Physics
Scientific paper
Mar 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3105105t&link_type=abstract
Geophysical Research Letters, Volume 31, Issue 5, CiteID L05105
Physics
62
Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801), Atmospheric Composition And Structure: Constituent Sources And Sinks, Meteorology And Atmospheric Dynamics: Land/Atmosphere Interactions
Scientific paper
The current consensus is that up to half of the modern atmospheric dust load originates from anthropogenically-disturbed soils. Here, we estimate the contribution to the atmospheric dust load from agricultural areas by calibrating a dust-source model with emission indices derived from dust-storm observations. Our results indicate that dust from agricultural areas contributes <10% to the global dust load. Analyses of future changes in dust emissions under several climate and land-use scenarios suggest dust emissions may increase or decrease, but either way the effects of climate change will dominate dust emissions.
Harrison Sandy P.
Kohfeld Karen E.
Tegen Ina
Werner Marcel
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