Significant continental source of ice-nucleating particles at the tip of Chile's southernmost Patagonia region ...
The sources and abundance of ice-nucleating particles (INPs) that initiate cloud ice formation remain understudied, especially in the Southern Hemisphere. In this study, we present INP measurements taken close to Punta Arenas, Chile, at the southernmost tip of South America from May 2019 to March 20...
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ftdatacite:10.34657/10907 2023-06-11T04:16:58+02:00 Significant continental source of ice-nucleating particles at the tip of Chile's southernmost Patagonia region ... Gong, Xianda Radenz, Martin Wex, Heike Seifert, Patric Ataei, Farnoush Henning, Silvia Baars, Holger Barja, Boris Ansmann, Albert Stratmann, Frank 2022 https://dx.doi.org/10.34657/10907 https://oa.tib.eu/renate/handle/123456789/11874 en eng Katlenburg-Lindau : EGU Creative Commons Attribution 4.0 International CC BY 4.0 Unported https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 Chile aerosol cloud classification cloud microphysics concentration composition 550 article-journal ScholarlyArticle Text article 2022 ftdatacite https://doi.org/10.34657/10907 2023-05-02T09:35:47Z The sources and abundance of ice-nucleating particles (INPs) that initiate cloud ice formation remain understudied, especially in the Southern Hemisphere. In this study, we present INP measurements taken close to Punta Arenas, Chile, at the southernmost tip of South America from May 2019 to March 2020, during the Dynamics, Aerosol, Cloud, And Precipitation Observations in the Pristine Environment of the Southern Ocean (DACAPO-PESO) campaign. The highest ice nucleation temperature was observed at −3◦C, and from this temperature down to ∼ −10◦C, a sharp increase of INP number concentration (NINP) was observed. Heating of the samples revealed that roughly 90 % and 80 % of INPs are proteinaceous-based biogenic particles at > −10 and −15◦C, respectively. The NINP at Punta Arenas is much higher than that in the Southern Ocean, but it is comparable with an agricultural area in Argentina and forestry environment in the US. Ice active surface site density (ns) is much higher than that for marine aerosol in the ... Text Southern Ocean DataCite Metadata Store (German National Library of Science and Technology) Southern Ocean Patagonia Argentina |
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DataCite Metadata Store (German National Library of Science and Technology) |
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language |
English |
topic |
Chile aerosol cloud classification cloud microphysics concentration composition 550 |
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Chile aerosol cloud classification cloud microphysics concentration composition 550 Gong, Xianda Radenz, Martin Wex, Heike Seifert, Patric Ataei, Farnoush Henning, Silvia Baars, Holger Barja, Boris Ansmann, Albert Stratmann, Frank Significant continental source of ice-nucleating particles at the tip of Chile's southernmost Patagonia region ... |
topic_facet |
Chile aerosol cloud classification cloud microphysics concentration composition 550 |
description |
The sources and abundance of ice-nucleating particles (INPs) that initiate cloud ice formation remain understudied, especially in the Southern Hemisphere. In this study, we present INP measurements taken close to Punta Arenas, Chile, at the southernmost tip of South America from May 2019 to March 2020, during the Dynamics, Aerosol, Cloud, And Precipitation Observations in the Pristine Environment of the Southern Ocean (DACAPO-PESO) campaign. The highest ice nucleation temperature was observed at −3◦C, and from this temperature down to ∼ −10◦C, a sharp increase of INP number concentration (NINP) was observed. Heating of the samples revealed that roughly 90 % and 80 % of INPs are proteinaceous-based biogenic particles at > −10 and −15◦C, respectively. The NINP at Punta Arenas is much higher than that in the Southern Ocean, but it is comparable with an agricultural area in Argentina and forestry environment in the US. Ice active surface site density (ns) is much higher than that for marine aerosol in the ... |
format |
Text |
author |
Gong, Xianda Radenz, Martin Wex, Heike Seifert, Patric Ataei, Farnoush Henning, Silvia Baars, Holger Barja, Boris Ansmann, Albert Stratmann, Frank |
author_facet |
Gong, Xianda Radenz, Martin Wex, Heike Seifert, Patric Ataei, Farnoush Henning, Silvia Baars, Holger Barja, Boris Ansmann, Albert Stratmann, Frank |
author_sort |
Gong, Xianda |
title |
Significant continental source of ice-nucleating particles at the tip of Chile's southernmost Patagonia region ... |
title_short |
Significant continental source of ice-nucleating particles at the tip of Chile's southernmost Patagonia region ... |
title_full |
Significant continental source of ice-nucleating particles at the tip of Chile's southernmost Patagonia region ... |
title_fullStr |
Significant continental source of ice-nucleating particles at the tip of Chile's southernmost Patagonia region ... |
title_full_unstemmed |
Significant continental source of ice-nucleating particles at the tip of Chile's southernmost Patagonia region ... |
title_sort |
significant continental source of ice-nucleating particles at the tip of chile's southernmost patagonia region ... |
publisher |
Katlenburg-Lindau : EGU |
publishDate |
2022 |
url |
https://dx.doi.org/10.34657/10907 https://oa.tib.eu/renate/handle/123456789/11874 |
geographic |
Southern Ocean Patagonia Argentina |
geographic_facet |
Southern Ocean Patagonia Argentina |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
op_rights |
Creative Commons Attribution 4.0 International CC BY 4.0 Unported https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.34657/10907 |
_version_ |
1768375689403170816 |