What is it about?
Large quantities of African dust are carried across the Atlantic to the Caribbean Basin and the southern United States where it plays an important role in the biogeochemistry of soils and waters and in air quality. Dusts’ elemental and isotopic composition was comprehensively characterized in Barbados during the summers of 2013 and 2014, the season of maximum dust transport
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Why is it important?
This is the first comprehensive measurements of both elemental and isotopic composition for summertime Barbados aerosols over a wide range of concentrations. This makes it possible to look for differences in composition that might be related to sources and transport paths.
Perspectives
In order to identify and quantify African dust influence on air quality especially in urban environments in the United States, it is imperative to characterize the dust transported across the North Atlantic before it enters the mainland and mixes with local sources at receptor locations.
Dr Ayse Bozlaker
University of California, Davis
Read the Original
This page is a summary of: Linking Barbados Mineral Dust Aerosols to North African Sources Using Elemental Composition and Radiogenic Sr, Nd, and Pb Isotope Signatures, Journal of Geophysical Research Atmospheres, January 2018, Wiley,
DOI: 10.1002/2017jd027505.
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