Multidecadal to millennial marine climate oscillations across the Denmark Strait (~ 66° N) over the last 2000 cal yr BP
In the area of Denmark Strait (~66° N), the two modes of the North Atlantic Oscillation (NAO) and Arctic Oscillation (AO) are expressed in changes of the northward flux of Atlantic water and the southward advection of polar water in the East Iceland current. Proxies from marine cores along an enviro...
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ftnonlinearchiv:oai:noa.gwlb.de:cop_mods_00020573 2023-05-15T14:58:34+02:00 Multidecadal to millennial marine climate oscillations across the Denmark Strait (~ 66° N) over the last 2000 cal yr BP Andrews, J. T. Jennings, A. E. 2014-02 electronic https://doi.org/10.5194/cp-10-325-2014 https://noa.gwlb.de/receive/cop_mods_00020573 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00020528/cp-10-325-2014.pdf https://cp.copernicus.org/articles/10/325/2014/cp-10-325-2014.pdf eng eng Copernicus Publications Climate of the Past -- http://www.copernicus.org/EGU/cp/cp/published_papers.html -- http://www.bibliothek.uni-regensburg.de/ezeit/?2217985 -- 1814-9332 https://doi.org/10.5194/cp-10-325-2014 https://noa.gwlb.de/receive/cop_mods_00020573 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00020528/cp-10-325-2014.pdf https://cp.copernicus.org/articles/10/325/2014/cp-10-325-2014.pdf uneingeschränkt info:eu-repo/semantics/openAccess article Verlagsveröffentlichung article Text doc-type:article 2014 ftnonlinearchiv https://doi.org/10.5194/cp-10-325-2014 2022-02-08T22:52:06Z In the area of Denmark Strait (~66° N), the two modes of the North Atlantic Oscillation (NAO) and Arctic Oscillation (AO) are expressed in changes of the northward flux of Atlantic water and the southward advection of polar water in the East Iceland current. Proxies from marine cores along an environmental gradient from extensive to little or no drift ice, capture low frequency variations over the last 2000 cal yr BP. Key proxies are the weight% of calcite, a measure of surface water stratification and nutrient supply, the weight% of quartz, a measure of drift ice transport, and grain size. Records from Nansen and Kangerlussuaq fjords show variable ice-rafted debris (IRD) records but have distinct mineralogy associated with differences in the fjord catchment bedrock. A comparison between cores on either side of the Denmark Strait (MD99-2322 and MD99-2269) show a remarkable millennial-scale similarity in the trends of the weight% of calcite with a trough reached during the Little Ice Age. However, the quartz records from these two sites are quite different. The calcite records from the Denmark Strait parallel the 2000 yr Arctic summer-temperature reconstructions; analysis of the detrended calcite and quartz data reveal significant multi-decadal–century periodicities superimposed on a major environmental shift occurring ca. 1450 AD. Article in Journal/Newspaper Arctic Denmark Strait Iceland Kangerlussuaq North Atlantic North Atlantic oscillation Niedersächsisches Online-Archiv NOA Arctic Kangerlussuaq ENVELOPE(-55.633,-55.633,72.633,72.633) Climate of the Past 10 1 325 343 |
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Open Polar |
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Niedersächsisches Online-Archiv NOA |
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English |
topic |
article Verlagsveröffentlichung |
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article Verlagsveröffentlichung Andrews, J. T. Jennings, A. E. Multidecadal to millennial marine climate oscillations across the Denmark Strait (~ 66° N) over the last 2000 cal yr BP |
topic_facet |
article Verlagsveröffentlichung |
description |
In the area of Denmark Strait (~66° N), the two modes of the North Atlantic Oscillation (NAO) and Arctic Oscillation (AO) are expressed in changes of the northward flux of Atlantic water and the southward advection of polar water in the East Iceland current. Proxies from marine cores along an environmental gradient from extensive to little or no drift ice, capture low frequency variations over the last 2000 cal yr BP. Key proxies are the weight% of calcite, a measure of surface water stratification and nutrient supply, the weight% of quartz, a measure of drift ice transport, and grain size. Records from Nansen and Kangerlussuaq fjords show variable ice-rafted debris (IRD) records but have distinct mineralogy associated with differences in the fjord catchment bedrock. A comparison between cores on either side of the Denmark Strait (MD99-2322 and MD99-2269) show a remarkable millennial-scale similarity in the trends of the weight% of calcite with a trough reached during the Little Ice Age. However, the quartz records from these two sites are quite different. The calcite records from the Denmark Strait parallel the 2000 yr Arctic summer-temperature reconstructions; analysis of the detrended calcite and quartz data reveal significant multi-decadal–century periodicities superimposed on a major environmental shift occurring ca. 1450 AD. |
format |
Article in Journal/Newspaper |
author |
Andrews, J. T. Jennings, A. E. |
author_facet |
Andrews, J. T. Jennings, A. E. |
author_sort |
Andrews, J. T. |
title |
Multidecadal to millennial marine climate oscillations across the Denmark Strait (~ 66° N) over the last 2000 cal yr BP |
title_short |
Multidecadal to millennial marine climate oscillations across the Denmark Strait (~ 66° N) over the last 2000 cal yr BP |
title_full |
Multidecadal to millennial marine climate oscillations across the Denmark Strait (~ 66° N) over the last 2000 cal yr BP |
title_fullStr |
Multidecadal to millennial marine climate oscillations across the Denmark Strait (~ 66° N) over the last 2000 cal yr BP |
title_full_unstemmed |
Multidecadal to millennial marine climate oscillations across the Denmark Strait (~ 66° N) over the last 2000 cal yr BP |
title_sort |
multidecadal to millennial marine climate oscillations across the denmark strait (~ 66° n) over the last 2000 cal yr bp |
publisher |
Copernicus Publications |
publishDate |
2014 |
url |
https://doi.org/10.5194/cp-10-325-2014 https://noa.gwlb.de/receive/cop_mods_00020573 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00020528/cp-10-325-2014.pdf https://cp.copernicus.org/articles/10/325/2014/cp-10-325-2014.pdf |
long_lat |
ENVELOPE(-55.633,-55.633,72.633,72.633) |
geographic |
Arctic Kangerlussuaq |
geographic_facet |
Arctic Kangerlussuaq |
genre |
Arctic Denmark Strait Iceland Kangerlussuaq North Atlantic North Atlantic oscillation |
genre_facet |
Arctic Denmark Strait Iceland Kangerlussuaq North Atlantic North Atlantic oscillation |
op_relation |
Climate of the Past -- http://www.copernicus.org/EGU/cp/cp/published_papers.html -- http://www.bibliothek.uni-regensburg.de/ezeit/?2217985 -- 1814-9332 https://doi.org/10.5194/cp-10-325-2014 https://noa.gwlb.de/receive/cop_mods_00020573 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00020528/cp-10-325-2014.pdf https://cp.copernicus.org/articles/10/325/2014/cp-10-325-2014.pdf |
op_rights |
uneingeschränkt info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5194/cp-10-325-2014 |
container_title |
Climate of the Past |
container_volume |
10 |
container_issue |
1 |
container_start_page |
325 |
op_container_end_page |
343 |
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1766330705889984512 |