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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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Volume 4, issue 3
Atmos. Meas. Tech., 4, 547–556, 2011
https://doi.org/10.5194/amt-4-547-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Atmospheric remote sensing using limb observations

Atmos. Meas. Tech., 4, 547–556, 2011
https://doi.org/10.5194/amt-4-547-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 16 Mar 2011

Research article | 16 Mar 2011

SCIAMACHY stratospheric aerosol extinction profile retrieval using the OMPS/LP algorithm

G. Taha1, D. F. Rault2, R. P. Loughman3, A. E. Bourassa4, and C. von Savigny5 G. Taha et al.
  • 1Science Systems and Applications Inc. Lanham, MD, USA
  • 2NASA Langley Research Center, Hampton, VA, USA
  • 3Center for Atmospheric Sciences, Hampton University, Hampton, VA, USA
  • 4Department of Physics and Engineering Physics, University of Saskatchewan, Saskatoon, Canada
  • 5Institute of Environmental Physics, University of Bremen, Bremen, Germany

Abstract. The Ozone Mapper and Profiler Suite, Limp Profiler (OMPS/LP) algorithm is used to retrieve ozone concentration and aerosol extinction profiles using a series of 120 SCIAMACHY limb measurements collocated with SAGE II solar occultation events. The primary goal of the study is to ascertain the capability of the OMPS/LP retrieval algorithm to accurately retrieve the vertical distribution of stratospheric aerosol extinction coefficient so as to better account for aerosol effects in the ozone profiling retrieval process. Using simulated radiances, we show that the aerosol extinction coefficient can be retrieved from limb scatter measurements within 5% and a standard deviation better than 15%, which is more than sufficient to improve the OMPS/LP ozone products to be used as Environmental Data Records. We also illustrate the ability of SCIAMACHY limb measurements to retrieve stratospheric aerosol extinction profiles with accuracy comparable to other instruments. The retrieved aerosol extinction profiles agree with collocated SAGE II measurements on average to within 25%, with a standard deviation of 35%.

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