Use of satellite data to determine the distribution of ozone in the troposphere

Jack Fishman; Catherine E. Watson; Vincent G. Brackett; Khan Fakhruzzaman; Robert E. Veiga

doi:10.1117/12.46676

1 September 1991 Use of satellite data to determine the distribution of ozone in the troposphere

Jack Fishman, Catherine E. Watson, Vincent G. Brackett, Khan Fakhruzzaman, Robert E. Veiga

Proceedings Volume 1491, Remote Sensing of Atmospheric Chemistry; (1991) https://doi.org/10.1117/12.46676
Event: Orlando '91, 1991, Orlando, FL, United States

Abstract

Measurements from two independent satellite data sets have been used to derive the climatology of the integrated amount of ozone in the troposphere. These data have led to the finding that large amounts of ozone pollution are generated by anthropogenic activity originating from both the industrialized regions of the Northern Hemisphere, and from the southern tropical regions of Africa. To verify the existence of this ozone anomaly at low latitudes, an ozonesonde capability has been established at Ascension Island (8 degree(s)S, 15 degree(s)W), since July, 1990. According to the satellite analyses, Ascension Island is located downwind of the primary source region of this ozone pollution, which likely results from the photochemical oxidation of emissions emanating from the widespread burning of savannas and other biomass. These in situ measurements confirm the existence of large amounts of ozone in the lower atmosphere. A summary of these ozonesonde data to date is presented. In addition, some ozone profile measurements are presented from SAGE II which can be used to provide upper tropospheric ozone measurements directly in the tropical troposphere. A preliminary comparison between the satellite observations and the ozonesonde profiles in the upper troposphere and lower stratosphere also are presented.

Citation Download Citation

Jack Fishman, Catherine E. Watson, Vincent G. Brackett, Khan Fakhruzzaman, and Robert E. Veiga "Use of satellite data to determine the distribution of ozone in the troposphere", Proc. SPIE 1491, Remote Sensing of Atmospheric Chemistry, (1 September 1991); https://doi.org/10.1117/12.46676

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