A Collection of Synthetic TEC Comparisons with Data

Details A Collection of Synthetic TEC Comparisons with Data A Collection of Synthetic TEC Comparisons with Data

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsa41a1715f&link_type=abstract

American Geophysical Union, Fall Meeting 2010, abstract #SA41A-1715

Other

[2447] Ionosphere / Modeling And Forecasting, [7924] Space Weather / Forecasting, [7959] Space Weather / Models

Scientific paper

Ionospheric density changes can cause scintillation in Global Positioning System (GPS) signals, and interruption in satellite communication. Because of its importance in space weather, a wide variety of ionospheric modeling has been done. The ionosphere undergoes changes due to plasma transport, chemistry and impact ionization during geomagnetic storms motivating the creation of many physics-based and empirical models that can recreate the global vertical struc-ture of the ionosphere and its dynamics. Geomagnetic storms also generate changes in the plas-masphere and therefore impact the radiation belts and the ring current. This study compares a number of ionospheric and plasmaspheric models (listed in Table 1) by extracting or calculating synthetic TEC from each model. The model TEC values are compared to ground-based GPS TEC data and to each other. This comparison focuses on mid to low latitudes regions. This re-search provides information on the effects of the ionosphere and plasmasphere on TEC values, tests the accuracy of the models, and their strengths and weaknesses. Since the different models have a wide variety of altitude and latitude ranges, the different models generate disparate syn-thetic TEC.Ionosphere and Plasmasphere Models Table 1. List of ionospheric and plasmaspheric models used in comparison.

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