Carbon and carbonate concentrations of recent and Pleistocene sediments of the Norwegian-Greenland Sea
Surface sediment samples from the Norwegian-Greenland Sea were investigated to reconstruct the spatial distribution of recent carbonate dissolution on the seafloor. Additionally, carbonate dissolution records of Ocean Drilling Program sites 985 and 987 are presented to outline the development of Ple...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.704663 2023-05-15T15:14:52+02:00 Carbon and carbonate concentrations of recent and Pleistocene sediments of the Norwegian-Greenland Sea Huber, Robert Meggers, Helge Baumann, Karl-Heinz Henrich, Rüdiger MEDIAN LATITUDE: 68.126600 * MEDIAN LONGITUDE: -10.278900 * SOUTH-BOUND LATITUDE: 66.941400 * WEST-BOUND LONGITUDE: -17.936400 * NORTH-BOUND LATITUDE: 70.496700 * EAST-BOUND LONGITUDE: -6.450000 * DATE/TIME START: 1995-08-03T13:58:00 * DATE/TIME END: 1995-08-26T22:50:00 2000-09-24 application/zip, 3 datasets https://doi.pangaea.de/10.1594/PANGAEA.704663 https://doi.org/10.1594/PANGAEA.704663 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.704663 https://doi.org/10.1594/PANGAEA.704663 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Huber, Robert; Meggers, Helge; Baumann, Karl-Heinz; Henrich, Rüdiger (2000): Recent and Pleistocene carbonate dissolution in sediments of the Norwegian-Greenland Sea. Marine Geology, 165(1-4), 123-136, https://doi.org/10.1016/S0025-3227(99)00138-3 162-985A 162-985B 162-987D DRILL Drilling/drill rig Iceland Sea Joides Resolution Leg162 Norwegian Sea Ocean Drilling Program ODP Dataset 2000 ftpangaea https://doi.org/10.1594/PANGAEA.704663 https://doi.org/10.1016/S0025-3227(99)00138-3 2023-01-20T07:31:13Z Surface sediment samples from the Norwegian-Greenland Sea were investigated to reconstruct the spatial distribution of recent carbonate dissolution on the seafloor. Additionally, carbonate dissolution records of Ocean Drilling Program sites 985 and 987 are presented to outline the development of Pleistocene carbonate preservation. Today, well-preserved carbonate tests can be observed along the inflow of warm Atlantic surface water, extending as far as into the northernmost Norwegian-Greenland Sea. Increased dissolution is indicated along the continental margins and in the deepest parts of the Greenland Basin. Factors favoring carbonate preservation were found to be supersaturation of the water column with respect to calcium carbonate, high carbonate rain and probably excess alkalinity of bottom waters supplied by the arctic river discharge. Supralysoklinal dissolution is most important for recent carbonate dissolution in the Norwegian-Greenland Sea, whereas the deepest parts of the Greenland Basin reaches the calcite saturation horizon. Pleistocene dissolution records show some prominent peaks of extreme carbonate dissolution. During the Brunhes chron, carbonate dissolution maxima can be related to meltwater pulses, which probably inhibited deep-water formation in the Norwegian-Greenland Sea during deglaciation events. Long-term severe carbonate dissolution is evident during the late Matuyama chron. This can be probably related to low carbonate rain, due to a more eastwards located East Greenland Current and the nearly absence of the not yet polar adapted Neogloboquadrina pachyderma sin. during that period. Extreme dissolution events during the late Matuyama indicate strongly reduced deep-water formation. Dataset Arctic East Greenland east greenland current Greenland Greenland Sea Iceland Neogloboquadrina pachyderma Norwegian Sea PANGAEA - Data Publisher for Earth & Environmental Science Arctic Norwegian Sea Greenland Greenland Basin ENVELOPE(-5.000,-5.000,73.500,73.500) ENVELOPE(-17.936400,-6.450000,70.496700,66.941400) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
162-985A 162-985B 162-987D DRILL Drilling/drill rig Iceland Sea Joides Resolution Leg162 Norwegian Sea Ocean Drilling Program ODP |
spellingShingle |
162-985A 162-985B 162-987D DRILL Drilling/drill rig Iceland Sea Joides Resolution Leg162 Norwegian Sea Ocean Drilling Program ODP Huber, Robert Meggers, Helge Baumann, Karl-Heinz Henrich, Rüdiger Carbon and carbonate concentrations of recent and Pleistocene sediments of the Norwegian-Greenland Sea |
topic_facet |
162-985A 162-985B 162-987D DRILL Drilling/drill rig Iceland Sea Joides Resolution Leg162 Norwegian Sea Ocean Drilling Program ODP |
description |
Surface sediment samples from the Norwegian-Greenland Sea were investigated to reconstruct the spatial distribution of recent carbonate dissolution on the seafloor. Additionally, carbonate dissolution records of Ocean Drilling Program sites 985 and 987 are presented to outline the development of Pleistocene carbonate preservation. Today, well-preserved carbonate tests can be observed along the inflow of warm Atlantic surface water, extending as far as into the northernmost Norwegian-Greenland Sea. Increased dissolution is indicated along the continental margins and in the deepest parts of the Greenland Basin. Factors favoring carbonate preservation were found to be supersaturation of the water column with respect to calcium carbonate, high carbonate rain and probably excess alkalinity of bottom waters supplied by the arctic river discharge. Supralysoklinal dissolution is most important for recent carbonate dissolution in the Norwegian-Greenland Sea, whereas the deepest parts of the Greenland Basin reaches the calcite saturation horizon. Pleistocene dissolution records show some prominent peaks of extreme carbonate dissolution. During the Brunhes chron, carbonate dissolution maxima can be related to meltwater pulses, which probably inhibited deep-water formation in the Norwegian-Greenland Sea during deglaciation events. Long-term severe carbonate dissolution is evident during the late Matuyama chron. This can be probably related to low carbonate rain, due to a more eastwards located East Greenland Current and the nearly absence of the not yet polar adapted Neogloboquadrina pachyderma sin. during that period. Extreme dissolution events during the late Matuyama indicate strongly reduced deep-water formation. |
format |
Dataset |
author |
Huber, Robert Meggers, Helge Baumann, Karl-Heinz Henrich, Rüdiger |
author_facet |
Huber, Robert Meggers, Helge Baumann, Karl-Heinz Henrich, Rüdiger |
author_sort |
Huber, Robert |
title |
Carbon and carbonate concentrations of recent and Pleistocene sediments of the Norwegian-Greenland Sea |
title_short |
Carbon and carbonate concentrations of recent and Pleistocene sediments of the Norwegian-Greenland Sea |
title_full |
Carbon and carbonate concentrations of recent and Pleistocene sediments of the Norwegian-Greenland Sea |
title_fullStr |
Carbon and carbonate concentrations of recent and Pleistocene sediments of the Norwegian-Greenland Sea |
title_full_unstemmed |
Carbon and carbonate concentrations of recent and Pleistocene sediments of the Norwegian-Greenland Sea |
title_sort |
carbon and carbonate concentrations of recent and pleistocene sediments of the norwegian-greenland sea |
publisher |
PANGAEA |
publishDate |
2000 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.704663 https://doi.org/10.1594/PANGAEA.704663 |
op_coverage |
MEDIAN LATITUDE: 68.126600 * MEDIAN LONGITUDE: -10.278900 * SOUTH-BOUND LATITUDE: 66.941400 * WEST-BOUND LONGITUDE: -17.936400 * NORTH-BOUND LATITUDE: 70.496700 * EAST-BOUND LONGITUDE: -6.450000 * DATE/TIME START: 1995-08-03T13:58:00 * DATE/TIME END: 1995-08-26T22:50:00 |
long_lat |
ENVELOPE(-5.000,-5.000,73.500,73.500) ENVELOPE(-17.936400,-6.450000,70.496700,66.941400) |
geographic |
Arctic Norwegian Sea Greenland Greenland Basin |
geographic_facet |
Arctic Norwegian Sea Greenland Greenland Basin |
genre |
Arctic East Greenland east greenland current Greenland Greenland Sea Iceland Neogloboquadrina pachyderma Norwegian Sea |
genre_facet |
Arctic East Greenland east greenland current Greenland Greenland Sea Iceland Neogloboquadrina pachyderma Norwegian Sea |
op_source |
Supplement to: Huber, Robert; Meggers, Helge; Baumann, Karl-Heinz; Henrich, Rüdiger (2000): Recent and Pleistocene carbonate dissolution in sediments of the Norwegian-Greenland Sea. Marine Geology, 165(1-4), 123-136, https://doi.org/10.1016/S0025-3227(99)00138-3 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.704663 https://doi.org/10.1594/PANGAEA.704663 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/PANGAEA.704663 https://doi.org/10.1016/S0025-3227(99)00138-3 |
_version_ |
1766345273271910400 |