Physics
Scientific paper
Jul 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30nasc1d&link_type=abstract
Geophysical Research Letters, Volume 30, Issue 14, pp. ASC 1-1, CiteID 1732, DOI 10.1029/2003GL017410
Physics
158
Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801), Atmospheric Composition And Structure: Cloud Physics And Chemistry, Atmospheric Composition And Structure: Troposphere-Composition And Chemistry
Scientific paper
Measurements of the ice nucleating ability of aerosol particles in air masses over Florida having sources from North Africa support the potential importance of dust aerosols for indirectly affecting cloud properties and climate. The concentrations of ice nuclei within dust layers at particle sizes below 1 μm exceeded 1 cm-3 the highest ever reported with our device at temperatures warmer than homogeneous freezing conditions. These measurements add to previous direct and indirect evidence of the ice nucleation efficiency of desert dust aerosols, but also confirm their contribution to ice nuclei populations at great distances from source regions.
Baumgardner Darrel
Brooks Sarah D.
DeMott Paul J.
Kreidenweis Sonia M.
Poellot Michael R.
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