Statistics – Computation
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21715506a&link_type=abstract
American Astronomical Society, AAS Meeting #217, #155.06; Bulletin of the American Astronomical Society, Vol. 43, 2011
Statistics
Computation
Scientific paper
The atmospheric effects of the 1859 solar flare known as the Carrington event have previously been studied by two different groups. In Thomas et al. 2007, the event was studied with a 2D atmospheric chemistry and dynamics model, using a proton fluence estimate derived from ice core records, and ionization scaled from the 1989 solar proton event. In Rodger et al. 2008, the Carrington event was studied using a 1D model, but with ionization calculated from a likely proton spectrum and time variation, based again on the 1989 event, as well as two other events. In this study we improve upon past work by combining the proton spectrum and time variation used in Rodger et al. 2008 with our 2D atmospheric model. This combination allows for a more accurate estimate of global, long-term atmospheric effects than either approach by itself. Here we report on our computation methods and results, including atmospheric ionization, production of odd nitrogen compounds and subsequent reduction in ozone. Finally, we compare these results to those of past studies.
Arkenberg Keith
Thomas Brian
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