Solar occultation with SCIAMACHY: algorithm description and first validation
Item
Title (Dublin Core)
Solar occultation with SCIAMACHY: algorithm description and first validation
Description (Dublin Core)
This presentation concentrates on solar occultation measurements with the spaceborne spectrometer SCIAMACHY in the UV-Vis wavelength range. Solar occultation measurements provide unique information about the vertical distribution of atmospheric constituents. For retrieval of vertical trace gas concentration profiles, an algorithm has been developed based on the optimal estimation method. The forward model is capable of simulating the extinction signals of different species as they occur in atmospheric transmission spectra obtained from occultation measurements. Furthermore, correction algorithms have been implemented to address shortcomings of the tangent height pre-processing and inhomogeneities of measured solar spectra. First results of O<sub>3</sub> and NO<sub>2</sub> vertical profile retrievals have been validated with data from ozone sondes and satellite based occultation instruments. The validation shows very promising results for SCIAMACHY O<sub>3</sub> and NO<sub>2</sub> values between 15 to 35km with errors of the order of 10% and 15%, respectively.
Creator (Dublin Core)
Meyer, J.
Bracher, A.
Rozanov, A.
Schlesier, A. C.
Bovensmann, H.
Burrows, J. P.
Date (Dublin Core)
2018-06-28
Type (Dublin Core)
Text
Format (Dublin Core)
application/pdf
Identifier (Dublin Core)
10.5194/acp-5-1589-2005
https://acp.copernicus.org/articles/5/1589/2005/
Source (Dublin Core)
eISSN: 1680-7324
Language (Dublin Core)
eng
