A 700-year record of atmospheric circulation developed from the Law Dome ice core, East Antarctica
A 700-year, high-resolution, multivariate ice core record from Dome Summit South (DSS) (6646'S, 11248'E; 1370 m), Law Dome, is used to investigate sea level pressure (SLP) variability in the region of East Antarctica. Empirical orthogonal function (EOF) analysis reveals that the first EOF...
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ftunivtasecite:oai:ecite.utas.edu.au:26083 2023-05-15T13:59:07+02:00 A 700-year record of atmospheric circulation developed from the Law Dome ice core, East Antarctica Souney, JM Mayewski, PA Goodwin, ID Meeker, LD Morgan, VI Curran, MAJ van Ommen, TD Palmer, AS 2002 https://doi.org/10.1029/2002JD002104 http://ecite.utas.edu.au/26083 en eng American Geophysical Union http://dx.doi.org/10.1029/2002JD002104 Souney, JM and Mayewski, PA and Goodwin, ID and Meeker, LD and Morgan, VI and Curran, MAJ and van Ommen, TD and Palmer, AS, A 700-year record of atmospheric circulation developed from the Law Dome ice core, East Antarctica, Journal of Geophysical Research, 107, (D22) pp. 4608. ISSN 0148-0227 (2002) [Refereed Article] http://ecite.utas.edu.au/26083 Earth Sciences Physical Geography and Environmental Geoscience Palaeoclimatology Refereed Article PeerReviewed 2002 ftunivtasecite https://doi.org/10.1029/2002JD002104 2019-12-13T21:07:04Z A 700-year, high-resolution, multivariate ice core record from Dome Summit South (DSS) (6646'S, 11248'E; 1370 m), Law Dome, is used to investigate sea level pressure (SLP) variability in the region of East Antarctica. Empirical orthogonal function (EOF) analysis reveals that the first EOF (LDEOF1) of the combined glaciochemical, oxygen isotope ratio, and accumulation rate record from DSS represents most of the variability in sea salt seen in the record. LDEOF1 is positively correlated (at least 95% confidence level) to instrumental June mean SLP across most of East Antarctica. Over the last 700 years, LDEOF1 levels at Law Dome were the highest during the nineteenth century, suggesting an increase in intensification of winter circulation during this period. The Law Dome DSS oxygen isotope ratio series also indicates that the nineteenth century had the coldest winters of any century in the record. In contrast, LDEOF1 levels were the lowest at Law Dome during the eighteenth century, suggesting a significant shift in the patterns and/or intensity of East Antarctic atmospheric circulation between the eighteenth and the nineteenth centuries. The LDEOF1 sea salt record is characterized by significant decadal-scale variability with a strong 25-year periodic structure. Copyright 2002 by the American Geophysical Union. Article in Journal/Newspaper Antarc* Antarctic Antarctica Antarctica Journal East Antarctica ice core eCite UTAS (University of Tasmania) Antarctic East Antarctica Law Dome ENVELOPE(112.833,112.833,-66.733,-66.733) Journal of Geophysical Research 107 D22 |
institution |
Open Polar |
collection |
eCite UTAS (University of Tasmania) |
op_collection_id |
ftunivtasecite |
language |
English |
topic |
Earth Sciences Physical Geography and Environmental Geoscience Palaeoclimatology |
spellingShingle |
Earth Sciences Physical Geography and Environmental Geoscience Palaeoclimatology Souney, JM Mayewski, PA Goodwin, ID Meeker, LD Morgan, VI Curran, MAJ van Ommen, TD Palmer, AS A 700-year record of atmospheric circulation developed from the Law Dome ice core, East Antarctica |
topic_facet |
Earth Sciences Physical Geography and Environmental Geoscience Palaeoclimatology |
description |
A 700-year, high-resolution, multivariate ice core record from Dome Summit South (DSS) (6646'S, 11248'E; 1370 m), Law Dome, is used to investigate sea level pressure (SLP) variability in the region of East Antarctica. Empirical orthogonal function (EOF) analysis reveals that the first EOF (LDEOF1) of the combined glaciochemical, oxygen isotope ratio, and accumulation rate record from DSS represents most of the variability in sea salt seen in the record. LDEOF1 is positively correlated (at least 95% confidence level) to instrumental June mean SLP across most of East Antarctica. Over the last 700 years, LDEOF1 levels at Law Dome were the highest during the nineteenth century, suggesting an increase in intensification of winter circulation during this period. The Law Dome DSS oxygen isotope ratio series also indicates that the nineteenth century had the coldest winters of any century in the record. In contrast, LDEOF1 levels were the lowest at Law Dome during the eighteenth century, suggesting a significant shift in the patterns and/or intensity of East Antarctic atmospheric circulation between the eighteenth and the nineteenth centuries. The LDEOF1 sea salt record is characterized by significant decadal-scale variability with a strong 25-year periodic structure. Copyright 2002 by the American Geophysical Union. |
format |
Article in Journal/Newspaper |
author |
Souney, JM Mayewski, PA Goodwin, ID Meeker, LD Morgan, VI Curran, MAJ van Ommen, TD Palmer, AS |
author_facet |
Souney, JM Mayewski, PA Goodwin, ID Meeker, LD Morgan, VI Curran, MAJ van Ommen, TD Palmer, AS |
author_sort |
Souney, JM |
title |
A 700-year record of atmospheric circulation developed from the Law Dome ice core, East Antarctica |
title_short |
A 700-year record of atmospheric circulation developed from the Law Dome ice core, East Antarctica |
title_full |
A 700-year record of atmospheric circulation developed from the Law Dome ice core, East Antarctica |
title_fullStr |
A 700-year record of atmospheric circulation developed from the Law Dome ice core, East Antarctica |
title_full_unstemmed |
A 700-year record of atmospheric circulation developed from the Law Dome ice core, East Antarctica |
title_sort |
700-year record of atmospheric circulation developed from the law dome ice core, east antarctica |
publisher |
American Geophysical Union |
publishDate |
2002 |
url |
https://doi.org/10.1029/2002JD002104 http://ecite.utas.edu.au/26083 |
long_lat |
ENVELOPE(112.833,112.833,-66.733,-66.733) |
geographic |
Antarctic East Antarctica Law Dome |
geographic_facet |
Antarctic East Antarctica Law Dome |
genre |
Antarc* Antarctic Antarctica Antarctica Journal East Antarctica ice core |
genre_facet |
Antarc* Antarctic Antarctica Antarctica Journal East Antarctica ice core |
op_relation |
http://dx.doi.org/10.1029/2002JD002104 Souney, JM and Mayewski, PA and Goodwin, ID and Meeker, LD and Morgan, VI and Curran, MAJ and van Ommen, TD and Palmer, AS, A 700-year record of atmospheric circulation developed from the Law Dome ice core, East Antarctica, Journal of Geophysical Research, 107, (D22) pp. 4608. ISSN 0148-0227 (2002) [Refereed Article] http://ecite.utas.edu.au/26083 |
op_doi |
https://doi.org/10.1029/2002JD002104 |
container_title |
Journal of Geophysical Research |
container_volume |
107 |
container_issue |
D22 |
_version_ |
1766267527723220992 |