Experimental determination of layer cloud edge charging from cosmic ray ionisation

K. A. Nicoll, R. G. Harrison

Research output: Contribution to journalArticlepeer-review

49 Citations (Scopus)

Abstract

The cloud-air transition zone at stratiform cloud edges is an electrically active region where droplet charging has been predicted. Cloud edge droplet charging is expected from vertical flow of cosmic ray generated atmospheric ions in the global electric circuit. Experimental confirmation of stratiform cloud edge electrification is presented here, through charge and droplet measurements made within an extensive layer of supercooled stratiform cloud, using a specially designed electrostatic sensor. Negative space charge up to 35 pC m?3 was found in a thin (
Original languageEnglish
JournalGeophysical Research Letters
Volume37
Issue number13
DOIs
Publication statusPublished - 1 Jul 2010

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