High-resolution proglacial lake records of pre-Little Ice Age glacier advance, northeast Greenland
Understanding Arctic glacier sensitivity is key to predicting future response to air temperature rise. Previous studies have used proglacial lake sediment records to reconstruct Holocene glacier advance–retreat patterns in South and West Greenland, but high-resolution glacier records from High Arcti...
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Online Access: | https://research.manchester.ac.uk/en/publications/e0e9664e-2ba5-49f5-ae5c-587c7a64b847 https://doi.org/10.1111/bor.12361 |
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ftumanchesterpub:oai:pure.atira.dk:publications/e0e9664e-2ba5-49f5-ae5c-587c7a64b847 2023-11-12T04:11:36+01:00 High-resolution proglacial lake records of pre-Little Ice Age glacier advance, northeast Greenland Adamson, Kathryn Lane, Timothy Carney, Matthew Bishop, Thomas Delaney, Cathy 2018-11-23 https://research.manchester.ac.uk/en/publications/e0e9664e-2ba5-49f5-ae5c-587c7a64b847 https://doi.org/10.1111/bor.12361 eng eng info:eu-repo/semantics/restrictedAccess Adamson , K , Lane , T , Carney , M , Bishop , T & Delaney , C 2018 , ' High-resolution proglacial lake records of pre-Little Ice Age glacier advance, northeast Greenland ' , Boreas , vol. 48 , no. 3 , pp. 535-550 . https://doi.org/10.1111/bor.12361 article 2018 ftumanchesterpub https://doi.org/10.1111/bor.12361 2023-10-30T09:11:22Z Understanding Arctic glacier sensitivity is key to predicting future response to air temperature rise. Previous studies have used proglacial lake sediment records to reconstruct Holocene glacier advance–retreat patterns in South and West Greenland, but high-resolution glacier records from High Arctic Greenland are scarce, despite the sensitivity of this region to future climate change. Detailed geochemical analysis of proglacial lake sediments close to Zackenberg, northeast Greenland, provides the first high-resolution record of Late Holocene High Arctic glacier behaviour. Three phases of glacier advance have occurred in the last 2000 years. The first two phases (c. 1320–800 cal. a BP) occurred prior to the Little Ice Age (LIA), and correspond to the Dark Ages Cold Period and the Medieval Climate Anomaly. The third phase (c. 700 cal. a BP), representing a smaller scale glacier oscillation, is associated with the onset of the LIA. Our results are consistent with recent evidence of pre-LIA glacier advance in other parts of the Arctic, including South and West Greenland, Svalbard, and Canada. The sub-millennial glacier fluctuations identified in the Madsen Lake succession are not preserved in the moraine record. Importantly, coupled XRF and XRD analysis has effectively identified a phase of ice advance that is not visible by sedimentology alone. This highlights the value of high-resolution geochemical analysis of lake sediments to establish rapid glacier advance–retreat patterns in regions where chronological and morphostratigraphical control is limited. Article in Journal/Newspaper Arctic Climate change glacier glacier glacier* Greenland Svalbard Zackenberg The University of Manchester: Research Explorer Boreas 48 3 535 550 |
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The University of Manchester: Research Explorer |
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ftumanchesterpub |
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English |
description |
Understanding Arctic glacier sensitivity is key to predicting future response to air temperature rise. Previous studies have used proglacial lake sediment records to reconstruct Holocene glacier advance–retreat patterns in South and West Greenland, but high-resolution glacier records from High Arctic Greenland are scarce, despite the sensitivity of this region to future climate change. Detailed geochemical analysis of proglacial lake sediments close to Zackenberg, northeast Greenland, provides the first high-resolution record of Late Holocene High Arctic glacier behaviour. Three phases of glacier advance have occurred in the last 2000 years. The first two phases (c. 1320–800 cal. a BP) occurred prior to the Little Ice Age (LIA), and correspond to the Dark Ages Cold Period and the Medieval Climate Anomaly. The third phase (c. 700 cal. a BP), representing a smaller scale glacier oscillation, is associated with the onset of the LIA. Our results are consistent with recent evidence of pre-LIA glacier advance in other parts of the Arctic, including South and West Greenland, Svalbard, and Canada. The sub-millennial glacier fluctuations identified in the Madsen Lake succession are not preserved in the moraine record. Importantly, coupled XRF and XRD analysis has effectively identified a phase of ice advance that is not visible by sedimentology alone. This highlights the value of high-resolution geochemical analysis of lake sediments to establish rapid glacier advance–retreat patterns in regions where chronological and morphostratigraphical control is limited. |
format |
Article in Journal/Newspaper |
author |
Adamson, Kathryn Lane, Timothy Carney, Matthew Bishop, Thomas Delaney, Cathy |
spellingShingle |
Adamson, Kathryn Lane, Timothy Carney, Matthew Bishop, Thomas Delaney, Cathy High-resolution proglacial lake records of pre-Little Ice Age glacier advance, northeast Greenland |
author_facet |
Adamson, Kathryn Lane, Timothy Carney, Matthew Bishop, Thomas Delaney, Cathy |
author_sort |
Adamson, Kathryn |
title |
High-resolution proglacial lake records of pre-Little Ice Age glacier advance, northeast Greenland |
title_short |
High-resolution proglacial lake records of pre-Little Ice Age glacier advance, northeast Greenland |
title_full |
High-resolution proglacial lake records of pre-Little Ice Age glacier advance, northeast Greenland |
title_fullStr |
High-resolution proglacial lake records of pre-Little Ice Age glacier advance, northeast Greenland |
title_full_unstemmed |
High-resolution proglacial lake records of pre-Little Ice Age glacier advance, northeast Greenland |
title_sort |
high-resolution proglacial lake records of pre-little ice age glacier advance, northeast greenland |
publishDate |
2018 |
url |
https://research.manchester.ac.uk/en/publications/e0e9664e-2ba5-49f5-ae5c-587c7a64b847 https://doi.org/10.1111/bor.12361 |
genre |
Arctic Climate change glacier glacier glacier* Greenland Svalbard Zackenberg |
genre_facet |
Arctic Climate change glacier glacier glacier* Greenland Svalbard Zackenberg |
op_source |
Adamson , K , Lane , T , Carney , M , Bishop , T & Delaney , C 2018 , ' High-resolution proglacial lake records of pre-Little Ice Age glacier advance, northeast Greenland ' , Boreas , vol. 48 , no. 3 , pp. 535-550 . https://doi.org/10.1111/bor.12361 |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1111/bor.12361 |
container_title |
Boreas |
container_volume |
48 |
container_issue |
3 |
container_start_page |
535 |
op_container_end_page |
550 |
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1782330625890451456 |