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Precipitation modification by ionization

Harrison, R. G., Nicoll, K. A., Ambaum, M. H. P., Marlton, G. J., Aplin, K. L. and Lockwood, M. (2020) Precipitation modification by ionization. Physical Review Letters, 124 (19). 198701. ISSN 0031-9007

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To link to this item DOI: 10.1103/PhysRevLett.124.198701

Abstract/Summary

Rainfall is hypothesised to be influenced by droplet charge, which is related to the global circuit current flowing through clouds. This is tested through examining a major global circuit current increase following release of artificial radioactivity. Significant changes occurred in daily rainfall distribution in the Shetland Islands, away from pollution. Daily rainfall changed by 24%, and local cloud optically thickened, within the nuclear weapons test period. This supports expectations of electrically induced microphysical changes in liquid water clouds from additional ionisation.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Mathematical, Physical and Computational Sciences > Department of Meteorology
ID Code:90278
Publisher:American Physical Society

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