Long-term decrease of cadmium concentrations in the Canadian Arctic air

Details Long-term decrease of cadmium concentrations in the Canadian Arctic air Long-term decrease of cadmium concentrations in the Canadian Arctic air

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30e..60l&link_type=abstract

Geophysical Research Letters, Volume 30, Issue 5, pp. 60-1, CiteID 1256, DOI 10.1029/2002GL016723

Mathematics

Logic

Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801), Information Related To Geographic Region: Arctic Region, Geochemistry: Trace Elements (3670), History Of Geophysics: Atmospheric Sciences, Oceanography: Biological And Chemical: Pollution

Scientific paper

Average cadmium concentrations in the air (particulate samples) at two Canadian Arctic sites, Resolute (74.7°N, 95.0°W) and Coral Harbor (64.2°N, 83.3°W) declined from about 0.2 ng m-3 to about 0.05 ng m-3 between the early 1970s and 2000. Cadmium concentrations in the air at southern Canada sites were much higher (0.05-1.12 ng m-3) than those measured in the Arctic. The concentrations of cadmium measured at all sites decreased by a factor of three to seven between 1973 and 2000. This decrease correlates with the reduction in anthropogenic emissions from the production of non-ferrous metals following the introduction of emission control technologies.

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