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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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Volume 5, issue 4
Atmos. Chem. Phys., 5, 1039–1051, 2005
https://doi.org/10.5194/acp-5-1039-2005
© Author(s) 2005. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

Special issue: Probing the atmosphere in three dimensions for SCIAMACHY

Atmos. Chem. Phys., 5, 1039–1051, 2005
https://doi.org/10.5194/acp-5-1039-2005
© Author(s) 2005. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

  29 Mar 2005

29 Mar 2005

Validation of SCIAMACHY tropospheric NO2-columns with AMAXDOAS measurements

K.-P. Heue1, A. Richter2, M. Bruns2, J. P. Burrows2, C. v. Friedeburg1, U. Platt1, I. Pundt1, P. Wang2, and T. Wagner1 K.-P. Heue et al.
  • 1Institut für Umweltphysik, Universität Heidelberg, INF 229, 69120 Heidelberg, Germany
  • 2Institute of Environmental Physics, University of Bremen, P.O. 330440, 28334 Bremen, Germany

Abstract. Tropospheric NO2 vertical and slant columns from the new satellite instrument SCIAMACHY on ENVISAT are validated by measurements of the Airborne Multi AXis DOAS (AMAXDOAS) instrument on board the DLR Falcon. The results presented here were obtained in February 2003 on a flight over the Alps, the Po-Valley and the Mediterranean. The tropospheric vertical column measured by AMAXDOAS varied between 16.2 and 35.2*1015molec/cm2 over the Po-Valley where SCIAMACHY data resulted in 19.9 to 37*1015molec/cm2. Over less polluted areas a similarly good agreement was found. The linear correlation between the two datasets results in a slope of 0.93. The slight differences observed can be attributed to the different spatial resolution and the temporal mismatch between the measurements over the Po-Valley.

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