N. hemisphere stratospheric ozone, UARS, 11-1-92

N. hemisphere stratospheric ozone, UARS, 11-1-92

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This image is part of the feature Uars/ozone

Credit: NASA/SCIENCE PHOTO LIBRARY

Caption: Map of northern hemisphere and tropical distribution of stratospheric ozone for 11 January 1992. Concentrations are colour-coded from blue (lowest) to red (highest). This map shows a large loss of ozone over the tropics, coinciding roughly with the plume from the Mt. Pinatubo volcanic eruption of June 1991. This suggests that the sulphur compounds in the aerosols from the eruption act as catalysts for ozone depletion. The total amount of tropical ozone has been measured at 10% below normal levels, with depletion at 20km altitude reaching as much as 50%. The data for this image were gathered by the Upper Atmosphere Research Satellite (UARS).

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Keywords: atmosphere, earth science, earth's, effect, image, imagery, microwave limb sounder, mls, mount pinatubo, ozone, ozone depletion, pinatubo, sciences, tropical, uars, uars imagery, volcano

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