Comparing OpenGGCM event simulations to observed ionospheric electrodynamics.

Details Comparing OpenGGCM event simulations to observed ionospheric electrodynamics. Comparing OpenGGCM event simulations to observed ionospheric electrodynamics.

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsm21b0259l&link_type=abstract

American Geophysical Union, Fall Meeting 2006, abstract #SM21B-0259

Physics

7827 Kinetic And Mhd Theory, 7899 General Or Miscellaneous, 7959 Models

Scientific paper

We will compare the electrodynamic quantities simulated with the Open Geospace General Circulation Model (OpenGGCM) with observations from DMSP, ground based magnetometers, and notably the Iridium constellation of satellites. We will show that field aligned currents (Iridium), cross polar cap potentials, and height integrated conductances (satellite based imaging) can be successfully simulated on the dayside with global MHD. Three specific events will be examined; 4 August, 2001 13:00-15:00 UT, 31 August, 2001 04:45- 06:45 UT, and 18 November, 2002 15:15-17:15 UT. These three events were selected for maximal observational coverage and steady IMF driving conditions (Bz~By~ -4nT) and correspond to northern solstice, equinox, and southern solstice-like conditions.

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