Water soluble organic constituents in Arctic aerosols and snow pack

Details Water soluble organic constituents in Arctic aerosols and snow pack Water soluble organic constituents in Arctic aerosols and snow pack

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993georl..20...45l&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 20, no. 1, p. 45-48.

Physics

16

Aerosols, Arctic Regions, Organic Compounds, Satellite Observation, Snow Cover, Biomass, Condensation Nuclei, Solubility

Scientific paper

Measurements of eight water-soluble organic anions in 70 aerosol samples and 10 snow samples at Barrow, Alaska, in March-April 1989 are reported. The ranking of the ions in aerosols according to the total median concentrations was acetate (44 ng/cu m), oxalate (27), benzoate (23), formate (22), propionate (6), methanesulfonate (5), lactate (4), and pyruvate (4). The organic anions/nssSO4(2-) mass ratio had a median of 0.18 and 0.07 in the coarse and fine size fractions, respectively, but can be very high on occasions. On average, the organic anions made up more than 10 percent of the water-soluble aerosol mass. A similar ranking in concentration was also found for the organic ions in the snow pack samples.

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