An Arctic CCN-limited cloud-aerosol regime
On average, airborne aerosol particles cool the Earth's surface directly by absorbing and scattering sunlight and indirectly by influencing cloud reflectivity, life time, thickness or extent. Here we show that over the central Arctic Ocean, where there is frequently a lack of aerosol particles...
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ftethz:oai:www.research-collection.ethz.ch:20.500.11850/30924 2023-05-15T14:43:58+02:00 An Arctic CCN-limited cloud-aerosol regime Mauritsen, Thorsten Sedlar, J. Tjernström, Michael Leck, C. Martin, M. Shupe, Matthew Sjogren, S. Sierau, Berko Persson, P.O.G. Brooks, I.M. Swietlicki, Erik 2011 application/application/pdf https://hdl.handle.net/20.500.11850/30924 https://doi.org/10.3929/ethz-b-000030924 en eng Copernicus info:eu-repo/semantics/altIdentifier/doi/10.5194/acp-11-165-2011 info:eu-repo/semantics/altIdentifier/wos/000286180200012 http://hdl.handle.net/20.500.11850/30924 doi:10.3929/ethz-b-000030924 info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/3.0/ Creative Commons Attribution 3.0 Unported CC-BY Atmospheric Chemistry and Physics, 11 (1) info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2011 ftethz https://doi.org/20.500.11850/30924 https://doi.org/10.3929/ethz-b-000030924 https://doi.org/10.5194/acp-11-165-2011 2023-02-13T00:45:50Z On average, airborne aerosol particles cool the Earth's surface directly by absorbing and scattering sunlight and indirectly by influencing cloud reflectivity, life time, thickness or extent. Here we show that over the central Arctic Ocean, where there is frequently a lack of aerosol particles upon which clouds may form, a small increase in aerosol loading may enhance cloudiness thereby likely causing a climatologically significant warming at the ice-covered Arctic surface. Under these low concentration conditions cloud droplets grow to drizzle sizes and fall, even in the absence of collisions and coalescence, thereby diminishing cloud water. Evidence from a case study suggests that interactions between aerosol, clouds and precipitation could be responsible for attaining the observed low aerosol concentrations. ISSN:1680-7375 ISSN:1680-7367 Article in Journal/Newspaper Arctic Arctic Ocean ETH Zürich Research Collection Arctic Arctic Ocean |
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Open Polar |
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ETH Zürich Research Collection |
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ftethz |
language |
English |
description |
On average, airborne aerosol particles cool the Earth's surface directly by absorbing and scattering sunlight and indirectly by influencing cloud reflectivity, life time, thickness or extent. Here we show that over the central Arctic Ocean, where there is frequently a lack of aerosol particles upon which clouds may form, a small increase in aerosol loading may enhance cloudiness thereby likely causing a climatologically significant warming at the ice-covered Arctic surface. Under these low concentration conditions cloud droplets grow to drizzle sizes and fall, even in the absence of collisions and coalescence, thereby diminishing cloud water. Evidence from a case study suggests that interactions between aerosol, clouds and precipitation could be responsible for attaining the observed low aerosol concentrations. ISSN:1680-7375 ISSN:1680-7367 |
format |
Article in Journal/Newspaper |
author |
Mauritsen, Thorsten Sedlar, J. Tjernström, Michael Leck, C. Martin, M. Shupe, Matthew Sjogren, S. Sierau, Berko Persson, P.O.G. Brooks, I.M. Swietlicki, Erik |
spellingShingle |
Mauritsen, Thorsten Sedlar, J. Tjernström, Michael Leck, C. Martin, M. Shupe, Matthew Sjogren, S. Sierau, Berko Persson, P.O.G. Brooks, I.M. Swietlicki, Erik An Arctic CCN-limited cloud-aerosol regime |
author_facet |
Mauritsen, Thorsten Sedlar, J. Tjernström, Michael Leck, C. Martin, M. Shupe, Matthew Sjogren, S. Sierau, Berko Persson, P.O.G. Brooks, I.M. Swietlicki, Erik |
author_sort |
Mauritsen, Thorsten |
title |
An Arctic CCN-limited cloud-aerosol regime |
title_short |
An Arctic CCN-limited cloud-aerosol regime |
title_full |
An Arctic CCN-limited cloud-aerosol regime |
title_fullStr |
An Arctic CCN-limited cloud-aerosol regime |
title_full_unstemmed |
An Arctic CCN-limited cloud-aerosol regime |
title_sort |
arctic ccn-limited cloud-aerosol regime |
publisher |
Copernicus |
publishDate |
2011 |
url |
https://hdl.handle.net/20.500.11850/30924 https://doi.org/10.3929/ethz-b-000030924 |
geographic |
Arctic Arctic Ocean |
geographic_facet |
Arctic Arctic Ocean |
genre |
Arctic Arctic Ocean |
genre_facet |
Arctic Arctic Ocean |
op_source |
Atmospheric Chemistry and Physics, 11 (1) |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.5194/acp-11-165-2011 info:eu-repo/semantics/altIdentifier/wos/000286180200012 http://hdl.handle.net/20.500.11850/30924 doi:10.3929/ethz-b-000030924 |
op_rights |
info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/3.0/ Creative Commons Attribution 3.0 Unported |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/20.500.11850/30924 https://doi.org/10.3929/ethz-b-000030924 https://doi.org/10.5194/acp-11-165-2011 |
_version_ |
1766315543353098240 |