Physics
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agusmsa41a..13j&link_type=abstract
American Geophysical Union, Spring Meeting 2002, abstract #SA41A-13
Physics
2415 Equatorial Ionosphere, 2437 Ionospheric Dynamics, 2443 Midlatitude Ionosphere, 2447 Modeling And Forecasting
Scientific paper
SAMI3 is a fully three-dimensional model of the low- to mid-latitude that has recently been developed at NRL. It is based on the two-dimensional model SAMI2 (Huba et al., 2000). SAMI3 uses a unique non-orthogonal gridding system and includes longitudinal transport. In this study we present simulation results from several benchmarking runs. We consider a latitudinal extent +/- 55o about the geomagnetic equator and a longitudinal resolution of 2o. We compare and contrast the impact of longitudinal drifts. We also present the capability of producing satellite sensor data: TEC and EUV measurements. These involve line-of-sight integrations of ionospheric densities. We have developed software to provide this data for arbitrary satellite paths and scan directions. As an example, we demonstrate reconstruction of the ionosphere using tomographic techniques based on TEC measurements from the SAMI3 model. \ Huba, J.D., G. Joyce, and J.A. Fedder, J. Geophys. Res. 105, 23,025 (2000). \ Research supported by ONR
Bernhardt Paul A.
Huba Joseph D.
Joyce Geoffrey
Selcher Craig
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