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On the tropospheric measurements of ozone by the Stratospheric Aerosol and Gas Experiment II (SAGE II, version 6.1) in the tropics
University of Arizona, Institute of Atmospheric Physics, Tucson, AZ, USA
NASA Langley Research Center, Atmospheric Sciences Division, Hampton, VA, USA
NASA Langley Research Center, Atmospheric Sciences Division, Hampton, VA, USA
NASA Langley Research Center, Atmospheric Sciences Division, Hampton, VA, USA
Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, GA, USA
Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, GA, USA
Tropospheric measurements of ozone from SAGE II (version 6.1) in the tropics have been analyzed using 12 years of data (1985–1990, 1994–1999). The seasonally averaged vertical profiles of the ozone mixing ratio in the upper troposphere have been presented for the first time from satellite measurements. These profiles show qualitative similarities with corresponding seasonal mean ozonesonde profiles at northern and southern tropical stations and are about 40–50% less than the sonde values. Despite this systematic offset, the measurements appear to be consistent with a zonal wave one pattern in the upper tropospheric column ozone and with the recently predicted summertime ozone enhancement over the Middle East. These results thus affirm the usefulness of the occultation method in studying tropospheric ozone.
Published 27 December 2002.
Citation: (2002), On the tropospheric measurements of ozone by the Stratospheric Aerosol and Gas Experiment II (SAGE II, version 6.1) in the tropics, Geophys. Res. Lett., 29(24), 2208, doi:10.1029/2002GL016241.
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