Sea ice as a source of sea salt aerosol to Greenland ice cores: a model-based study
Growing evidence suggests that the sea ice surface is an important source of sea salt aerosol and this has significant implications for polar climate and atmospheric chemistry. It also suggests the potential to use ice core sea salt records as proxies for past sea ice extent. To explore this possibi...
Published in: | Atmospheric Chemistry and Physics |
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Copernicus Publications
2017
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ftnonlinearchiv:oai:noa.gwlb.de:cop_mods_00042288 2023-05-15T15:00:02+02:00 Sea ice as a source of sea salt aerosol to Greenland ice cores: a model-based study Rhodes, Rachael H. Yang, Xin Wolff, Eric W. McConnell, Joseph R. Frey, Markus M. 2017-08 electronic https://doi.org/10.5194/acp-17-9417-2017 https://noa.gwlb.de/receive/cop_mods_00042288 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00041908/acp-17-9417-2017.pdf https://acp.copernicus.org/articles/17/9417/2017/acp-17-9417-2017.pdf eng eng Copernicus Publications Atmospheric Chemistry and Physics -- http://www.atmos-chem-phys.net/volumes_and_issues.html -- http://www.bibliothek.uni-regensburg.de/ezeit/?2069847 -- 1680-7324 https://doi.org/10.5194/acp-17-9417-2017 https://noa.gwlb.de/receive/cop_mods_00042288 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00041908/acp-17-9417-2017.pdf https://acp.copernicus.org/articles/17/9417/2017/acp-17-9417-2017.pdf uneingeschränkt info:eu-repo/semantics/openAccess article Verlagsveröffentlichung article Text doc-type:article 2017 ftnonlinearchiv https://doi.org/10.5194/acp-17-9417-2017 2022-02-08T22:41:09Z Growing evidence suggests that the sea ice surface is an important source of sea salt aerosol and this has significant implications for polar climate and atmospheric chemistry. It also suggests the potential to use ice core sea salt records as proxies for past sea ice extent. To explore this possibility in the Arctic region, we use a chemical transport model to track the emission, transport, and deposition of sea salt from both the open ocean and the sea ice, allowing us to assess the relative importance of each. Our results confirm the importance of sea ice sea salt (SISS) to the winter Arctic aerosol burden. For the first time, we explicitly simulate the sea salt concentrations of Greenland snow, achieving values within a factor of two of Greenland ice core records. Our simulations suggest that SISS contributes to the winter maxima in sea salt characteristic of ice cores across Greenland. However, a north–south gradient in the contribution of SISS relative to open-ocean sea salt (OOSS) exists across Greenland, with 50 % of winter sea salt being SISS at northern sites such as NEEM (77° N), while only 10 % of winter sea salt is SISS at southern locations such as ACT10C (66° N). Our model shows some skill at reproducing the inter-annual variability in sea salt concentrations for 1991–1999, particularly at Summit where up to 62 % of the variability is explained. Future work will involve constraining what is driving this inter-annual variability and operating the model under different palaeoclimatic conditions. Article in Journal/Newspaper Arctic Greenland Greenland ice core Greenland ice cores ice core Sea ice Niedersächsisches Online-Archiv NOA Arctic Greenland Atmospheric Chemistry and Physics 17 15 9417 9433 |
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Open Polar |
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Niedersächsisches Online-Archiv NOA |
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ftnonlinearchiv |
language |
English |
topic |
article Verlagsveröffentlichung |
spellingShingle |
article Verlagsveröffentlichung Rhodes, Rachael H. Yang, Xin Wolff, Eric W. McConnell, Joseph R. Frey, Markus M. Sea ice as a source of sea salt aerosol to Greenland ice cores: a model-based study |
topic_facet |
article Verlagsveröffentlichung |
description |
Growing evidence suggests that the sea ice surface is an important source of sea salt aerosol and this has significant implications for polar climate and atmospheric chemistry. It also suggests the potential to use ice core sea salt records as proxies for past sea ice extent. To explore this possibility in the Arctic region, we use a chemical transport model to track the emission, transport, and deposition of sea salt from both the open ocean and the sea ice, allowing us to assess the relative importance of each. Our results confirm the importance of sea ice sea salt (SISS) to the winter Arctic aerosol burden. For the first time, we explicitly simulate the sea salt concentrations of Greenland snow, achieving values within a factor of two of Greenland ice core records. Our simulations suggest that SISS contributes to the winter maxima in sea salt characteristic of ice cores across Greenland. However, a north–south gradient in the contribution of SISS relative to open-ocean sea salt (OOSS) exists across Greenland, with 50 % of winter sea salt being SISS at northern sites such as NEEM (77° N), while only 10 % of winter sea salt is SISS at southern locations such as ACT10C (66° N). Our model shows some skill at reproducing the inter-annual variability in sea salt concentrations for 1991–1999, particularly at Summit where up to 62 % of the variability is explained. Future work will involve constraining what is driving this inter-annual variability and operating the model under different palaeoclimatic conditions. |
format |
Article in Journal/Newspaper |
author |
Rhodes, Rachael H. Yang, Xin Wolff, Eric W. McConnell, Joseph R. Frey, Markus M. |
author_facet |
Rhodes, Rachael H. Yang, Xin Wolff, Eric W. McConnell, Joseph R. Frey, Markus M. |
author_sort |
Rhodes, Rachael H. |
title |
Sea ice as a source of sea salt aerosol to Greenland ice cores: a model-based study |
title_short |
Sea ice as a source of sea salt aerosol to Greenland ice cores: a model-based study |
title_full |
Sea ice as a source of sea salt aerosol to Greenland ice cores: a model-based study |
title_fullStr |
Sea ice as a source of sea salt aerosol to Greenland ice cores: a model-based study |
title_full_unstemmed |
Sea ice as a source of sea salt aerosol to Greenland ice cores: a model-based study |
title_sort |
sea ice as a source of sea salt aerosol to greenland ice cores: a model-based study |
publisher |
Copernicus Publications |
publishDate |
2017 |
url |
https://doi.org/10.5194/acp-17-9417-2017 https://noa.gwlb.de/receive/cop_mods_00042288 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00041908/acp-17-9417-2017.pdf https://acp.copernicus.org/articles/17/9417/2017/acp-17-9417-2017.pdf |
geographic |
Arctic Greenland |
geographic_facet |
Arctic Greenland |
genre |
Arctic Greenland Greenland ice core Greenland ice cores ice core Sea ice |
genre_facet |
Arctic Greenland Greenland ice core Greenland ice cores ice core Sea ice |
op_relation |
Atmospheric Chemistry and Physics -- http://www.atmos-chem-phys.net/volumes_and_issues.html -- http://www.bibliothek.uni-regensburg.de/ezeit/?2069847 -- 1680-7324 https://doi.org/10.5194/acp-17-9417-2017 https://noa.gwlb.de/receive/cop_mods_00042288 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00041908/acp-17-9417-2017.pdf https://acp.copernicus.org/articles/17/9417/2017/acp-17-9417-2017.pdf |
op_rights |
uneingeschränkt info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5194/acp-17-9417-2017 |
container_title |
Atmospheric Chemistry and Physics |
container_volume |
17 |
container_issue |
15 |
container_start_page |
9417 |
op_container_end_page |
9433 |
_version_ |
1766332150157672448 |