A comparison of semi-empirical models in the lower thermosphere |
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Authors: | KGH Schuchardt PW Blum M Roemer W Kurtsiefer |
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Institution: | Institut für Astrophysik und Extraterrestrische Forschung, Universität Bonn, Auf dem Hügel 71, D-5300 Bonn, FRG |
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Abstract: | Semi-empirical models are derived predominantly from satellite-borne observations. The nature of these observations restricts the applicability of the models mainly to the atmospheric regions sampled, i.e. the upper thermosphere. Current models are only capable of reproducing a zero-order approximation of the structure of the lower thermosphere. Based on selected examples, the progress in atmospheric research since CIRA-72 as well as the continuing deficiencies are demonstrated. |
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