Spatially coherent late Holocene Antarctic Peninsula surface air temperature variability
The Antarctic Peninsula experienced a rapid rise in regional temperature during the second half of the 20th century, but the regional pattern of multi-centennial temperature changes and their dynamical drivers remain poorly understood. Here we use proxies of biological productivity in rare, deep mos...
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Language: | English |
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Geological Society of America
2018
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Online Access: | http://nora.nerc.ac.uk/id/eprint/517997/ https://nora.nerc.ac.uk/id/eprint/517997/1/10.1130_G45347.1.pdf https://doi.org/10.1130/G45347.1 |
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ftnerc:oai:nora.nerc.ac.uk:517997 2023-05-15T13:49:34+02:00 Spatially coherent late Holocene Antarctic Peninsula surface air temperature variability Charman, Dan J. Amesbury, Matthew J Roland, Thomas P Royles, Jessica Hodgson, Dominic A. Convey, Peter Griffiths, Howard 2018-12 text http://nora.nerc.ac.uk/id/eprint/517997/ https://nora.nerc.ac.uk/id/eprint/517997/1/10.1130_G45347.1.pdf https://doi.org/10.1130/G45347.1 en eng Geological Society of America https://nora.nerc.ac.uk/id/eprint/517997/1/10.1130_G45347.1.pdf Charman, Dan J.; Amesbury, Matthew J; Roland, Thomas P; Royles, Jessica orcid:0000-0003-0489-6863 Hodgson, Dominic A. orcid:0000-0002-3841-3746 Convey, Peter orcid:0000-0001-8497-9903 Griffiths, Howard. 2018 Spatially coherent late Holocene Antarctic Peninsula surface air temperature variability. Geology, 46 (12). 1071-1074. https://doi.org/10.1130/G45347.1 <https://doi.org/10.1130/G45347.1> cc_by_4 CC-BY Publication - Article PeerReviewed 2018 ftnerc https://doi.org/10.1130/G45347.1 2023-02-04T19:45:27Z The Antarctic Peninsula experienced a rapid rise in regional temperature during the second half of the 20th century, but the regional pattern of multi-centennial temperature changes and their dynamical drivers remain poorly understood. Here we use proxies of biological productivity in rare, deep moss banks to infer past surface air temperature changes on the Antarctic Peninsula and identify the drivers of these changes. Late Holocene temperatures are broadly consistent between the low-elevation moss bank records and a high-elevation ice core site, and we conclude that variation in the strength of the westerlies, linked to the Southern Annular Mode, is the most likely driver. Our data do not support a hypothesized persistent temperature dipole over the Antarctic Peninsula related to a strong influence of El Niño–Southern Oscillation. Rates of change in biological productivity on the peninsula over the 20th century are unusual in the context of the late Holocene, and further warming will drive rapid future increases in moss growth and microbial populations. Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula ice core Natural Environment Research Council: NERC Open Research Archive Antarctic The Antarctic Antarctic Peninsula Geology 46 12 1071 1074 |
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Open Polar |
collection |
Natural Environment Research Council: NERC Open Research Archive |
op_collection_id |
ftnerc |
language |
English |
description |
The Antarctic Peninsula experienced a rapid rise in regional temperature during the second half of the 20th century, but the regional pattern of multi-centennial temperature changes and their dynamical drivers remain poorly understood. Here we use proxies of biological productivity in rare, deep moss banks to infer past surface air temperature changes on the Antarctic Peninsula and identify the drivers of these changes. Late Holocene temperatures are broadly consistent between the low-elevation moss bank records and a high-elevation ice core site, and we conclude that variation in the strength of the westerlies, linked to the Southern Annular Mode, is the most likely driver. Our data do not support a hypothesized persistent temperature dipole over the Antarctic Peninsula related to a strong influence of El Niño–Southern Oscillation. Rates of change in biological productivity on the peninsula over the 20th century are unusual in the context of the late Holocene, and further warming will drive rapid future increases in moss growth and microbial populations. |
format |
Article in Journal/Newspaper |
author |
Charman, Dan J. Amesbury, Matthew J Roland, Thomas P Royles, Jessica Hodgson, Dominic A. Convey, Peter Griffiths, Howard |
spellingShingle |
Charman, Dan J. Amesbury, Matthew J Roland, Thomas P Royles, Jessica Hodgson, Dominic A. Convey, Peter Griffiths, Howard Spatially coherent late Holocene Antarctic Peninsula surface air temperature variability |
author_facet |
Charman, Dan J. Amesbury, Matthew J Roland, Thomas P Royles, Jessica Hodgson, Dominic A. Convey, Peter Griffiths, Howard |
author_sort |
Charman, Dan J. |
title |
Spatially coherent late Holocene Antarctic Peninsula surface air temperature variability |
title_short |
Spatially coherent late Holocene Antarctic Peninsula surface air temperature variability |
title_full |
Spatially coherent late Holocene Antarctic Peninsula surface air temperature variability |
title_fullStr |
Spatially coherent late Holocene Antarctic Peninsula surface air temperature variability |
title_full_unstemmed |
Spatially coherent late Holocene Antarctic Peninsula surface air temperature variability |
title_sort |
spatially coherent late holocene antarctic peninsula surface air temperature variability |
publisher |
Geological Society of America |
publishDate |
2018 |
url |
http://nora.nerc.ac.uk/id/eprint/517997/ https://nora.nerc.ac.uk/id/eprint/517997/1/10.1130_G45347.1.pdf https://doi.org/10.1130/G45347.1 |
geographic |
Antarctic The Antarctic Antarctic Peninsula |
geographic_facet |
Antarctic The Antarctic Antarctic Peninsula |
genre |
Antarc* Antarctic Antarctic Peninsula ice core |
genre_facet |
Antarc* Antarctic Antarctic Peninsula ice core |
op_relation |
https://nora.nerc.ac.uk/id/eprint/517997/1/10.1130_G45347.1.pdf Charman, Dan J.; Amesbury, Matthew J; Roland, Thomas P; Royles, Jessica orcid:0000-0003-0489-6863 Hodgson, Dominic A. orcid:0000-0002-3841-3746 Convey, Peter orcid:0000-0001-8497-9903 Griffiths, Howard. 2018 Spatially coherent late Holocene Antarctic Peninsula surface air temperature variability. Geology, 46 (12). 1071-1074. https://doi.org/10.1130/G45347.1 <https://doi.org/10.1130/G45347.1> |
op_rights |
cc_by_4 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1130/G45347.1 |
container_title |
Geology |
container_volume |
46 |
container_issue |
12 |
container_start_page |
1071 |
op_container_end_page |
1074 |
_version_ |
1766251699040681984 |