Physics – Geophysics
Scientific paper
Feb 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988rvgeo..26...89s&link_type=abstract
Reviews of Geophysics (ISSN 8755-1209), vol. 26, Feb. 1988, p. 89-112. NSF-supported research.
Physics
Geophysics
36
Aerosols, Antarctic Regions, Atmospheric Composition, Land Ice, Annual Variations, Condensation Nuclei, Mie Scattering, Particle Size Distribution, Polar Meteorology, Vertical Distribution
Scientific paper
Tropospheric aerosols with the diameter range of half a micron reside in the atmosphere for tens of days and teleconnect Antarctica with other regions by transport that reaches planetary scales of distances; thus, the aerosol on the Antarctic ice represents 'memory modules' of events that took place at regions separated from Antarctica by tens of thousands of kilometers. In terms of aerosol mass, the aerosol species include insoluble crustal products (less than 5 percent), transported sea-salt residues (highly variable but averaging about 10 percent), Ni-rich meteoric material, and anomalously enriched material with an unknown origin. Most (70-90 percent by mass) of the aerosol over the Antarctic ice shield, however, is the 'natural acid sulfate aerosol', apparently deriving from biological processes taking place in the surrounding oceans.
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