A Scientific NO2 Product from SCIAMACHY: First Results and Validation

Details A Scientific NO2 Product from SCIAMACHY: First Results and Validation A Scientific NO2 Product from SCIAMACHY: First Results and Validation

Aug 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.562e..41r&link_type=abstract

Proceedings of the Second Workshop on the Atmospheric Chemistry Validation of ENVISAT (ACVE-2), 3-7 May 2004, ESA-ESRIN, Frascat

Computer Science

Scientific paper

A scientific NO2 retrieval developed at the University of Bremen was applied to all available SCIAMACHY nadir spectra from August 2002 to May 2004. The NO2 columns show the expected seasonal, latitudinal and regional variations and a good internal consistency. The precision of the individual measurements was assessed by analyzing the scatter of the results within certain areas and an excellent standard deviation of below 3x1014 molec cm-2 was found. Comparison of the SCIAMACHY columns with measurements from the German DOAS and FTS validation network shows very good agreement with the exception of high latitudes in summer, where a systematic underestimation is apparent and polluted sites, where the different sensitivity of the measurement systems to tropospheric absorptions plays a role

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