O'Sullivan, D, Murray, BJ, Ross, JF et al. (5 more authors) (2015) The relevance of nanoscale biological fragments for ice nucleation in clouds. Scientific Reports , 5. 8082. ISSN 2045-2322
Abstract
Most studies of the role of biological entities as atmospheric ice-nucleating particles have focused on relatively rare supermicron particles such as bacterial cells, fungal spores and pollen grains. However, it is not clear that there are sufficient numbers of these particles in the atmosphere to strongly influence clouds. Here we show that the ice-nucleating activity of a fungus from the ubiquitous genus Fusarium is related to the presence of nanometre-scale particles which are far more numerous, and therefore potentially far more important for cloud glaciation than whole intact spores or hyphae. In addition, we quantify the ice-nucleating activity of nano-ice nucleating particles (nano-INPs) washed off pollen and also show that nano-INPs are present in a soil sample. Based on these results, we suggest that there is a reservoir of biological nano-INPs present in the environment which may, for example, become aerosolised in association with fertile soil dust particles.
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Item Type: | Article |
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Copyright, Publisher and Additional Information: | © 2015, Rights Managed by Nature Publishing Group. This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission fromthe license holder in order to reproduce thematerial. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Environment (Leeds) > School of Earth and Environment (Leeds) > Inst for Climate & Atmos Science (ICAS) (Leeds) The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Chemistry (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 20 Jul 2015 10:06 |
Last Modified: | 01 Mar 2019 12:58 |
Published Version: | http://dx.doi.org/10.1038/srep08082 |
Status: | Published |
Publisher: | Nature Publishing Group |
Identification Number: | 10.1038/srep08082 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:85558 |
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