Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 33, issue 3
Articles | Volume 33, issue 3
https://doi.org/10.5194/angeo-33-381-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/angeo-33-381-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 33, issue 3
Regular paper
 | 
23 Mar 2015
Regular paper |  | 23 Mar 2015

Contribution of proton and electron precipitation to the observed electron concentration in October–November 2003 and September 2005

P. T. Verronen, M. E. Andersson, A. Kero, C.-F. Enell, J. M. Wissing, E. R. Talaat, K. Kauristie, M. Palmroth, T. E. Sarris, and E. Armandillo

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Short summary
Electron concentrations observed by EISCAT radars can be reasonable well represented using AIMOS v1.2 satellite-data-based ionization model and SIC D-region ion chemistry model. SIC-EISCAT difference varies from event to event, probably because the statistical nature of AIMOS ionization is not capturing all the spatio-temporal fine structure of electron precipitation. Below 90km, AIMOS overestimates electron ionization because of proton contamination of the satellite electron detectors.
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