Sighting of El Chich�n Sulfur Dioxide Clouds with the Nimbus 7 Total Ozone Mapping Spectrometer

  title={Sighting of El Chich�n Sulfur Dioxide Clouds with the Nimbus 7 Total Ozone Mapping Spectrometer},
  author={Arlin J. Krueger},
  pages={1377 - 1379}
  • A. Krueger
  • Published 24 June 1983
  • Environmental Science
  • Science
The eruptions of El Chich�n volcano on 28 March and 3 and 4 April 1982 were observed by the Nimbus 7 total ozone mapping spectrometer due to strong absorption by volcanic gases at the shortest wavelengths of the spectrometer (312.5 and 317.5 nanometers). These ultraviolet pictures permit a measurement of the volume, dispersion, and drift of volcanic gas clouds. The tropospheric clouds were rapidly dispersed in westerly winds while persistent stratospheric clouds drifted in easterly winds at… 

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Downsview, Ontario) at 312.5 nm, but are 25 percent higher at 317.5 nm. Cross-section data on CS2

  • The SO2 cross sections were Hoff
  • 1981

I thank the Landsat/Nimbus Project Office and the General Electric, Bendix, and Systems and Applied Sciences Companies for their assistance in providing real-time processing of TOMS data

  • J. A

All except SO2 and CS2 are transparent at TOMS wavelengths [H. Okabe

  • Photochemistry of Small Molecules
  • 1978