Summary
The measurement of condensation nucleus concentration from an aircraft is considered and preliminary observations made with a photo-electric condensation nucleus counter discussed. It is concluded that at heights up to 6000 ft concentrations of condensation nuclei vary, from 200 cm−3 in clean maritime air to 5 × 103 cm−3 generally over large industrial areas and 35 × 103 cm−3 downwind of specific industrial sources. It appears that sea spray makes a contribution to the nucleus population.
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Additional information
Mr. G. J.Day, B. Sc., Meteorological Research Flight, Royal Aircraft Establishment,Farnborough, Hants. (Great Britain).
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Day, G.J. Some airborne observations of condensation nucleus concentration. Geofisica Pura e Applicata 31, 169–181 (1955). https://doi.org/10.1007/BF01999599
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DOI: https://doi.org/10.1007/BF01999599