Physics
Scientific paper
May 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agusmsa23b..05z&link_type=abstract
American Geophysical Union, Fall Meeting 2007, abstract #SA23B-05
Physics
2704 Auroral Phenomena (2407)
Scientific paper
In this paper we will present our work to date and future plans for an empirical model of the key auroral parameters. The Global Ultraviolet Imager on the NASA TIMED mission allows us to sample about 6 hours in magnetic local time (MLT) on most of orbits. The center MLT varies by about 12 hours over 60 days. We often pick up both day and nightside periods. In addition we map the southern auroral oval to a much greater extent than is possible by in situ observations from sun-synchronous orbit (i.e. DMSP and POES). We will present our modle of the average energy, (), flux, deduced height of the auroral contribution of the peak in the E- region (HmE), the peak density that arises from the auroral precipitation (NmE) as well as the integrated Hall and Pedersen conductances. We are currently developing a measure of the hemispheric power. The GUVI hemispheric power index is based on the extent of the equatorward extent of the auroral oval. GUVI gets a very good measure of this boundary location (often we see 1000's of km of the boundary).
Paxton Larry J.
Zhang Yajing
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