Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5778
Title: Intercomparison of aerosol optical depth from brewer ozone spectrophotometers and CIMEL sunphotometers measurements
Authors: Cheymol, A
Gonzalez Sotelino, L
Lam, KS 
Kim, J
Fioletov, V
Siani, AM
De Backer, H
Keywords: Aerosol property
Comparative study
Correlation
Measurement method
Optical depth
Photometer
Ultraviolet B radiation
Issue Date: 29-Jan-2009
Publisher: Copernicus GmbH
Source: Atmospheric chemistry and physics, 29 Jan. 2009, v. 9, no. 2, p. 733-741 How to cite?
Journal: Atmospheric chemistry and physics 
Abstract: The Langley plot method applied on the Brewer Ozone measurements can provide accurate Aerosol Optical Depth (AOD) in the UV-B. We present seven intercomparisons between AOD retrieved from Brewer Ozone measurements at 320 nm and AOD measured by CIMEL sunphotometer at 340 nm or 440 nm (shifted to 320 nm in using the Angstr̈om's law), which are stored in the international AERONET database. Only the intercomparisons between co-located instruments can be used to validate the Langley Plot Method applied to the Brewer measurements: in this case, all the correlation coefficients are above 0.82. If the instruments are not at the same site, the correlation between the AOD retrieved by both instruments is much lower. In applying the Angstr̈om's law the intercomparison is improved compared to previous study.
URI: http://hdl.handle.net/10397/5778
ISSN: 1680-7316
EISSN: 1680-7324
DOI: 10.5194/acp-9-733-2009
Rights: © Author(s) 2009. This work is distributed under the Creative Commons Attribution 3.0 License.
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