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Volume 15, issue 5 | Copyright
Atmos. Chem. Phys., 15, 2313-2326, 2015
https://doi.org/10.5194/acp-15-2313-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 03 Mar 2015

Research article | 03 Mar 2015

Persistent after-effects of heavy rain on concentrations of ice nuclei and rainfall suggest a biological cause

E. K. Bigg et al.
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Cited articles
Bigg, E. K.: A new technique for counting ice-forming nuclei in aerosols, Tellus, 9, 394–400, 1957.
Bigg, E. K.: A long period fluctuation in freezing nucleus concentration, J. Meteorol., 15, 561–562, 1958.
Bigg, E. K.: Tests for persistent effects of cloud seeding in a recent Australian experiment, J. Appl. Meteorol., 34, 2416–2411, 1995.
Bigg, E. K. and Miles, G. T.: The results of large-scale measurements of natural ice nuclei, J. Atmos. Sci., 21, 396–403, 1964.
Bigg, E. K. and Turvey, D. E., Sources of atmospheric particles over Australia, Atmospheric Environment, 12, 1643–1655, 1978.
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Short summary
We show that atmospheric load of ice nuclei is enhanced for up to 20 days after key rainfall events. The rate of enhancement decreases exponentially with time. Rainfall quantity and frequency are increased for a similar duration and with similar exponential decreases thereby supporting the notion of rainfall feedback. We reveal series of significant feedback in rainfall patterns across Australia over the past century and marked changes in feedback patterns, and we indicate their locations.
We show that atmospheric load of ice nuclei is enhanced for up to 20 days after key rainfall...
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