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SCIMACHY aerosol extinction profile retrieval

Ghassan Taha(1), Didier Rault(2), Robert Loughman(3) and Adam Bourassa(4)

(1) Science Systems and Applications, Inc., 10210 Greenbelt Road, Ste. 500, Lanham, 20706, MD, United States
(2) NASA Langley Research Center, , Hampton, 23681, VA, United States
(3) Hampton University, , Hampton, 23668, VA, United States
(4) University of Saskatchewan, , Saskatoon, SK S7N 5E2, Canada


Stratospheric measurements of aerosol extinction profiles and size distribution properties are key input to modeling of climate change as well as chemical and dynamic process related to ozone destruction in the stratosphere. SAGE III and OSIRIS measurements of the limb scatter successfully retrieved aerosol extinction profiles and size parameter. It also shown that good estimate of the aerosol profiles is critical for accurate measurements of ozone and other species in the lower stratosphere/upper troposphere. In this paper we plan to show results of first aerosol extinction profile retrieved from SCIAMACHY limb scattering measurements and its effect on ozone profile retrieval. Retrieval results are compared with collocated SAGE II aerosol measurements. The main objective of this work is to demonstrate the capability of SCIAMACHY to retrieve aerosol extinction profiles and to test, debug, and optimize the retrieval algorithm of the Ozone Mapping and Profiler Suite (OMPS) Limb Profiler (LP), which will fly on board the National Polar Orbiting Operational Environment Satellite System (NPOESS) Preparatory Project (NPP) satellite to be launched in 2010.