Physics
Scientific paper
Jan 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981georl...8...15f&link_type=abstract
Geophysical Research Letters, vol. 8, Jan. 1981, p. 15-17.
Physics
10
Aerosols, Gas Mixtures, Stratosphere, Airborne Equipment, Alaska, Radii, Sage Satellite
Scientific paper
Stratospheric aerosols were collected at Poker Flat, Alaska, in July, 1979, to determine particle properties, confirm coincident satellite SAGE measurements, and compare similar results obtained with different airborne samplers. Because of the steep slopes in size-distribution curves for larger particles, it is found that properties such as concentrations, aerosol mass, and optical extinction are very sensitive to small errors in radii. It is calculated that the concentration measurements agree with photoelectric particle counter results when a 16% radius change is introduced. An 8% radius change matches our calculated sulfate mass with filter mass measurements. And a 13% radius change results in agreement between the calculated optical extinction and coincident SAGE satellite results. Recognizing that different instruments can produce 10-20% differences in measured sizes, it is believed the results of these comparative measurements of SAGE and in situ instruments are essentially in agreement.
Colburn David S.
Farlow Nell H.
Ferry G. V.
Hayes Dennis M.
Lem Homer Y.
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