1150 year long ice core record of the Ross Sea Polynya, Antarctica
Knowledge of the past behavior of Antarctic polynyas such as the Ross and Weddell Seas contributes to the understanding of biological productivity, sea ice production, katabatic and Southern Hemisphere Westerly (SHW) wind strength, Antarctic bottom water (ABW) formation, and marine CO2 sequestration...
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ftdatacite:10.48550/arxiv.2006.01093 2023-05-15T13:24:09+02:00 1150 year long ice core record of the Ross Sea Polynya, Antarctica Beers, Thomas Manuel Mayewski, Paul Andrew Kurbatov, Andrei Dixon, Daniel Bertler, Nancy Birkel, Sean Maasch, Kirk A. Handley, Michael Auger, Jeff Blunier, Thomas Neff, Peter Tuohy, Andrea Simonsen, Marius Folden 2020 https://dx.doi.org/10.48550/arxiv.2006.01093 https://arxiv.org/abs/2006.01093 unknown arXiv arXiv.org perpetual, non-exclusive license http://arxiv.org/licenses/nonexclusive-distrib/1.0/ Atmospheric and Oceanic Physics physics.ao-ph FOS Physical sciences Article CreativeWork article Preprint 2020 ftdatacite https://doi.org/10.48550/arxiv.2006.01093 2022-03-10T15:25:43Z Knowledge of the past behavior of Antarctic polynyas such as the Ross and Weddell Seas contributes to the understanding of biological productivity, sea ice production, katabatic and Southern Hemisphere Westerly (SHW) wind strength, Antarctic bottom water (ABW) formation, and marine CO2 sequestration. Previous studies link barium (Ba) marine sedimentation to polynya primary productivity (Bonn et al., 1998; McManus et al., 2002; Pirrung et al., 2008), polynya area to katabatic wind strength and proximal cyclones (Bromwich et al., 1998; Drucker et al., 2011), and highlight the influence of Ross Ice Shelf calving event effects on the Ross Sea Polynya (RSP) (Rhodes et al., 2009). Here we use the RICE ice core, located just 120 km from the Ross Ice Shelf front to capture 1150 years of RSP behavior. We link atmospheric Ba fluctuations to Ba marine sedimentation in the summer Ross Sea Polynya, creating the first deep ice core based RSP proxy. RSP area is currently the smallest ever observed over our 1150-year record, and varied throughout the Little Ice Age with fluctuations in Amundsen Sea Low (ASL) strength related with Ross Sea cyclones. Past RSP reconstructions allow us to predict future responses of RSP area to future climate change, which is of special interest considering the recent disappearance of the Weddell Sea Polynya in response to anthropogenic forcing (de Lavergne et al., 2014). : 14 pages, 7 figures, 1 table Article in Journal/Newspaper Amundsen Sea Antarc* Antarctic Antarctica ice core Ice Shelf Ross Ice Shelf Ross Sea Sea ice Weddell Sea DataCite Metadata Store (German National Library of Science and Technology) Antarctic Weddell Sea Ross Sea Amundsen Sea Ross Ice Shelf Weddell |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Atmospheric and Oceanic Physics physics.ao-ph FOS Physical sciences |
spellingShingle |
Atmospheric and Oceanic Physics physics.ao-ph FOS Physical sciences Beers, Thomas Manuel Mayewski, Paul Andrew Kurbatov, Andrei Dixon, Daniel Bertler, Nancy Birkel, Sean Maasch, Kirk A. Handley, Michael Auger, Jeff Blunier, Thomas Neff, Peter Tuohy, Andrea Simonsen, Marius Folden 1150 year long ice core record of the Ross Sea Polynya, Antarctica |
topic_facet |
Atmospheric and Oceanic Physics physics.ao-ph FOS Physical sciences |
description |
Knowledge of the past behavior of Antarctic polynyas such as the Ross and Weddell Seas contributes to the understanding of biological productivity, sea ice production, katabatic and Southern Hemisphere Westerly (SHW) wind strength, Antarctic bottom water (ABW) formation, and marine CO2 sequestration. Previous studies link barium (Ba) marine sedimentation to polynya primary productivity (Bonn et al., 1998; McManus et al., 2002; Pirrung et al., 2008), polynya area to katabatic wind strength and proximal cyclones (Bromwich et al., 1998; Drucker et al., 2011), and highlight the influence of Ross Ice Shelf calving event effects on the Ross Sea Polynya (RSP) (Rhodes et al., 2009). Here we use the RICE ice core, located just 120 km from the Ross Ice Shelf front to capture 1150 years of RSP behavior. We link atmospheric Ba fluctuations to Ba marine sedimentation in the summer Ross Sea Polynya, creating the first deep ice core based RSP proxy. RSP area is currently the smallest ever observed over our 1150-year record, and varied throughout the Little Ice Age with fluctuations in Amundsen Sea Low (ASL) strength related with Ross Sea cyclones. Past RSP reconstructions allow us to predict future responses of RSP area to future climate change, which is of special interest considering the recent disappearance of the Weddell Sea Polynya in response to anthropogenic forcing (de Lavergne et al., 2014). : 14 pages, 7 figures, 1 table |
format |
Article in Journal/Newspaper |
author |
Beers, Thomas Manuel Mayewski, Paul Andrew Kurbatov, Andrei Dixon, Daniel Bertler, Nancy Birkel, Sean Maasch, Kirk A. Handley, Michael Auger, Jeff Blunier, Thomas Neff, Peter Tuohy, Andrea Simonsen, Marius Folden |
author_facet |
Beers, Thomas Manuel Mayewski, Paul Andrew Kurbatov, Andrei Dixon, Daniel Bertler, Nancy Birkel, Sean Maasch, Kirk A. Handley, Michael Auger, Jeff Blunier, Thomas Neff, Peter Tuohy, Andrea Simonsen, Marius Folden |
author_sort |
Beers, Thomas Manuel |
title |
1150 year long ice core record of the Ross Sea Polynya, Antarctica |
title_short |
1150 year long ice core record of the Ross Sea Polynya, Antarctica |
title_full |
1150 year long ice core record of the Ross Sea Polynya, Antarctica |
title_fullStr |
1150 year long ice core record of the Ross Sea Polynya, Antarctica |
title_full_unstemmed |
1150 year long ice core record of the Ross Sea Polynya, Antarctica |
title_sort |
1150 year long ice core record of the ross sea polynya, antarctica |
publisher |
arXiv |
publishDate |
2020 |
url |
https://dx.doi.org/10.48550/arxiv.2006.01093 https://arxiv.org/abs/2006.01093 |
geographic |
Antarctic Weddell Sea Ross Sea Amundsen Sea Ross Ice Shelf Weddell |
geographic_facet |
Antarctic Weddell Sea Ross Sea Amundsen Sea Ross Ice Shelf Weddell |
genre |
Amundsen Sea Antarc* Antarctic Antarctica ice core Ice Shelf Ross Ice Shelf Ross Sea Sea ice Weddell Sea |
genre_facet |
Amundsen Sea Antarc* Antarctic Antarctica ice core Ice Shelf Ross Ice Shelf Ross Sea Sea ice Weddell Sea |
op_rights |
arXiv.org perpetual, non-exclusive license http://arxiv.org/licenses/nonexclusive-distrib/1.0/ |
op_doi |
https://doi.org/10.48550/arxiv.2006.01093 |
_version_ |
1766377716299333632 |