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Atmos. Chem. Phys. Discuss., 4, 7513-7540, 2004
www.atmos-chem-phys-discuss.net/4/7513/2004/
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Validation of SCIAMACHY tropospheric NO2-columns with AMAXDOAS measurements

K.-P. Heue1, A. Richter2, T. Wagner1, M. Bruns2, J. P. Burrows2, C. v. Friedeburg1, W. D. Lee1, U. Platt1, I. Pundt1, and P. Wang2
1Institut für Umweltphysik, Universität Heidelberg, INF 229, 69120 Heidelberg, Germany
2Institute of Environmental Physics, University of Bremen, P.O. 330440, 28334 Bremen, Germany

Abstract. Vertical and slant tropospheric NO2-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 12.8 and 27.2*1015 molec/cm2 over the Po-Valley where SCIAMACHY data resulted in 14.4 to 27.5*1015 molec/cm2. Over less polluted areas a similarly good agreement was found. The overall correlation between the two datasets results in a slope of the linear fit of 0.89. The slight differences observed might be attributed to the different spatial resolution and the temporal mismatch between the measurements over the Po-Valley.

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Citation: Heue, K.-P., Richter, A., Wagner, T., Bruns, M., Burrows, J. P., v. Friedeburg, C., Lee, W. D., Platt, U., Pundt, I., and Wang, P.: Validation of SCIAMACHY tropospheric NO2-columns with AMAXDOAS measurements, Atmos. Chem. Phys. Discuss., 4, 7513-7540, 2004.   Bibtex   EndNote   Reference Manager

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