MeV. Based on power law fits for the POES spectrum we show, that for energies interesting for middle and lower atmosphere chemistry, particle flux over the poles is comparable in magnitude to flux at the geostationary orbit or at L1 in interplanetary space. The time period under study are the solar energetic particle (SEP) event series of October/November 2003 and January 2005. (C) 2009 COSPAR. Published by Elsevier Ltd. All rights reserved.
dc.description.sponsorshipDeutsche ForschungsgesellschaftGerman Research Foundation (DFG) [DFG Ka 1297/2-3, DFG Ka 1297/7-1]; Thanks to ACE EPAM, GOES & POES SEM2 and IMP CPME instrument teams as well as the corresponding data and science centers for providing data. Also thanks to Friedhelm Steinhilber for valuable help. This work was supported by the Deutsche Forschungsgesellschaft under contract DFG Ka 1297/2-3 & Ka 1297/7-1.
dc.language.isoen
dc.publisherELSEVIER SCI LTD
dc.relation.ispartofADVANCES IN SPACE RESEARCH
dc.subjectAstronomy & Astrophysics
dc.subjectEngineering
dc.subjectEngineering, Aerospace
dc.subjectGeology
dc.subjectGeosciences, Multidisciplinary
dc.subjectMeteorology & Atmospheric Sciences
dc.subjectPolar caps
dc.subjectPROTON EVENTS
dc.subjectSolar particle precipitation
dc.titleSolar particle precipitation into the polar atmosphere and their dependence on hemisphere and local time
dc.typejournal article
dc.identifier.doi10.1016/j.asr.2009.11.008
dc.identifier.isiISI:000275561200004
dc.description.volume45
dc.description.issue5
dc.description.startpage632
dc.description.endpage637
dc.identifier.eissn18791948
dc.publisher.placeTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
dcterms.isPartOf.abbreviationAdv. Space Res.
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