Maps & Graphics
Comparison of global emissions of trace metals to the atmosphere from natural and anthropogenic sources in 1983 Numbers under the columns are the median values of estimates of total emissions in thousands of tonnes per year
Comparison of global emissions of trace metals to the atmosphere from natural and anthropogenic sources in 1983 Numbers under the columns are the median values of estimates of total emissions in thousands of tonnes per year
Published: 2007-11-20
Sources: Title (cont.) The percentages shown by the bars are calculated from the median values of the ranges of the estimates for natural and anthropogenic sources. (AAR Figure 7.3)
Region: global
Edited_by: [email protected]
Cartographer / Designer: Graphical production: Philippe Rekacewicz and Emmanuelle Bournay (GRID-Arendal)