Long-term sea surface temperature and climate change in the Australian-New Zealand region
We compile and compare data for the last 150,000 years from four deep-sea cores in the midlatitude zone of the Southern Hemisphere. We recalculate sea surface temperature estimates derived from foraminifera and compare these with estimates derived from alkenones and magnesium/calcium ratios in foram...
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Amer Geophysical Union
2007
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Online Access: | https://doi.org/10.1029/2006PA001328 https://archimer.ifremer.fr/doc/00238/34941/33245.pdf https://archimer.ifremer.fr/doc/00238/34941/ |
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fttriple:oai:gotriple.eu:10670/1.t1gnlp 2023-05-15T13:58:50+02:00 Long-term sea surface temperature and climate change in the Australian-New Zealand region Barrows, Timothy T. Juggins, Steve De Deckker, Patrick Calvo, Eva Pelejero, Carles 2007-01-01 https://doi.org/10.1029/2006PA001328 https://archimer.ifremer.fr/doc/00238/34941/33245.pdf https://archimer.ifremer.fr/doc/00238/34941/ en eng Amer Geophysical Union doi:10.1029/2006PA001328 10670/1.t1gnlp https://archimer.ifremer.fr/doc/00238/34941/33245.pdf https://archimer.ifremer.fr/doc/00238/34941/ other Archimer, archive institutionnelle de l'Ifremer Paleoceanography (0883-8305) (Amer Geophysical Union), 2007-05 , Vol. 22 , N. 2/PA2215 , P. 1-17 geo envir Text https://vocabularies.coar-repositories.org/resource_types/c_18cf/ 2007 fttriple https://doi.org/10.1029/2006PA001328 2023-01-22T17:37:39Z We compile and compare data for the last 150,000 years from four deep-sea cores in the midlatitude zone of the Southern Hemisphere. We recalculate sea surface temperature estimates derived from foraminifera and compare these with estimates derived from alkenones and magnesium/calcium ratios in foraminiferal carbonate and with accompanying sedimentological and pollen records on a common absolute timescale. Using a stack of the highest-resolution records, we find that first-order climate change occurs in concert with changes in insolation in the Northern Hemisphere. Glacier extent and inferred vegetation changes in Australia and New Zealand vary in tandem with sea surface temperatures, signifying close links between oceanic and terrestrial temperature. In the Southern Ocean, rapid temperature change of the order of 6 degrees C occurs within a few centuries and appears to have played an important role in midlatitude climate change. Sea surface temperature changes over longer periods closely match proxy temperature records from Antarctic ice cores. Warm events correlate with Antarctic events A1-A4 and appear to occur just before Dansgaard-Oeschger events 8, 12, 14, and 17 in Greenland. Text Antarc* Antarctic Dansgaard-Oeschger events glacier Greenland Southern Ocean Unknown Antarctic Greenland New Zealand Southern Ocean Paleoceanography 22 2 |
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geo envir Barrows, Timothy T. Juggins, Steve De Deckker, Patrick Calvo, Eva Pelejero, Carles Long-term sea surface temperature and climate change in the Australian-New Zealand region |
topic_facet |
geo envir |
description |
We compile and compare data for the last 150,000 years from four deep-sea cores in the midlatitude zone of the Southern Hemisphere. We recalculate sea surface temperature estimates derived from foraminifera and compare these with estimates derived from alkenones and magnesium/calcium ratios in foraminiferal carbonate and with accompanying sedimentological and pollen records on a common absolute timescale. Using a stack of the highest-resolution records, we find that first-order climate change occurs in concert with changes in insolation in the Northern Hemisphere. Glacier extent and inferred vegetation changes in Australia and New Zealand vary in tandem with sea surface temperatures, signifying close links between oceanic and terrestrial temperature. In the Southern Ocean, rapid temperature change of the order of 6 degrees C occurs within a few centuries and appears to have played an important role in midlatitude climate change. Sea surface temperature changes over longer periods closely match proxy temperature records from Antarctic ice cores. Warm events correlate with Antarctic events A1-A4 and appear to occur just before Dansgaard-Oeschger events 8, 12, 14, and 17 in Greenland. |
format |
Text |
author |
Barrows, Timothy T. Juggins, Steve De Deckker, Patrick Calvo, Eva Pelejero, Carles |
author_facet |
Barrows, Timothy T. Juggins, Steve De Deckker, Patrick Calvo, Eva Pelejero, Carles |
author_sort |
Barrows, Timothy T. |
title |
Long-term sea surface temperature and climate change in the Australian-New Zealand region |
title_short |
Long-term sea surface temperature and climate change in the Australian-New Zealand region |
title_full |
Long-term sea surface temperature and climate change in the Australian-New Zealand region |
title_fullStr |
Long-term sea surface temperature and climate change in the Australian-New Zealand region |
title_full_unstemmed |
Long-term sea surface temperature and climate change in the Australian-New Zealand region |
title_sort |
long-term sea surface temperature and climate change in the australian-new zealand region |
publisher |
Amer Geophysical Union |
publishDate |
2007 |
url |
https://doi.org/10.1029/2006PA001328 https://archimer.ifremer.fr/doc/00238/34941/33245.pdf https://archimer.ifremer.fr/doc/00238/34941/ |
geographic |
Antarctic Greenland New Zealand Southern Ocean |
geographic_facet |
Antarctic Greenland New Zealand Southern Ocean |
genre |
Antarc* Antarctic Dansgaard-Oeschger events glacier Greenland Southern Ocean |
genre_facet |
Antarc* Antarctic Dansgaard-Oeschger events glacier Greenland Southern Ocean |
op_source |
Archimer, archive institutionnelle de l'Ifremer Paleoceanography (0883-8305) (Amer Geophysical Union), 2007-05 , Vol. 22 , N. 2/PA2215 , P. 1-17 |
op_relation |
doi:10.1029/2006PA001328 10670/1.t1gnlp https://archimer.ifremer.fr/doc/00238/34941/33245.pdf https://archimer.ifremer.fr/doc/00238/34941/ |
op_rights |
other |
op_doi |
https://doi.org/10.1029/2006PA001328 |
container_title |
Paleoceanography |
container_volume |
22 |
container_issue |
2 |
_version_ |
1766267199086919680 |