Hydrographic variability of Denmark Strait Overflow Water near Cape Farewell with multi-decadal to weekly time scales
Data in temperature and salinity from near-bottom layer of Denmark Strait Overflow Water in the Irminger Sea near 60 degrees N are presented. These are hydrographic section data from data archives, literature, and CTD observations along the former WOCE AR7E line, as well as data from continuous meas...
Published in: | Deep Sea Research Part I: Oceanographic Research Papers |
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Language: | English |
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ftnioz:oai:imis.nioz.nl:231025 2023-05-15T15:51:50+02:00 Hydrographic variability of Denmark Strait Overflow Water near Cape Farewell with multi-decadal to weekly time scales van Aken, H.M. de Jong, M.F. 2012 http://imis.nioz.nl/imis.php?module=ref&refid=231025 en eng info:eu-repo/semantics/altIdentifier/wos/000307621000004 info:eu-repo/semantics/altIdentifier/doi/doi.org/10.1016/j.dsr.2012.04.004 http://imis.nioz.nl/imis.php?module=ref&refid=231025 info:eu-repo/semantics/closedAccess %3Ci%3EDeep-Sea+Res.,+Part+1,+Oceanogr.+Res.+Pap.+66%3C%2Fi%3E%3A+41-50.+%3Ca+href%3D%22https%3A%2F%2Fdx.doi.org%2F10.1016%2Fj.dsr.2012.04.004%22+target%3D%22_blank%22%3Ehttps%3A%2F%2Fdx.doi.org%2F10.1016%2Fj.dsr.2012.04.004%3C%2Fa%3E info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2012 ftnioz https://doi.org/10.1016/j.dsr.2012.04.004 2022-05-01T13:56:52Z Data in temperature and salinity from near-bottom layer of Denmark Strait Overflow Water in the Irminger Sea near 60 degrees N are presented. These are hydrographic section data from data archives, literature, and CTD observations along the former WOCE AR7E line, as well as data from continuous measurements at two locations. For both salinity and temperature, hydrographic variability was present at all time scales that could be analysed, from multi-decadal to weekly. A mechanistic explanation for the primal cause of the hydrographic variability is still lacking. The direct cause of the observed variability has to be sought in variations of the properties of the source water types involved in the overflow across the sill in Denmark Strait, variations in the mutual ratios of these source water types, and in inhomogeneities in the DSOW layer. The strongest changes occurred at the longest time scales, as is often found for ultimately randomly forced geophysical time series. However, a significant annual cycle of the DSOW, not reported before, was observed at the foot of the East Greenland continental slope, likely a deterministic contribution to the hydrographic variability signal. Article in Journal/Newspaper Cape Farewell Denmark Strait East Greenland Greenland NIOZ Repository (Royal Netherlands Institute for Sea Research) Greenland Irminger Sea ENVELOPE(-34.041,-34.041,63.054,63.054) Deep Sea Research Part I: Oceanographic Research Papers 66 41 50 |
institution |
Open Polar |
collection |
NIOZ Repository (Royal Netherlands Institute for Sea Research) |
op_collection_id |
ftnioz |
language |
English |
description |
Data in temperature and salinity from near-bottom layer of Denmark Strait Overflow Water in the Irminger Sea near 60 degrees N are presented. These are hydrographic section data from data archives, literature, and CTD observations along the former WOCE AR7E line, as well as data from continuous measurements at two locations. For both salinity and temperature, hydrographic variability was present at all time scales that could be analysed, from multi-decadal to weekly. A mechanistic explanation for the primal cause of the hydrographic variability is still lacking. The direct cause of the observed variability has to be sought in variations of the properties of the source water types involved in the overflow across the sill in Denmark Strait, variations in the mutual ratios of these source water types, and in inhomogeneities in the DSOW layer. The strongest changes occurred at the longest time scales, as is often found for ultimately randomly forced geophysical time series. However, a significant annual cycle of the DSOW, not reported before, was observed at the foot of the East Greenland continental slope, likely a deterministic contribution to the hydrographic variability signal. |
format |
Article in Journal/Newspaper |
author |
van Aken, H.M. de Jong, M.F. |
spellingShingle |
van Aken, H.M. de Jong, M.F. Hydrographic variability of Denmark Strait Overflow Water near Cape Farewell with multi-decadal to weekly time scales |
author_facet |
van Aken, H.M. de Jong, M.F. |
author_sort |
van Aken, H.M. |
title |
Hydrographic variability of Denmark Strait Overflow Water near Cape Farewell with multi-decadal to weekly time scales |
title_short |
Hydrographic variability of Denmark Strait Overflow Water near Cape Farewell with multi-decadal to weekly time scales |
title_full |
Hydrographic variability of Denmark Strait Overflow Water near Cape Farewell with multi-decadal to weekly time scales |
title_fullStr |
Hydrographic variability of Denmark Strait Overflow Water near Cape Farewell with multi-decadal to weekly time scales |
title_full_unstemmed |
Hydrographic variability of Denmark Strait Overflow Water near Cape Farewell with multi-decadal to weekly time scales |
title_sort |
hydrographic variability of denmark strait overflow water near cape farewell with multi-decadal to weekly time scales |
publishDate |
2012 |
url |
http://imis.nioz.nl/imis.php?module=ref&refid=231025 |
long_lat |
ENVELOPE(-34.041,-34.041,63.054,63.054) |
geographic |
Greenland Irminger Sea |
geographic_facet |
Greenland Irminger Sea |
genre |
Cape Farewell Denmark Strait East Greenland Greenland |
genre_facet |
Cape Farewell Denmark Strait East Greenland Greenland |
op_source |
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op_relation |
info:eu-repo/semantics/altIdentifier/wos/000307621000004 info:eu-repo/semantics/altIdentifier/doi/doi.org/10.1016/j.dsr.2012.04.004 http://imis.nioz.nl/imis.php?module=ref&refid=231025 |
op_rights |
info:eu-repo/semantics/closedAccess |
op_doi |
https://doi.org/10.1016/j.dsr.2012.04.004 |
container_title |
Deep Sea Research Part I: Oceanographic Research Papers |
container_volume |
66 |
container_start_page |
41 |
op_container_end_page |
50 |
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1766387213948420096 |