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Proceedings Paper

Use of satellite data to determine the distribution of ozone in the troposphere
Author(s): Jack Fishman; Catherine E. Watson; Vincent G. Brackett; Khan Fakhruzzaman; Robert E. Veiga
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Paper 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.

Paper Details

Date Published: 1 September 1991
PDF: 12 pages
Proc. SPIE 1491, Remote Sensing of Atmospheric Chemistry, (1 September 1991); doi: 10.1117/12.46676
Show Author Affiliations
Jack Fishman, NASA/Langley Research Ctr. (United States)
Catherine E. Watson, NASA/Langley Research Ctr. (United States)
Vincent G. Brackett, ST Systems Corp. (United States)
Khan Fakhruzzaman, ST Systems Corp. (United States)
Robert E. Veiga, ST Systems Corp. (United States)


Published in SPIE Proceedings Vol. 1491:
Remote Sensing of Atmospheric Chemistry
James L. McElroy; Robert J. McNeal, Editor(s)

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