Day-to-Day Variability of the Ionosphere: Comparisons of Model Results and Data for a Full Year

Details Day-to-Day Variability of the Ionosphere: Comparisons of Model Results and Data for a Full Year Day-to-Day Variability of the Ionosphere: Comparisons of Model Results and Data for a Full Year

May 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agusmsa34a..06m&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #SA34A-06

Physics

7536 Solar Activity Cycle (2162), 1610 Atmosphere (0315, 0325), 2427 Ionosphere/Atmosphere Interactions (0335), 2447 Modeling And Forecasting, 2479 Solar Radiation And Cosmic Ray Effects

Scientific paper

The TIME-GCM at NCAR has recently been run for each day of 2002 using a series of modeling scenarios that involve traditional coupling from above (solar and geomagnetic forcings) in conjunction with (and without) coupling from below via the NCEP formulation. We compare model output for the F-layer and the E-layer with data from several ionosonde stations worldwide to assess how simulations capture true daily variability at locations ranging from sub-auroral to lower midlatitudes. We find that stations in the southern hemisphere (Port Stanley and Hobart) offer the strongest challenges to the model for F-layer patterns. We are particularly interested in the variabilities produced in the model on geomagnetically quiet days when coupling from below might be expected to be most prominent.

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