Late Holocene glacial advance and ice shelf growth in Barilari Bay, Graham Land, west Antarctic Peninsula
Three marine sediment cores were collected along the length of the fjord axis of Barilari Bay, Graham Land, west Antarctic Peninsula (65°55′S, 64°43′W). Multi-proxy analytical results constrained by high-resolution geochronological methods (210Pb, radiocarbon, 137Cs) in concert with historical obser...
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ftunivgent:oai:archive.ugent.be:8543532 2023-06-11T04:05:54+02:00 Late Holocene glacial advance and ice shelf growth in Barilari Bay, Graham Land, west Antarctic Peninsula Christ, Andrew J Talaia-Murray, Manique Elking, Natalie Domack, Eugene W Leventer, Amy Lavoie, Caroline Brachfeld, Stefanie Yoo, Kyu-Cheul Gilbert, Robert Jeong, Sun-Mi Petrushak, Stephen Wellner, Julia LARISSA group, the De Batist, Marc Henriet, Jean 2015 application/pdf https://biblio.ugent.be/publication/8543532 http://hdl.handle.net/1854/LU-8543532 https://doi.org/10.1130/B31035.1 https://biblio.ugent.be/publication/8543532/file/8543533 eng eng https://biblio.ugent.be/publication/8543532 http://hdl.handle.net/1854/LU-8543532 http://dx.doi.org/10.1130/B31035.1 https://biblio.ugent.be/publication/8543532/file/8543533 No license (in copyright) info:eu-repo/semantics/restrictedAccess GEOLOGICAL SOCIETY OF AMERICA BULLETIN ISSN: 0016-7606 ISSN: 1943-2674 Earth and Environmental Sciences NEW-ZEALAND PALEOENVIRONMENTAL CHANGE SOUTHERN CHILE LAKE-SEDIMENTS PALMER-DEEP FLUCTUATIONS HISTORY RETREAT RECORD ISLAND journalArticle info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2015 ftunivgent https://doi.org/10.1130/B31035.1 2023-05-10T22:29:08Z Three marine sediment cores were collected along the length of the fjord axis of Barilari Bay, Graham Land, west Antarctic Peninsula (65°55′S, 64°43′W). Multi-proxy analytical results constrained by high-resolution geochronological methods (210Pb, radiocarbon, 137Cs) in concert with historical observations capture a record of Holocene paleoenvironmental variability. Our results suggest early and middle Holocene (>7022–2815 cal. [calibrated] yr B.P.) retreated glacial positions and seasonally open marine conditions with increased primary productivity. Climatic cooling increased sea ice coverage and decreased primary productivity during the Neoglacial (2815 to cal. 730 cal. yr B.P.). This climatic cooling culminated with glacial advance to maximum Holocene positions and expansion of a fjord-wide ice shelf during the Little Ice Age (LIA) (ca. 730–82 cal. yr B.P.). Seasonally open marine conditions were achieved and remnant ice shelves decayed within the context of recent rapid regional warming (82 cal. yr B.P. to present). Our findings agree with previously observed late Holocene cooling and glacial advance across the Antarctic Peninsula, suggesting that the LIA was a regionally significant event with few disparities in timing and magnitude. Comparison of the LIA Antarctic Peninsula record to the rest of the Southern Hemisphere demonstrates close synchronicity in the southeast Pacific and southern most Atlantic region but less coherence for the southwest Pacific and Indian Oceans. Comparisons with the Northern Hemisphere demonstrate that the LIA Antarctic Peninsula record was contemporaneous with pre-LIA cooling and sea ice expansion in the North Atlantic-Arctic, suggesting a global reach for these events. Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Arctic Atlantic Arctic Atlantic-Arctic Graham Land Ice Shelf Ice Shelves North Atlantic Sea ice Ghent University Academic Bibliography Arctic Antarctic The Antarctic Antarctic Peninsula Pacific Indian New Zealand Graham Land ENVELOPE(-63.500,-63.500,-66.000,-66.000) Palmer Deep ENVELOPE(-64.400,-64.400,-64.950,-64.950) Barilari ENVELOPE(-64.700,-64.700,-65.916,-65.916) Barilari Bay ENVELOPE(-64.833,-64.833,-65.833,-65.833) Geological Society of America Bulletin 127 1-2 297 315 |
institution |
Open Polar |
collection |
Ghent University Academic Bibliography |
op_collection_id |
ftunivgent |
language |
English |
topic |
Earth and Environmental Sciences NEW-ZEALAND PALEOENVIRONMENTAL CHANGE SOUTHERN CHILE LAKE-SEDIMENTS PALMER-DEEP FLUCTUATIONS HISTORY RETREAT RECORD ISLAND |
spellingShingle |
Earth and Environmental Sciences NEW-ZEALAND PALEOENVIRONMENTAL CHANGE SOUTHERN CHILE LAKE-SEDIMENTS PALMER-DEEP FLUCTUATIONS HISTORY RETREAT RECORD ISLAND Christ, Andrew J Talaia-Murray, Manique Elking, Natalie Domack, Eugene W Leventer, Amy Lavoie, Caroline Brachfeld, Stefanie Yoo, Kyu-Cheul Gilbert, Robert Jeong, Sun-Mi Petrushak, Stephen Wellner, Julia LARISSA group, the De Batist, Marc Henriet, Jean Late Holocene glacial advance and ice shelf growth in Barilari Bay, Graham Land, west Antarctic Peninsula |
topic_facet |
Earth and Environmental Sciences NEW-ZEALAND PALEOENVIRONMENTAL CHANGE SOUTHERN CHILE LAKE-SEDIMENTS PALMER-DEEP FLUCTUATIONS HISTORY RETREAT RECORD ISLAND |
description |
Three marine sediment cores were collected along the length of the fjord axis of Barilari Bay, Graham Land, west Antarctic Peninsula (65°55′S, 64°43′W). Multi-proxy analytical results constrained by high-resolution geochronological methods (210Pb, radiocarbon, 137Cs) in concert with historical observations capture a record of Holocene paleoenvironmental variability. Our results suggest early and middle Holocene (>7022–2815 cal. [calibrated] yr B.P.) retreated glacial positions and seasonally open marine conditions with increased primary productivity. Climatic cooling increased sea ice coverage and decreased primary productivity during the Neoglacial (2815 to cal. 730 cal. yr B.P.). This climatic cooling culminated with glacial advance to maximum Holocene positions and expansion of a fjord-wide ice shelf during the Little Ice Age (LIA) (ca. 730–82 cal. yr B.P.). Seasonally open marine conditions were achieved and remnant ice shelves decayed within the context of recent rapid regional warming (82 cal. yr B.P. to present). Our findings agree with previously observed late Holocene cooling and glacial advance across the Antarctic Peninsula, suggesting that the LIA was a regionally significant event with few disparities in timing and magnitude. Comparison of the LIA Antarctic Peninsula record to the rest of the Southern Hemisphere demonstrates close synchronicity in the southeast Pacific and southern most Atlantic region but less coherence for the southwest Pacific and Indian Oceans. Comparisons with the Northern Hemisphere demonstrate that the LIA Antarctic Peninsula record was contemporaneous with pre-LIA cooling and sea ice expansion in the North Atlantic-Arctic, suggesting a global reach for these events. |
format |
Article in Journal/Newspaper |
author |
Christ, Andrew J Talaia-Murray, Manique Elking, Natalie Domack, Eugene W Leventer, Amy Lavoie, Caroline Brachfeld, Stefanie Yoo, Kyu-Cheul Gilbert, Robert Jeong, Sun-Mi Petrushak, Stephen Wellner, Julia LARISSA group, the De Batist, Marc Henriet, Jean |
author_facet |
Christ, Andrew J Talaia-Murray, Manique Elking, Natalie Domack, Eugene W Leventer, Amy Lavoie, Caroline Brachfeld, Stefanie Yoo, Kyu-Cheul Gilbert, Robert Jeong, Sun-Mi Petrushak, Stephen Wellner, Julia LARISSA group, the De Batist, Marc Henriet, Jean |
author_sort |
Christ, Andrew J |
title |
Late Holocene glacial advance and ice shelf growth in Barilari Bay, Graham Land, west Antarctic Peninsula |
title_short |
Late Holocene glacial advance and ice shelf growth in Barilari Bay, Graham Land, west Antarctic Peninsula |
title_full |
Late Holocene glacial advance and ice shelf growth in Barilari Bay, Graham Land, west Antarctic Peninsula |
title_fullStr |
Late Holocene glacial advance and ice shelf growth in Barilari Bay, Graham Land, west Antarctic Peninsula |
title_full_unstemmed |
Late Holocene glacial advance and ice shelf growth in Barilari Bay, Graham Land, west Antarctic Peninsula |
title_sort |
late holocene glacial advance and ice shelf growth in barilari bay, graham land, west antarctic peninsula |
publishDate |
2015 |
url |
https://biblio.ugent.be/publication/8543532 http://hdl.handle.net/1854/LU-8543532 https://doi.org/10.1130/B31035.1 https://biblio.ugent.be/publication/8543532/file/8543533 |
long_lat |
ENVELOPE(-63.500,-63.500,-66.000,-66.000) ENVELOPE(-64.400,-64.400,-64.950,-64.950) ENVELOPE(-64.700,-64.700,-65.916,-65.916) ENVELOPE(-64.833,-64.833,-65.833,-65.833) |
geographic |
Arctic Antarctic The Antarctic Antarctic Peninsula Pacific Indian New Zealand Graham Land Palmer Deep Barilari Barilari Bay |
geographic_facet |
Arctic Antarctic The Antarctic Antarctic Peninsula Pacific Indian New Zealand Graham Land Palmer Deep Barilari Barilari Bay |
genre |
Antarc* Antarctic Antarctic Peninsula Arctic Atlantic Arctic Atlantic-Arctic Graham Land Ice Shelf Ice Shelves North Atlantic Sea ice |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Arctic Atlantic Arctic Atlantic-Arctic Graham Land Ice Shelf Ice Shelves North Atlantic Sea ice |
op_source |
GEOLOGICAL SOCIETY OF AMERICA BULLETIN ISSN: 0016-7606 ISSN: 1943-2674 |
op_relation |
https://biblio.ugent.be/publication/8543532 http://hdl.handle.net/1854/LU-8543532 http://dx.doi.org/10.1130/B31035.1 https://biblio.ugent.be/publication/8543532/file/8543533 |
op_rights |
No license (in copyright) info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1130/B31035.1 |
container_title |
Geological Society of America Bulletin |
container_volume |
127 |
container_issue |
1-2 |
container_start_page |
297 |
op_container_end_page |
315 |
_version_ |
1768377581464190976 |