Other
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1421l&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1421
Other
Scientific paper
electron data for dayside photoelectron observations over regions of strong crustal fields revealed an unusual bimodal solar flux dependence. The upper population in the scatter plot was associated with the timing of a large global dust storm in late 2001. However, many other short-lived spikes in the electron fluxes are seen in the time series, perhaps also associated with lower-atmospheric dust storms. A systematic study parameterizing the photoelectron flux intensities against a solar flux proxy and MGSobserved atmospheric dust opacity was conducted. Instantaneous dust opacities were used as well as time-history averages and maximal values. The result is a functional form for the photoelectron fluxes against these parameters. The inclusion of dust in the function significantly enhances the linear correlation coefficient and explains the bimodal distribution in the electron fluxes. While the best relationship was obtained with time-history dust opacity variables included in the function, this was only a marginal improvement over using only the instantaneous values.
Bougher Stephen W.
Dupre A.
Liemohn Michael W.
Mitchell David Leroy
Smith Marcie
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