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DOI:	10.1371/journal.pone.0169720
论文题名:	Heterogeneous Ice Nucleation by Soufriere Hills Volcanic Ash Immersed in Water Droplets
作者:	T. P. Mangan; J. D. Atkinson; J. W. Neuberg; D. O’Sullivan; T. W. Wilson; T. F. Whale; L. Neve; N. S. Umo; T. L. Malkin; B. J. Murray
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2017
发表日期:	2017-1-5
卷:	12, 期:1
语种:	英语
英文关键词:	Volcanoes ; Nucleation ; Clouds ; Ice core ; Aerosols ; Deserts ; Condensation ; Quartz
英文摘要:	Fine particles of ash emitted during volcanic eruptions may sporadically influence cloud properties on a regional or global scale as well as influencing the dynamics of volcanic clouds and the subsequent dispersion of volcanic aerosol and gases. It has been shown that volcanic ash can trigger ice nucleation, but ash from relatively few volcanoes has been studied for its ice nucleating ability. In this study we quantify the efficiency with which ash from the Soufriere Hills volcano on Montserrat nucleates ice when immersed in supercooled water droplets. Using an ash sample from the 11th February 2010 eruption, we report ice nucleating efficiencies from 246 to 265 K. This wide range of temperatures was achieved using two separate droplet freezing instruments, one employing nanolitre droplets, the other using microlitre droplets. Soufriere Hills volcanic ash was significantly more efficient than all other ash samples that have been previously examined. At present the reasons for these differences are not understood, but may be related to mineralogy, amorphous content and surface chemistry.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0169720&type=printable
Citation statistics:	被引频次[WOS]:13 [查看WOS记录] [查看WOS中相关记录]
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/25609
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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journal.pone.0169720.pdf（1430KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

School of Earth and Environment, University of Leeds, Leeds, United Kingdom;School of Chemistry, University of Leeds, Leeds, United Kingdom;School of Earth and Environment, University of Leeds, Leeds, United Kingdom;School of Earth and Environment, University of Leeds, Leeds, United Kingdom;School of Earth and Environment, University of Leeds, Leeds, United Kingdom;School of Earth and Environment, University of Leeds, Leeds, United Kingdom;School of Earth and Environment, University of Leeds, Leeds, United Kingdom;School of Earth and Environment, University of Leeds, Leeds, United Kingdom;School of Earth and Environment, University of Leeds, Leeds, United Kingdom;School of Earth and Environment, University of Leeds, Leeds, United Kingdom;School of Earth and Environment, University of Leeds, Leeds, United Kingdom

Recommended Citation:

T. P. Mangan,J. D. Atkinson,J. W. Neuberg,et al. Heterogeneous Ice Nucleation by Soufriere Hills Volcanic Ash Immersed in Water Droplets[J]. PLOS ONE,2017-01-01,12(1)

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