Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ihy..worke.108f&link_type=abstract
2nd UN/NASA Workshop on International Heliophysical Year and Basic Space Science. Proceedings of the conference held 27 Novembe
Astronomy and Astrophysics
Astrophysics
Scientific paper
We present the first results of an incipient attempt to re-model the Van Allen electron radiation belts equilibrium mechanisms. During the 23rd cycle solar minimum period (1995-1997) the Lightning- induced Electron Precipitation (LEP) events (electron precipitation from the geo-space to the upper Earth atmosphere) occurrence at the Antarctica Peninsula region was collected and studied. With statistical techniques we have reproduced the pattern of the events incidence during that period. The year 1998 was also analyzed and two well-defined geomagnetic storms (01-07 May and 26-31 Aug) were studied in association with the Trimpi events data. We have confirmed the narrow relationship between events occurrence rate and geomagnetic activity. The next step, in order to carry on the model, will be the modeling of the solar maximum LEP occurrence and to compute these results in the present radiation belts population models.
Correia Emilia
Fernandez José Henrique
Marques Brum Christiano Garnett
Raulin Jean Pierre
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