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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union

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Atmos. Meas. Tech., 10, 759-782, 2017
https://doi.org/10.5194/amt-10-759-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
07 Mar 2017
Structural uncertainty in air mass factor calculation for NO2 and HCHO satellite retrievals
Alba Lorente et al.
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Interactive discussionStatus: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version      Supplement - Supplement
 
RC1: 'Lorente et al.', Anonymous Referee #2, 11 Nov 2016 Printer-friendly Version 
AC1: 'Lorente et al; reply to Referee #2', Alba Lorente Delgado, 19 Jan 2017 Printer-friendly Version Supplement 
 
RC2: 'Reviewer comment', Anonymous Referee #1, 14 Nov 2016 Printer-friendly Version 
AC2: 'Lorente et al; reply to Referee #1', Alba Lorente Delgado, 19 Jan 2017 Printer-friendly Version Supplement 
CC BY 4.0
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Short summary
Choices and assumptions made to represent the state of the atmosphere introduce an uncertainty of 42 % in the air mass factor calculation in trace gas satellite retrievals in polluted regions. The AMF strongly depends on the choice of a priori trace gas profile, surface albedo data set and the correction method to account for clouds and aerosols. We call for well-designed validation exercises focusing on situations when AMF structural uncertainty has the highest impact on satellite retrievals.
Choices and assumptions made to represent the state of the atmosphere introduce an uncertainty...
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