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Galloway et al. 2004
Uploaded on Tuesday 21 Feb 2012
Estimated total reactive nitrogen deposition from the atmosphere (wet and dry) in 1860, early 1990s, and projected for 2050
Philippe Rekacewicz, Emmanuelle Bournay, UNEP/GRID-Arendal
Atmospheric deposition currently accounts for roughly 12% of the reactive nitrogen entering terrestrial and coastal marine ecosystems globally, although in some regions, atmospheric deposition accounts for a higher percentage (about 33% in the United States). (Note: the projection was included in the original study and is not based on MA scenarios.)