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Charge in non-thunderstorm clouds and fogs

Harrison, R. G. ORCID:, Nicoll, K. A. ORCID: and Ambaum, M. H. P. ORCID: (2024) Charge in non-thunderstorm clouds and fogs. Journal of Physics: Conference Series, 2702. 012001. ISSN 1742-6596 (Electrostatics 2023, 4-7 September 2023, Uxbridge, UK)

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To link to this item DOI: 10.1088/1742-6596/2702/1/012001


The global atmospheric electric circuit links charge separation in thunderclouds with current flow throughout the atmosphere. This current flow causes charge accumulation on the upper and lower boundaries of clouds and fogs. Thunderclouds are therefore not the only charged clouds in the atmosphere, and other forms of clouds, especially extensive horizontal layer clouds (stratus) are much more abundant globally. To investigate possible effects of charging of natural droplets in clouds, experiments have been undertaken using corona ion emission into fogs, releasing from within and above the fog. During the corona ion release the droplet size distribution was modified, with an increase in small drops. Further, when the ions were released over the fog, the reflectivity of the fog increased by ~2%, about 30s later.

Item Type:Article
Divisions:Science > School of Mathematical, Physical and Computational Sciences > Department of Meteorology
ID Code:113293
Publisher:Institute of Physics


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