Ammonium to sulphate ratio in aerosol and snow of Greenland and Antarctic regions

Details Ammonium to sulphate ratio in aerosol and snow of Greenland and Antarctic regions Ammonium to sulphate ratio in aerosol and snow of Greenland and Antarctic regions

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993georl..20..687s&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 20, no. 8, p. 687-690.

Physics

11

Aerosols, Atmospheric Chemistry, Atmospheric Composition, Snow, Ammonium Compounds, Chromatography, Molecular Ions, Sulfates

Scientific paper

NH4(+) to SO4(2-) ratio of aerosols and snows are investigated in Greenland. Data suggest that the atmospheric NH4(+) and SO4(2-) signals are well preserved in snow, and that previous discrepancies sometimes observed between the composition of the air and that of the snow were probably due to NH4(+) artifacts. This study leads to the conclusion that NH3 is not able to neutralize the acidity of the high latitude atmosphere, in particular in the Southern Hemisphere.

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