Impact of air pollution on wet deposition of mineral dust aerosols

Details Impact of air pollution on wet deposition of mineral dust aerosols Impact of air pollution on wet deposition of mineral dust aerosols

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3102104f&link_type=abstract

Geophysical Research Letters, Volume 31, Issue 2, CiteID L02104

Physics

26

Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801), Atmospheric Composition And Structure: Air/Sea Constituent Fluxes (3339, 4504), Atmospheric Composition And Structure: Cloud Physics And Chemistry, Atmospheric Composition And Structure: Geochemical Cycles, Atmospheric Composition And Structure: Troposphere-Constituent Transport And Chemistry

Scientific paper

Mineral dust aerosols originating from arid regions are simulated in an atmospheric global chemical transport model. Based on model results and observations of dust concentration, we hypothesize that air pollution increases the scavenging of dust by producing high levels of readily soluble materials on the dust surface, which makes dust aerosols effective cloud condensation nuclei (CCN). This implies that air pollution could have caused an increase of dust deposition to the coastal oceans of East Asia and a decrease by as much as 50% in the eastern North Pacific.

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