Development of single and multi-parameter global auroral models

Details Development of single and multi-parameter global auroral models Development of single and multi-parameter global auroral models

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsa53a1364z&link_type=abstract

American Geophysical Union, Fall Meeting 2006, abstract #SA53A-1364

Physics

0310 Airglow And Aurora, 2407 Auroral Ionosphere (2704), 2455 Particle Precipitation, 2704 Auroral Phenomena (2407)

Scientific paper

Accurate specification of global auroral distributions of electron energy flux and mean energy under different solar wind and magnetic activity conditions is very important for space weather studies and global ionosphere/thermosphere simulations. The large database of global FUV auroral data from TIMED/GUVI allow us to develop statistically significant global auroral models depending on either single or multiple parameter fits, such as to Kp, Dst, AE indices and drivers in the solar wind (IMF Bz, solar wind electric field). A function fitting technique is used in the model development. While a single parameter can give a general description of auroral activity, capturing the dependence or sensitivity to a set of parameters is expected to provide more accurate information on the auroral activity. We will discuss whether the multi-parameter model improves the single-parameter models.

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