Sub-arctic Holocene climatic and oceanographic variability in Stjernsund, northern Norway: evidence from benthic foraminifera andstable isotopes
A high-resolution record, covering 9.3-0.2ka BP, from the sub-arctic Stjernsund (70 degrees N) was studied for benthic foraminiferal faunas and stable isotopes, revealing three informally named main phases during the Holocene. The Early- to Mid-Holocene (9.3-5.0ka BP) was characterized by the strong...
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ftvliz:oai:oma.vliz.be:231641 2023-05-15T14:51:06+02:00 Sub-arctic Holocene climatic and oceanographic variability in Stjernsund, northern Norway: evidence from benthic foraminifera andstable isotopes Joseph, N. Lopez Correa, M. Schonfeld, J. Rüggeberg, A. Freiwald, A. 2013 http://www.vliz.be/nl/open-marien-archief?module=ref&refid=231641 en eng info:eu-repo/semantics/altIdentifier/wos/000320782800003 info:eu-repo/semantics/altIdentifier/doi/doi.org/10.1111/j.1502-3885.2012.00303.x http://www.vliz.be/nl/open-marien-archief?module=ref&refid=231641 info:eu-repo/semantics/restrictedAccess %3Ci%3EBoreas+42%283%29%3C%2Fi%3E%3A+511-531.+%3Ca+href%3D%22https%3A%2F%2Fdx.doi.org%2F10.1111%2Fj.1502-3885.2012.00303.x%22+target%3D%22_blank%22%3Ehttps%3A%2F%2Fdx.doi.org%2F10.1111%2Fj.1502-3885.2012.00303.x%3C%2Fa%3E Holocene Foraminifera [hole bearers] ANE Sweden info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2013 ftvliz https://doi.org/10.1111/j.1502-3885.2012.00303.x 2022-05-01T13:34:05Z A high-resolution record, covering 9.3-0.2ka BP, from the sub-arctic Stjernsund (70 degrees N) was studied for benthic foraminiferal faunas and stable isotopes, revealing three informally named main phases during the Holocene. The Early- to Mid-Holocene (9.3-5.0ka BP) was characterized by the strong influence of the North Atlantic Current (NAC), which prevented the reflection of the Holocene Climatic Optimum (HCO) in the bottom-water temperature. During the Mid-Holocene Transition (5.0-2.5ka BP), a turnover of benthic foraminiferal faunas occurred, Atlantic Water species decreased while Arctic-Polar species increased, and the oxygen isotope record showed larger fluctuations. Those variations correspond to a period of global climate change, to spatially more heterogeneous benthic foraminiferal faunas in the Nordic Seas region, and to regionally diverging terrestrial temperatures. The Cool Late Holocene (2.5-0.2ka BP) was characterized by increased abundances of Arctic-Polar species and a steady cooling trend reflected in the oxygen isotopes. In this period, our record differs considerably from those on the SW Barents Sea shelf and locations farther south. Therefore, we argue that regional atmospheric cooling triggered the late Holocene cooling trend. Several cold episodes centred at approximate to 8.3, approximate to 7.8, approximate to 6.5, approximate to 4.9, approximate to 3.9 and approximate to 3.3ka BP were identified from the benthic foraminiferal faunas and the 18O record, which correlated with marine and atmospherically driven proxy records. This suggests that short-term cold events may result from reduced heat advection via the NAC or from colder air temperatures. Article in Journal/Newspaper Arctic Barents Sea Climate change Foraminifera* Nordic Seas north atlantic current North Atlantic Northern Norway Flanders Marine Institute (VLIZ): Open Marine Archive (OMA) Arctic Barents Sea Norway Boreas 42 3 511 531 |
institution |
Open Polar |
collection |
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA) |
op_collection_id |
ftvliz |
language |
English |
topic |
Holocene Foraminifera [hole bearers] ANE Sweden |
spellingShingle |
Holocene Foraminifera [hole bearers] ANE Sweden Joseph, N. Lopez Correa, M. Schonfeld, J. Rüggeberg, A. Freiwald, A. Sub-arctic Holocene climatic and oceanographic variability in Stjernsund, northern Norway: evidence from benthic foraminifera andstable isotopes |
topic_facet |
Holocene Foraminifera [hole bearers] ANE Sweden |
description |
A high-resolution record, covering 9.3-0.2ka BP, from the sub-arctic Stjernsund (70 degrees N) was studied for benthic foraminiferal faunas and stable isotopes, revealing three informally named main phases during the Holocene. The Early- to Mid-Holocene (9.3-5.0ka BP) was characterized by the strong influence of the North Atlantic Current (NAC), which prevented the reflection of the Holocene Climatic Optimum (HCO) in the bottom-water temperature. During the Mid-Holocene Transition (5.0-2.5ka BP), a turnover of benthic foraminiferal faunas occurred, Atlantic Water species decreased while Arctic-Polar species increased, and the oxygen isotope record showed larger fluctuations. Those variations correspond to a period of global climate change, to spatially more heterogeneous benthic foraminiferal faunas in the Nordic Seas region, and to regionally diverging terrestrial temperatures. The Cool Late Holocene (2.5-0.2ka BP) was characterized by increased abundances of Arctic-Polar species and a steady cooling trend reflected in the oxygen isotopes. In this period, our record differs considerably from those on the SW Barents Sea shelf and locations farther south. Therefore, we argue that regional atmospheric cooling triggered the late Holocene cooling trend. Several cold episodes centred at approximate to 8.3, approximate to 7.8, approximate to 6.5, approximate to 4.9, approximate to 3.9 and approximate to 3.3ka BP were identified from the benthic foraminiferal faunas and the 18O record, which correlated with marine and atmospherically driven proxy records. This suggests that short-term cold events may result from reduced heat advection via the NAC or from colder air temperatures. |
format |
Article in Journal/Newspaper |
author |
Joseph, N. Lopez Correa, M. Schonfeld, J. Rüggeberg, A. Freiwald, A. |
author_facet |
Joseph, N. Lopez Correa, M. Schonfeld, J. Rüggeberg, A. Freiwald, A. |
author_sort |
Joseph, N. |
title |
Sub-arctic Holocene climatic and oceanographic variability in Stjernsund, northern Norway: evidence from benthic foraminifera andstable isotopes |
title_short |
Sub-arctic Holocene climatic and oceanographic variability in Stjernsund, northern Norway: evidence from benthic foraminifera andstable isotopes |
title_full |
Sub-arctic Holocene climatic and oceanographic variability in Stjernsund, northern Norway: evidence from benthic foraminifera andstable isotopes |
title_fullStr |
Sub-arctic Holocene climatic and oceanographic variability in Stjernsund, northern Norway: evidence from benthic foraminifera andstable isotopes |
title_full_unstemmed |
Sub-arctic Holocene climatic and oceanographic variability in Stjernsund, northern Norway: evidence from benthic foraminifera andstable isotopes |
title_sort |
sub-arctic holocene climatic and oceanographic variability in stjernsund, northern norway: evidence from benthic foraminifera andstable isotopes |
publishDate |
2013 |
url |
http://www.vliz.be/nl/open-marien-archief?module=ref&refid=231641 |
geographic |
Arctic Barents Sea Norway |
geographic_facet |
Arctic Barents Sea Norway |
genre |
Arctic Barents Sea Climate change Foraminifera* Nordic Seas north atlantic current North Atlantic Northern Norway |
genre_facet |
Arctic Barents Sea Climate change Foraminifera* Nordic Seas north atlantic current North Atlantic Northern Norway |
op_source |
%3Ci%3EBoreas+42%283%29%3C%2Fi%3E%3A+511-531.+%3Ca+href%3D%22https%3A%2F%2Fdx.doi.org%2F10.1111%2Fj.1502-3885.2012.00303.x%22+target%3D%22_blank%22%3Ehttps%3A%2F%2Fdx.doi.org%2F10.1111%2Fj.1502-3885.2012.00303.x%3C%2Fa%3E |
op_relation |
info:eu-repo/semantics/altIdentifier/wos/000320782800003 info:eu-repo/semantics/altIdentifier/doi/doi.org/10.1111/j.1502-3885.2012.00303.x http://www.vliz.be/nl/open-marien-archief?module=ref&refid=231641 |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1111/j.1502-3885.2012.00303.x |
container_title |
Boreas |
container_volume |
42 |
container_issue |
3 |
container_start_page |
511 |
op_container_end_page |
531 |
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1766322164137459712 |