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Global emissions of trace metals to the atmosphere from natural sources Numbers under the columns are the range of estimates of the emissions in thousands of tonnes per year

Global emissions of trace metals to the atmosphere from natural sources Numbers under the columns are the range of estimates of the emissions in thousands of tonnes per year (map/graphic/illustration)

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Global emissions of trace metals to the atmosphere from natural sources Numbers under the columns are the range of estimates of the emissions in thousands of tonnes per year
Sources after: Nriagu, J.O., 1989. A global assessment of natural sources of atmospheric trace metals. Nature 338: 47-49. (AAR Figure 7.1)
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Designer 		Graphical production: Philippe Rekacewicz and Emmanuelle Bournay (GRID-Arendal)
Appears in AMAP Assessment Report: Arctic Pollution Issues
Published 1998
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