Identification of Atlantic water inflow on the north Svalbard shelf during the Holocene
MP thanks the ERASMUS + programme for the financial support during her secondment at the University of St Andrews. Nordaustlandet is located in the northeastern part of the Svalbard archipelago, within the northernmost reach of the West Spitsbergen Current. This current transports Atlantic water to...
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ftstandrewserep:oai:research-repository.st-andrews.ac.uk:10023/26104 2023-07-02T03:31:25+02:00 Identification of Atlantic water inflow on the north Svalbard shelf during the Holocene Peral, Marion Austin, William Noormets, Riko University of St Andrews. Environmental Change Research Group University of St Andrews. Coastal Resources Management Group University of St Andrews. School of Geography & Sustainable Development University of St Andrews. Marine Alliance for Science & Technology Scotland University of St Andrews. Scottish Oceans Institute University of St Andrews. St Andrews Sustainability Institute 2022-09-30 application/pdf http://hdl.handle.net/10023/26104 https://doi.org/10.1002/jqs.3374 eng eng Journal of Quaternary Science Peral , M , Austin , W & Noormets , R 2021 , ' Identification of Atlantic water inflow on the north Svalbard shelf during the Holocene ' , Journal of Quaternary Science , vol. Early View . https://doi.org/10.1002/jqs.3374 0267-8179 PURE: 276054037 PURE UUID: 224fb8eb-39cb-40da-b859-75bb541a6323 Scopus: 85116035923 WOS: 000701536500001 http://hdl.handle.net/10023/26104 https://doi.org/10.1002/jqs.3374 Copyright © 2021 John Wiley & Sons, Ltd. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1002/jqs.3374 Paleoenvironment and paleoceanographic reconstructions Nordaustlandet Rijpfjorden Benthic foraminifera Sediments GC Oceanography GB Physical geography DAS SDG 14 - Life Below Water GC GB Journal article 2022 ftstandrewserep https://doi.org/10.1002/jqs.3374 2023-06-13T18:27:03Z MP thanks the ERASMUS + programme for the financial support during her secondment at the University of St Andrews. Nordaustlandet is located in the northeastern part of the Svalbard archipelago, within the northernmost reach of the West Spitsbergen Current. This current transports Atlantic water to the Arctic Ocean along the western and northern Svalbard margins. This region is well-suited for reconstructing the history of changing Atlantic water inflow to the Arctic Ocean. We studied the marine sediment core HH12-04-GC from Rijpfjorden. Benthic foraminiferal assemblages and sedimentological data are combined to reconstruct the paleoenvironment of the fjord from the end of the last local deglaciation to the late Holocene. The local deglaciation, between 11.3 and 10.6 cal. ka BP, was dominated by active glacier calving processes, associated with a strong inflow of Atlantic water. This led to the establishment of glaciomarine conditions. The Holocene was initially characterized by a relatively stable and warm environment associated with a strong contribution of Atlantic water. Glaciomarine influence progressively decreases after 9.7 cal. ka BP and Atlantic water contribution increases. The late Holocene display similar environment to today, with the influence of glaciomarine conditions and limited Atlantic water inflow. These results confirm that Atlantic water inflows made a continuous contribution to northern Nordaustlandet throughout the postglacial period. Postprint Peer reviewed Article in Journal/Newspaper Arctic Arctic Ocean Foraminifera* glacier Nordaustlandet Rijpfjord* Svalbard Spitsbergen University of St Andrews: Digital Research Repository Arctic Arctic Ocean Nordaustlandet ENVELOPE(22.400,22.400,79.800,79.800) Rijpfjorden ENVELOPE(22.188,22.188,80.165,80.165) Svalbard Svalbard Archipelago Journal of Quaternary Science 37 1 86 99 |
institution |
Open Polar |
collection |
University of St Andrews: Digital Research Repository |
op_collection_id |
ftstandrewserep |
language |
English |
topic |
Paleoenvironment and paleoceanographic reconstructions Nordaustlandet Rijpfjorden Benthic foraminifera Sediments GC Oceanography GB Physical geography DAS SDG 14 - Life Below Water GC GB |
spellingShingle |
Paleoenvironment and paleoceanographic reconstructions Nordaustlandet Rijpfjorden Benthic foraminifera Sediments GC Oceanography GB Physical geography DAS SDG 14 - Life Below Water GC GB Peral, Marion Austin, William Noormets, Riko Identification of Atlantic water inflow on the north Svalbard shelf during the Holocene |
topic_facet |
Paleoenvironment and paleoceanographic reconstructions Nordaustlandet Rijpfjorden Benthic foraminifera Sediments GC Oceanography GB Physical geography DAS SDG 14 - Life Below Water GC GB |
description |
MP thanks the ERASMUS + programme for the financial support during her secondment at the University of St Andrews. Nordaustlandet is located in the northeastern part of the Svalbard archipelago, within the northernmost reach of the West Spitsbergen Current. This current transports Atlantic water to the Arctic Ocean along the western and northern Svalbard margins. This region is well-suited for reconstructing the history of changing Atlantic water inflow to the Arctic Ocean. We studied the marine sediment core HH12-04-GC from Rijpfjorden. Benthic foraminiferal assemblages and sedimentological data are combined to reconstruct the paleoenvironment of the fjord from the end of the last local deglaciation to the late Holocene. The local deglaciation, between 11.3 and 10.6 cal. ka BP, was dominated by active glacier calving processes, associated with a strong inflow of Atlantic water. This led to the establishment of glaciomarine conditions. The Holocene was initially characterized by a relatively stable and warm environment associated with a strong contribution of Atlantic water. Glaciomarine influence progressively decreases after 9.7 cal. ka BP and Atlantic water contribution increases. The late Holocene display similar environment to today, with the influence of glaciomarine conditions and limited Atlantic water inflow. These results confirm that Atlantic water inflows made a continuous contribution to northern Nordaustlandet throughout the postglacial period. Postprint Peer reviewed |
author2 |
University of St Andrews. Environmental Change Research Group University of St Andrews. Coastal Resources Management Group University of St Andrews. School of Geography & Sustainable Development University of St Andrews. Marine Alliance for Science & Technology Scotland University of St Andrews. Scottish Oceans Institute University of St Andrews. St Andrews Sustainability Institute |
format |
Article in Journal/Newspaper |
author |
Peral, Marion Austin, William Noormets, Riko |
author_facet |
Peral, Marion Austin, William Noormets, Riko |
author_sort |
Peral, Marion |
title |
Identification of Atlantic water inflow on the north Svalbard shelf during the Holocene |
title_short |
Identification of Atlantic water inflow on the north Svalbard shelf during the Holocene |
title_full |
Identification of Atlantic water inflow on the north Svalbard shelf during the Holocene |
title_fullStr |
Identification of Atlantic water inflow on the north Svalbard shelf during the Holocene |
title_full_unstemmed |
Identification of Atlantic water inflow on the north Svalbard shelf during the Holocene |
title_sort |
identification of atlantic water inflow on the north svalbard shelf during the holocene |
publishDate |
2022 |
url |
http://hdl.handle.net/10023/26104 https://doi.org/10.1002/jqs.3374 |
long_lat |
ENVELOPE(22.400,22.400,79.800,79.800) ENVELOPE(22.188,22.188,80.165,80.165) |
geographic |
Arctic Arctic Ocean Nordaustlandet Rijpfjorden Svalbard Svalbard Archipelago |
geographic_facet |
Arctic Arctic Ocean Nordaustlandet Rijpfjorden Svalbard Svalbard Archipelago |
genre |
Arctic Arctic Ocean Foraminifera* glacier Nordaustlandet Rijpfjord* Svalbard Spitsbergen |
genre_facet |
Arctic Arctic Ocean Foraminifera* glacier Nordaustlandet Rijpfjord* Svalbard Spitsbergen |
op_relation |
Journal of Quaternary Science Peral , M , Austin , W & Noormets , R 2021 , ' Identification of Atlantic water inflow on the north Svalbard shelf during the Holocene ' , Journal of Quaternary Science , vol. Early View . https://doi.org/10.1002/jqs.3374 0267-8179 PURE: 276054037 PURE UUID: 224fb8eb-39cb-40da-b859-75bb541a6323 Scopus: 85116035923 WOS: 000701536500001 http://hdl.handle.net/10023/26104 https://doi.org/10.1002/jqs.3374 |
op_rights |
Copyright © 2021 John Wiley & Sons, Ltd. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1002/jqs.3374 |
op_doi |
https://doi.org/10.1002/jqs.3374 |
container_title |
Journal of Quaternary Science |
container_volume |
37 |
container_issue |
1 |
container_start_page |
86 |
op_container_end_page |
99 |
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1770270814135910400 |