US-TEC: A new Data Assimilation Product from the Space Environment Center Characterizing the Ionospheric Total Electron Content

Details US-TEC: A new Data Assimilation Product from the Space Environment Center Characterizing the Ionospheric Total Electron Content US-TEC: A new Data Assimilation Product from the Space Environment Center Characterizing the Ionospheric Total Electron Content

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufmsa43b..08f&link_type=abstract

American Geophysical Union, Fall Meeting 2004, abstract #SA43B-08

Mathematics

Logic

6934 Ionospheric Propagation (2487), 2435 Ionospheric Disturbances, 2437 Ionospheric Dynamics, 2443 Midlatitude Ionosphere, 2447 Modeling And Forecasting

Scientific paper

The potential of data assimilation for operational numerical weather forecasting has been appreciated for many years. For space weather it is a new path that we are just beginning to explore. With the emergence of satellite constellations and the networks of ground based observations, sufficient data sources are now available to make the application of data assimilation techniques a viable option. The first ionospheric space weather product to be launched by SEC utilizing data assimilation techniques will be available in the fall of this year. The product, US-TEC, characterizes the ionospheric total electron content. Extensive validation has quantified the differential and absolute accuracy of the product, which shows great promise for application to GPS users. This is the first step along a path that will likely lead to major improvement in space weather forecasting, paralleling the advances achieved in meteorological weather forecasting.

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