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The nuclei of natural cloud formation part II: The supersaturation in natural clouds and the variation of cloud droplet concentration

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Summary

Calculations are performed to determine the time variation of supersaturation during cloud formation. It is shown that a simple expression can be used to obtain the maximum supersaturation (and hence the number of nuclei activated) as a function of updraught velocity and nucleus spectra insert omitted portion of copy reported in Part 1 and it isshown that they lead to cloud droplet concentrations which agree with those actually observed.

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References

  1. Squires P.: Aust. J. Sci. Res.A, vol. 5, 59 (1952).

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  2. Squires, P.: Tellus, vol. 10, 256–271 (1958).

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Authors and Affiliations

  1. C.S.I.R.O., Division of Radiophysics, University Grounds, Sydney, N.S.W., Australia

    S. Twomey

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  1. S. Twomey
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Twomey, S. The nuclei of natural cloud formation part II: The supersaturation in natural clouds and the variation of cloud droplet concentration. Geofisica Pura e Applicata 43, 243–249 (1959). https://doi.org/10.1007/BF01993560

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  • DOI: https://doi.org/10.1007/BF01993560

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