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Evaluation of the use of five laboratory-determined ozone absorption cross sections in Brewer and Dobson retrieval algorithms [Discussion paper]
Título : Evaluation of the use of five laboratory-determined ozone absorption cross sections in Brewer and Dobson retrieval algorithms [Discussion paper]
Autor : Redondas, Alberto; Evans, R.; Stuebi, R.; Köhler, Ulf; Weber, Mark
Palabras clave : Columna de ozono; Espectrofotómetros; Total column ozone; Spectrophotometers
Fecha de publicación : 2013
Editor: European Geosciences Union
Citación : Atmospheric Chemistry and Physics Discussions. 2013, 13, p. 22979–23021
Versión del editor: http://dx.doi.org/10.5194/acpd-13-22979-2013
Resumen : The primary ground-based instruments used to report total column ozone (TOC) are Brewer and Dobson spectrophotometers in separate networks. These instruments make measurements of the UV irradiances, and through a well-defined process, a TOC value is produced. Inherent to the algorithm is the use of a laboratory-determined cross-section data set. We used five ozone cross-section data sets: three data sets that are based on measurements of Bass and Paur; one derived from Daumont, Brion and Malicet (DBM); and a new set determined by Institute of Experimental Physics (IUP), University of Bremen. The three Bass and Paur (1985) sets are as follows: quadratic temperature coefficients from the IGACO (a glossary is provided in Appendix A) web page (IGQ4), the Brewer network operational calibration set (BOp), and the set used by Bernhard et al. (2005) in the reanalysis of the Dobson absorption coefficient values (B05). The ozone absorption coefficients for Brewer and Dobson instruments are then calculated using the normal Brewer operative method, which is essentially the same as that used for Dobson instruments.
Patrocinador: This study and the campaigns were supported to a great extent by the ESA project “CEOS Intercalibration of Ground-based Spectrometers and Lidars” (ESRIN contract 22202/09/I-EC).
URI : http://hdl.handle.net/20.500.11765/6560
ISSN : 1680-7367
1680-7375
Colecciones: Artículos científicos 2010-2014


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