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Monitoring of atmospheric ozone profile over Siberian Region using MODIS data

First results of operational retrieval of atmospheric ozone profile from the Moderate Resolution Imaging Spectroradiometer (MODIS) infrared radiances over Siberian Region are presented. Nearly identical copies of MODIS are operating onboard the Earth Observing System (EOS) Tena and Aqua satellites. MODIS images have been collected using EOScan receiving station located in Barnaul. The modified Product Generation Executable (PGE) 03 code, including synthetic regression retrieval algorithm, PGE 02 and the International MODIS/AIRS Processing Package (IMAPP) have been used to retrieve the vertical ozone distributions under clear-sky conditions. Evaluation of retrieved ozone profiles is performed by a comparison with retrievals from lidar observations, the Stratospheric Aerosol and Gas Experiment III (SAGE 111)/Meteor-3M and the Atmospheric Infrared Sounder (AIRS)/Aqua sensors. We demonstrate, that the MODIS mixing ozone ratio (in ppmv) and additionally measured temperature information will be useful tools in regional stratospheric ozone studies. The main role of MODIS will be the monitoring of the ozone trends in the stratosphere at the scale with 5 km x 5 km resolutions.