Characterization of model errors in the calculation of tangent heights for atmospheric infrared limb measurements
Authors: Ridolfi M., Sgheri L.
Autors Affiliation: Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy
CNR, Ist Fis Applicata Carrara, Florence, Italy
CNR, Ist Applicaz Calcolo, Florence, Italy
Abstract: 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.
Journal/Review: ATMOSPHERIC MEASUREMENT TECHNIQUES
Volume: 7 (12) Pages from: 4117 to: 4122
More Information: This study was supported by the ESA-ESRIN contract 21719/08/I-OL.KeyWords: MIPAS; AIRDOI: 10.5194/amt-7-4117-2014Citations: 1data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2022-01-23References taken from IsiWeb of Knowledge: (subscribers only)Connecting to view paper tab on IsiWeb: Click hereConnecting to view citations from IsiWeb: Click here