Computer Science – Performance
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsa41b1857s&link_type=abstract
American Geophysical Union, Fall Meeting 2011, abstract #SA41B-1857
Computer Science
Performance
[2400] Ionosphere, [2437] Ionosphere / Ionospheric Dynamics, [2441] Ionosphere / Ionospheric Storms
Scientific paper
The performance of Ionosphere/Thermosphere models during the 2006 AGU storm period is evaluated. We compared observations of several physical parameters with predictions made by up to 10 different models, which include empirical, physics based and data assimilation models. For this study, the physical parameters selected are electron density and neutral density at the CHAMP orbit, and NmF2 and hmF2 from LEO satellites such as CHAMP and COSMIC. In addition, Ne, Te, and Ti at about 300 km height from ISRs, TEC from GPS satellites in several longitude bins, and FPI data at about 250 km from Resolute Bay are compared with models' outputs. To quantify the performance of the models, skill scores are calculated using four different metrics. Furthermore, the skill scores are obtained for three latitude regions (low, middle and high latitudes) in order to investigate latitudinal dependence of the models' performance. This model validation study is supported by the Community Coordinated Modeling Center (CCMC) at the Goddard Space Flight Center. Model outputs and observational data used for the challenge will be permanently posted at the CCMC website (http://ccmc.gsfc.nasa.gov) as a resource for the space science communities to use.
Bilitza Dieter
Butala M. D.
Codrescu Mihail
Coster Anthea J.
Emery Barbara A.
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