Atmospheric Science Group

Arecibo, Puerto Rico

Atmospheric Science Group

Arecibo, Puerto Rico

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Eccles V.,Space Environment Corporation | Vo H.,Atmospheric Science Group | Thompson J.,Space Environment Corporation | Gonzalez S.,Atmospheric Science Group | Sojka J.J.,Space Environment Corporation
Space Weather | Year: 2011

We describe the reduction of the Arecibo Observatory incoherent scatter radar electron density profiles from 1966 to 2006 into a standardized database of electron density profiles useful for the assessment of ionospheric models. The database of electron density profiles covers approximately 700 days of observation over nearly 4 solar cycles and all seasons. These data are averaged into climatological conditions with special attention at maintaining a normal profile shape in altitude. The reduced profile database and the climatological average profiles are provided to the Community Coordinated Modeling Center for open access by the community and their efforts to generate ionosphere model metrics and skill scores. Copyright 2011 by the American Geophysical Union.


Eccles V.,Space Environment Corporation | Thompson J.,Space Environment Corporation | Sojka J.J.,Space Environment Corporation | Vo H.,Atmospheric Science Group | Gonzalez S.,Atmospheric Science Group
Space Weather | Year: 2011

Due to the paucity of ionospheric density observations, ionospheric models are important for constructing the day-to-day 3-D specifications of electron density. Quality specifications are required to mitigate ionospheric influences on modern GPS navigation and communications technologies. The Arecibo Radar Observatory Incoherent Scatter Radar has provided F region electron density profiles spanning 50 years and 4 solar cycles. We have collected, reduced, and cleaned the Arecibo radar electron density profiles to create a "ground truth database" for use in the metric assessment of the accuracy of empirical and physics-based ionospheric models. The metrics and skill assessments within this Assessment of Ionospheric Models package are described herein. The assessment package will be implemented at the Community Coordinated Modeling Center to provide a Web-based generator of metrics and skill scores based on several electron density profile parameters: peak density values, peak density altitudes, and the shape of the electron density profile with altitude. This Assessment of Ionospheric Models package will greatly assist in improving current models of the ionosphere. Copyright 2011 by the American Geophysical Union.

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