Charge measurements in stratiform cloud from a balloon based sensor
Abstract. The electrification of stratiform clouds has is little investigated in comparison with thunderstorms and fair weather atmospheric electricity. Theory indicates that, at the upper and lower horizontal boundaries of layer clouds, charging will arise from vertical flow of cosmogenic ions in t...
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ftunivreading:oai:centaur.reading.ac.uk:20914 2024-06-23T07:52:36+00:00 Charge measurements in stratiform cloud from a balloon based sensor Nicoll, Kerianne Harrison, Giles 2011 https://centaur.reading.ac.uk/20914/ unknown Institute of Physics Nicoll, K. <https://centaur.reading.ac.uk/view/creators/90003611.html> orcid:0000-0001-5580-6325 and Harrison, G. <https://centaur.reading.ac.uk/view/creators/90000018.html> orcid:0000-0003-0693-347X (2011) Charge measurements in stratiform cloud from a balloon based sensor. Journal of Physics: Conference Series (301). 012003. ISSN 1742-6588 doi: https://doi.org/10.1088/1742-6596/301/1/012003 <https://doi.org/10.1088/1742-6596/301/1/012003> Article PeerReviewed 2011 ftunivreading https://doi.org/10.1088/1742-6596/301/1/012003 2024-06-11T14:55:12Z Abstract. The electrification of stratiform clouds has is little investigated in comparison with thunderstorms and fair weather atmospheric electricity. Theory indicates that, at the upper and lower horizontal boundaries of layer clouds, charging will arise from vertical flow of cosmogenic ions in the global atmospheric electric circuit. Charge is transferred to droplets and particles, affecting cloud microphysical processes such as collision and droplet activation. Due to the lack of in-situ measurements, the magnitude and distribution of charge in stratiform clouds is not well known. A sensitive, inexpensive, balloon borne charge sensor has been developed to make in-situ measurements of edge charging in stratiform cloud using a standard meteorological radiosonde system. The charge sensor has now been flown through over 20 stratiform clouds and frequently detected charge up to 200 pC m-3 near cloud edges. These results are compared with measurements from the same sensor used to investigate charge in particle layers, such as volcanic ash from the Eyjafjallajökull eruption, and Saharan dust in the Cape Verde Isles. 1. Article in Journal/Newspaper Eyjafjallajökull CentAUR: Central Archive at the University of Reading Journal of Physics: Conference Series 301 012003 |
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CentAUR: Central Archive at the University of Reading |
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Abstract. The electrification of stratiform clouds has is little investigated in comparison with thunderstorms and fair weather atmospheric electricity. Theory indicates that, at the upper and lower horizontal boundaries of layer clouds, charging will arise from vertical flow of cosmogenic ions in the global atmospheric electric circuit. Charge is transferred to droplets and particles, affecting cloud microphysical processes such as collision and droplet activation. Due to the lack of in-situ measurements, the magnitude and distribution of charge in stratiform clouds is not well known. A sensitive, inexpensive, balloon borne charge sensor has been developed to make in-situ measurements of edge charging in stratiform cloud using a standard meteorological radiosonde system. The charge sensor has now been flown through over 20 stratiform clouds and frequently detected charge up to 200 pC m-3 near cloud edges. These results are compared with measurements from the same sensor used to investigate charge in particle layers, such as volcanic ash from the Eyjafjallajökull eruption, and Saharan dust in the Cape Verde Isles. 1. |
format |
Article in Journal/Newspaper |
author |
Nicoll, Kerianne Harrison, Giles |
spellingShingle |
Nicoll, Kerianne Harrison, Giles Charge measurements in stratiform cloud from a balloon based sensor |
author_facet |
Nicoll, Kerianne Harrison, Giles |
author_sort |
Nicoll, Kerianne |
title |
Charge measurements in stratiform cloud from a balloon based sensor |
title_short |
Charge measurements in stratiform cloud from a balloon based sensor |
title_full |
Charge measurements in stratiform cloud from a balloon based sensor |
title_fullStr |
Charge measurements in stratiform cloud from a balloon based sensor |
title_full_unstemmed |
Charge measurements in stratiform cloud from a balloon based sensor |
title_sort |
charge measurements in stratiform cloud from a balloon based sensor |
publisher |
Institute of Physics |
publishDate |
2011 |
url |
https://centaur.reading.ac.uk/20914/ |
genre |
Eyjafjallajökull |
genre_facet |
Eyjafjallajökull |
op_relation |
Nicoll, K. <https://centaur.reading.ac.uk/view/creators/90003611.html> orcid:0000-0001-5580-6325 and Harrison, G. <https://centaur.reading.ac.uk/view/creators/90000018.html> orcid:0000-0003-0693-347X (2011) Charge measurements in stratiform cloud from a balloon based sensor. Journal of Physics: Conference Series (301). 012003. ISSN 1742-6588 doi: https://doi.org/10.1088/1742-6596/301/1/012003 <https://doi.org/10.1088/1742-6596/301/1/012003> |
op_doi |
https://doi.org/10.1088/1742-6596/301/1/012003 |
container_title |
Journal of Physics: Conference Series |
container_volume |
301 |
container_start_page |
012003 |
_version_ |
1802643953491640320 |