A global assessment of natural sources of atmospheric trace metals

Details A global assessment of natural sources of atmospheric trace metals A global assessment of natural sources of atmospheric trace metals

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989natur.338...47n&link_type=abstract

Nature (ISSN 0028-0836), vol. 338, March 2, 1989, p. 47-49.

Computer Science

97

Aerosols, Air Pollution, Atmospheric Composition, Man Environment Interactions, Metalloids, Trace Contaminants, Arsenic, Cadmium, Mercury (Metal), Molybdenum, Organic Compounds, Selenium

Scientific paper

A proper inventory of atmospheric emissions from natural sources is basic to understanding the atmospheric cycle of trace metals and metalloids and is also needed for assessing the extent of regional and global pollution by toxic metals. It is estimated here that biogenic sources can account for 30-50 percent of the global baseline emission of trace metals. For most of the toxic metals, the natural fluxes are small compared with emissions from industrial activities, implying that mankind has become the key agent in the global atmospheric cycle of trace metals and metalloids.

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