Estimation of Wet and Dry Deposition of Pollutant Sulfur in Eastern Canada as a Function of Major Source Regions

  • J. D. Shannon
  • E. C. Voldner


The contributions of major anthropogenic source regions to wet and dry deposition of total S in eastern Canada are estimated for a winter month and a summer month with the ASTRAP model. Results indicate that the U.S. and Canada contribute approximately equal amounts to total S deposition in Canada; Canadian sources contribute more than one half of dry deposition and less than one half of wet deposition.


Source Region Emission Factor Emission Inventory Trajectory Regional External Affair 
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  2. Homolya, J. B. and Cheney, J. L.: 1978, Workshop Proceedings on Primary Sulfate Emissions from the Combustion of Fossil Fuels’, Vol. 2, EPA–600/9–78–020b, U.S. Environmental Protection Agency, Research Triangle Park, NC, 1978, pp. 3 – 13.Google Scholar
  3. Shannon, J. D.: 1981, Atmos. Environ. 15, 689.CrossRefGoogle Scholar
  4. United States Department of State and Canadian Department of External Affairs: 1980, Memorandum of Intent on Transboundary Air Pollution’, (annex).Google Scholar

Copyright information

© D. Reidel Publishing Company, Dordrecht, Holland 1982

Authors and Affiliations

  • J. D. Shannon
    • 1
  • E. C. Voldner
    • 2
  1. 1.Radiological and Environmental Research DivisionArgonne National LaboratoryArgonneUSA
  2. 2.Atmospheric Dispersion DivisionAtmospheric Environment ServiceDownsviewCanada

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