Ostracoda in surface sediments of the Arctic Ocean
Ostracodes were studied from deep Arctic Ocean cores obtained during the Arctic 91 expedition of the Polarstern to the Nansen, Amundsen and Makarov Basins, the Lomonosov Ridge, Morris Jesup Rise and Yermak Plateau, in order to investigate their distribution in Arctic Ocean deep water (AODW) and appl...
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Format: | Dataset |
Language: | English |
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PANGAEA
1994
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Subjects: | |
Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.728604 https://doi.org/10.1594/PANGAEA.728604 |
id |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.728604 |
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record_format |
openpolar |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
80PB50 81-APB-13 AC-71-36 AC-71-38 AC-71-48 Amundsen Basin ARK-VIII/3 AW-2375 AW-2839 AW-2904 AW-2905 AW-3101A AW-3143 AW-3154 AW-3161 AW-57-328-46 AW-62-160-10 AW-62-160-7 AW-62-160-8 AW-62-160-9 AWI_Paleo AW-IH25 AW-NN AW-V6-33-78-21 Barnes26-80 Barnes27-80 Barnes56-80 Bart.30 Bart.46 Bart.49 Bart.55 Bart.LT23Hazel3 Bart.LT26Hazel2 Bart.LT30 Bart.LT35Hazel5 Bart.N.Omenolu Beaufort Sea Canadian Beaufort Cape Martineau Chest.Inlet1 Chest.Inlet2 Chest.Inlet5 Chest.Inlet8 Chest.Inlet9 Chikchi Sea DC1-79-EG-1 DC2-80-EG-186 DC2-80-EG-73 EGAL-75-KC-53 E Greenland |
spellingShingle |
80PB50 81-APB-13 AC-71-36 AC-71-38 AC-71-48 Amundsen Basin ARK-VIII/3 AW-2375 AW-2839 AW-2904 AW-2905 AW-3101A AW-3143 AW-3154 AW-3161 AW-57-328-46 AW-62-160-10 AW-62-160-7 AW-62-160-8 AW-62-160-9 AWI_Paleo AW-IH25 AW-NN AW-V6-33-78-21 Barnes26-80 Barnes27-80 Barnes56-80 Bart.30 Bart.46 Bart.49 Bart.55 Bart.LT23Hazel3 Bart.LT26Hazel2 Bart.LT30 Bart.LT35Hazel5 Bart.N.Omenolu Beaufort Sea Canadian Beaufort Cape Martineau Chest.Inlet1 Chest.Inlet2 Chest.Inlet5 Chest.Inlet8 Chest.Inlet9 Chikchi Sea DC1-79-EG-1 DC2-80-EG-186 DC2-80-EG-73 EGAL-75-KC-53 E Greenland Cronin, Thomas M Holtz, Thomas R Whatley, Robin C Ostracoda in surface sediments of the Arctic Ocean |
topic_facet |
80PB50 81-APB-13 AC-71-36 AC-71-38 AC-71-48 Amundsen Basin ARK-VIII/3 AW-2375 AW-2839 AW-2904 AW-2905 AW-3101A AW-3143 AW-3154 AW-3161 AW-57-328-46 AW-62-160-10 AW-62-160-7 AW-62-160-8 AW-62-160-9 AWI_Paleo AW-IH25 AW-NN AW-V6-33-78-21 Barnes26-80 Barnes27-80 Barnes56-80 Bart.30 Bart.46 Bart.49 Bart.55 Bart.LT23Hazel3 Bart.LT26Hazel2 Bart.LT30 Bart.LT35Hazel5 Bart.N.Omenolu Beaufort Sea Canadian Beaufort Cape Martineau Chest.Inlet1 Chest.Inlet2 Chest.Inlet5 Chest.Inlet8 Chest.Inlet9 Chikchi Sea DC1-79-EG-1 DC2-80-EG-186 DC2-80-EG-73 EGAL-75-KC-53 E Greenland |
description |
Ostracodes were studied from deep Arctic Ocean cores obtained during the Arctic 91 expedition of the Polarstern to the Nansen, Amundsen and Makarov Basins, the Lomonosov Ridge, Morris Jesup Rise and Yermak Plateau, in order to investigate their distribution in Arctic Ocean deep water (AODW) and apply these data to paleoceanographic reconstruction of bottom water masses during the Quaternary. Analyses of coretop assemblages from Arctic 91 boxcores indicate the following: ostracodes are common at all depths between 1000 and 4500 m, and species distribution is strongly influenced by water mass characteristics and bathymetry; quantitative analyses comparing Eurasian and Canada Basin assemblages indicate that distinct assemblages inhabit regions east and west of the Lomonosov Ridge, a barrier especially important to species living in lower AODW; deep Eurasian Basin assemblages are more similar to those living in Greenland Sea deep water (GSDW) than those in Canada Basin deep water; two upper AODW assemblages were recognized throughout the Arctic Ocean, one living between 1000 and 1500 m, and the other, having high species diversity, at 1500-3000 m. Downcore quantitative analyses of species' abundances and the squared chord distance coefficient of similarity reveals a distinct series of abundance peaks in key indicator taxa interpreted to signify the following late Quaternary deep water history of the Eurasian Basin. During the Last Glacial Maximum (LGM), a GSDW/AODW assemblage, characteristic of cold, well oxygenated deep water > 3000 m today, inhabited the Lomonosov Ridge to depths as shallow as 1000 m, perhaps indicating the influence of GSDW at mid-depths in the central Arctic Ocean. During Termination 1, a period of high organic productivity associated with a strong inflowing warm North Atlantic layer occurred. During the mid-Holocene, several key faunal events indicate a period of warming and/or enhanced flow between the Canada and Eurasian Basins. A long-term record of ostracode assemblages from kastenlot ... |
format |
Dataset |
author |
Cronin, Thomas M Holtz, Thomas R Whatley, Robin C |
author_facet |
Cronin, Thomas M Holtz, Thomas R Whatley, Robin C |
author_sort |
Cronin, Thomas M |
title |
Ostracoda in surface sediments of the Arctic Ocean |
title_short |
Ostracoda in surface sediments of the Arctic Ocean |
title_full |
Ostracoda in surface sediments of the Arctic Ocean |
title_fullStr |
Ostracoda in surface sediments of the Arctic Ocean |
title_full_unstemmed |
Ostracoda in surface sediments of the Arctic Ocean |
title_sort |
ostracoda in surface sediments of the arctic ocean |
publisher |
PANGAEA |
publishDate |
1994 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.728604 https://doi.org/10.1594/PANGAEA.728604 |
op_coverage |
MEDIAN LATITUDE: 79.465740 * MEDIAN LONGITUDE: 11.484162 * SOUTH-BOUND LATITUDE: 52.780000 * WEST-BOUND LONGITUDE: -168.446000 * NORTH-BOUND LATITUDE: 89.983333 * EAST-BOUND LONGITUDE: 159.167500 * DATE/TIME START: 1991-08-06T00:00:00 * DATE/TIME END: 1991-10-02T00:00:00 |
long_lat |
ENVELOPE(5.000,5.000,81.250,81.250) ENVELOPE(-20.000,-20.000,83.750,83.750) ENVELOPE(-83.666,-83.666,66.184,66.184) ENVELOPE(74.000,74.000,87.000,87.000) ENVELOPE(-168.446000,159.167500,89.983333,52.780000) |
geographic |
Arctic Arctic Ocean Canada Greenland Yermak Plateau Morris Jesup Rise Cape Martineau Amundsen Basin |
geographic_facet |
Arctic Arctic Ocean Canada Greenland Yermak Plateau Morris Jesup Rise Cape Martineau Amundsen Basin |
genre |
amundsen basin Arctic Arctic Arctic Ocean Beaufort Sea canada basin Central Arctic Greenland Greenland Sea Lomonosov Ridge North Atlantic Yermak plateau |
genre_facet |
amundsen basin Arctic Arctic Arctic Ocean Beaufort Sea canada basin Central Arctic Greenland Greenland Sea Lomonosov Ridge North Atlantic Yermak plateau |
op_source |
Supplement to: Cronin, Thomas M; Holtz, Thomas R; Whatley, Robin C (1994): Quaternary paleoceanography of the deep Arctic Ocean based on quantitative analysis of Ostracoda. Marine Geology, 119(3-4), 305-332, https://doi.org/10.1016/0025-3227(94)90188-0 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.728604 https://doi.org/10.1594/PANGAEA.728604 |
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.728604 https://doi.org/10.1016/0025-3227(94)90188-0 |
_version_ |
1766366873102843904 |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.728604 2023-05-15T13:22:46+02:00 Ostracoda in surface sediments of the Arctic Ocean Cronin, Thomas M Holtz, Thomas R Whatley, Robin C MEDIAN LATITUDE: 79.465740 * MEDIAN LONGITUDE: 11.484162 * SOUTH-BOUND LATITUDE: 52.780000 * WEST-BOUND LONGITUDE: -168.446000 * NORTH-BOUND LATITUDE: 89.983333 * EAST-BOUND LONGITUDE: 159.167500 * DATE/TIME START: 1991-08-06T00:00:00 * DATE/TIME END: 1991-10-02T00:00:00 1994-10-15 application/zip, 3 datasets https://doi.pangaea.de/10.1594/PANGAEA.728604 https://doi.org/10.1594/PANGAEA.728604 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.728604 https://doi.org/10.1594/PANGAEA.728604 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Cronin, Thomas M; Holtz, Thomas R; Whatley, Robin C (1994): Quaternary paleoceanography of the deep Arctic Ocean based on quantitative analysis of Ostracoda. Marine Geology, 119(3-4), 305-332, https://doi.org/10.1016/0025-3227(94)90188-0 80PB50 81-APB-13 AC-71-36 AC-71-38 AC-71-48 Amundsen Basin ARK-VIII/3 AW-2375 AW-2839 AW-2904 AW-2905 AW-3101A AW-3143 AW-3154 AW-3161 AW-57-328-46 AW-62-160-10 AW-62-160-7 AW-62-160-8 AW-62-160-9 AWI_Paleo AW-IH25 AW-NN AW-V6-33-78-21 Barnes26-80 Barnes27-80 Barnes56-80 Bart.30 Bart.46 Bart.49 Bart.55 Bart.LT23Hazel3 Bart.LT26Hazel2 Bart.LT30 Bart.LT35Hazel5 Bart.N.Omenolu Beaufort Sea Canadian Beaufort Cape Martineau Chest.Inlet1 Chest.Inlet2 Chest.Inlet5 Chest.Inlet8 Chest.Inlet9 Chikchi Sea DC1-79-EG-1 DC2-80-EG-186 DC2-80-EG-73 EGAL-75-KC-53 E Greenland Dataset 1994 ftpangaea https://doi.org/10.1594/PANGAEA.728604 https://doi.org/10.1016/0025-3227(94)90188-0 2023-01-20T07:31:33Z Ostracodes were studied from deep Arctic Ocean cores obtained during the Arctic 91 expedition of the Polarstern to the Nansen, Amundsen and Makarov Basins, the Lomonosov Ridge, Morris Jesup Rise and Yermak Plateau, in order to investigate their distribution in Arctic Ocean deep water (AODW) and apply these data to paleoceanographic reconstruction of bottom water masses during the Quaternary. Analyses of coretop assemblages from Arctic 91 boxcores indicate the following: ostracodes are common at all depths between 1000 and 4500 m, and species distribution is strongly influenced by water mass characteristics and bathymetry; quantitative analyses comparing Eurasian and Canada Basin assemblages indicate that distinct assemblages inhabit regions east and west of the Lomonosov Ridge, a barrier especially important to species living in lower AODW; deep Eurasian Basin assemblages are more similar to those living in Greenland Sea deep water (GSDW) than those in Canada Basin deep water; two upper AODW assemblages were recognized throughout the Arctic Ocean, one living between 1000 and 1500 m, and the other, having high species diversity, at 1500-3000 m. Downcore quantitative analyses of species' abundances and the squared chord distance coefficient of similarity reveals a distinct series of abundance peaks in key indicator taxa interpreted to signify the following late Quaternary deep water history of the Eurasian Basin. During the Last Glacial Maximum (LGM), a GSDW/AODW assemblage, characteristic of cold, well oxygenated deep water > 3000 m today, inhabited the Lomonosov Ridge to depths as shallow as 1000 m, perhaps indicating the influence of GSDW at mid-depths in the central Arctic Ocean. During Termination 1, a period of high organic productivity associated with a strong inflowing warm North Atlantic layer occurred. During the mid-Holocene, several key faunal events indicate a period of warming and/or enhanced flow between the Canada and Eurasian Basins. A long-term record of ostracode assemblages from kastenlot ... Dataset amundsen basin Arctic Arctic Arctic Ocean Beaufort Sea canada basin Central Arctic Greenland Greenland Sea Lomonosov Ridge North Atlantic Yermak plateau PANGAEA - Data Publisher for Earth & Environmental Science Arctic Arctic Ocean Canada Greenland Yermak Plateau ENVELOPE(5.000,5.000,81.250,81.250) Morris Jesup Rise ENVELOPE(-20.000,-20.000,83.750,83.750) Cape Martineau ENVELOPE(-83.666,-83.666,66.184,66.184) Amundsen Basin ENVELOPE(74.000,74.000,87.000,87.000) ENVELOPE(-168.446000,159.167500,89.983333,52.780000) |