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Titel |
Characterization of model errors in the calculation of tangent heights for atmospheric infrared limb measurements |
VerfasserIn |
M. Ridolfi, L. Sgheri |
Medientyp |
Artikel
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Sprache |
Englisch
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ISSN |
1867-1381
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Digitales Dokument |
URL |
Erschienen |
In: Atmospheric Measurement Techniques ; 7, no. 12 ; Nr. 7, no. 12 (2014-12-03), S.4117-4122 |
Datensatznummer |
250115974
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Publikation (Nr.) |
copernicus.org/amt-7-4117-2014.pdf |
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Zusammenfassung |
We review the main factors driving the calculation of the tangent height of spaceborne limb
measurements: the ray-tracing method, the refractive index model and the assumed atmosphere. We
find that commonly used ray tracing and refraction models are very accurate, at least in the
mid-infrared. The factor with largest effect in the tangent height calculation is the assumed
atmosphere. Using a climatological model in place of the real atmosphere may cause tangent height
errors up to ± 200 m. Depending on the adopted retrieval scheme, these errors may have
a significant impact on the derived profiles. |
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