The global distribution of mineral dust

Dust aerosol particles produced by wind erosion in arid and semi arid regions affect climate and air quality, but the magnitude of these effects is largely unquantified. The major dust source regions include the Sahara, the Arabian and Asian deserts; global annual dust emissions are currently estima...

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Bibliographic Details
Published inIOP conference series. Earth and environmental science Vol. 7; no. 1; pp. 012001 - 6
Main Authors Tegen, I, Schepanski, K
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.03.2009
Subjects
Aerosols
Air quality
Arid regions
Arid zones
Deserts
Dust
Emissions
Load distribution
Outdoor air quality
Semi arid areas
Semiarid lands
Wind erosion
AN, North Atlantic
Africa, Sahara Desert
IN, Pacific
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Summary:Dust aerosol particles produced by wind erosion in arid and semi arid regions affect climate and air quality, but the magnitude of these effects is largely unquantified. The major dust source regions include the Sahara, the Arabian and Asian deserts; global annual dust emissions are currently estimated to range between 1000 and 3000 Mt/yr. Dust aerosol can be transported over long distances of thousands of kilometers, e.g. from source regions in the Saharan desert over the North Atlantic, or from the Asian deserts towards the Pacific Ocean. The atmospheric dust load varies considerably on different timescales. While dust aerosol distribution and dust effects are important on global scales, they strongly depend on dust emissions that are controlled on small spatial and temporal scales.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:1755-1315
1755-1307
1755-1315
DOI:10.1088/1755-1307/7/1/012001