Statistics – Computation
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsa51a1553d&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #SA51A-1553
Statistics
Computation
2400 Ionosphere (6929), 2403 Active Experiments, 2437 Ionospheric Dynamics, 2447 Modeling And Forecasting, 2481 Topside Ionosphere
Scientific paper
The DoD Global Assimilation of Ionospheric Measurements (GAIM) model for ionospheric specification and prediction went operational in at the Air Force Weather Agency (AFWA) in December 2006. The current operational version of GAIM uses a physics-based model of the ionosphere and a Kalman filter as a basis for assimilating a diverse set of measurements in near real time. The physics-based model is the Ionosphere Forecast Model (IFM), which is global and covers the E-region, F-region, and topside from 90 km to 1400 km and includes the five ions NO+, O2+, N2+, O+, and H+. The operational model originally ingested data from DISS Ionosondes, ground-based GPS, and in-situ electron density measurements from the Defense Meteorological Satellites Program (DMSP) satellites. During the last two years, GAIM has been upgraded to ingest a variety of data types from the Special Sensor Ultraviolet Limb Imager (SSULI) and Special Sensor Ultraviolet Spectrographic Imager (SSUSI) ultraviolet sensors on the DMSP satellites. A variety of additional improvements to GAIM are planned over the next five years, including the use of new space weather data products, improved model resolution and computational performance, and improved physics modeling of the upper atmosphere. An overview of the current status and future plans for the project will be presented, along with an overview of what the many researchers and software engineers have accomplished since the program started as a DoD Multidisciplinary University Research Initiative (MURI) in 1999.
Coker Clayton
Dandenault P.
Reich Jens
Scherliess Ludger
Schunk B.
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