Age determinations on sediment core PS1295-4 (Table 1)
Recent syntheses of the history of the last Northern Hemisphere glaciation and deglaciation illustrate that understanding of the mechanisms and timing of deglaciation before approximately 12,000 years BP is limited. After 12,000 yr BP, however, there is sufficient evidence from radiocarbon-dated mor...
Main Authors: | , |
---|---|
Format: | Dataset |
Language: | English |
Published: |
PANGAEA
1988
|
Subjects: | |
Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.51675 https://doi.org/10.1594/PANGAEA.51675 |
id |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.51675 |
---|---|
record_format |
openpolar |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.51675 2023-05-15T16:18:07+02:00 Age determinations on sediment core PS1295-4 (Table 1) Jones, Glenn A Keigwin, Lloyd D LATITUDE: 77.998200 * LONGITUDE: 2.468200 * DATE/TIME START: 1985-08-01T00:00:00 * DATE/TIME END: 1985-08-01T00:00:00 * MINIMUM DEPTH, sediment/rock: 0.005 m * MAXIMUM DEPTH, sediment/rock: 0.425 m 1988-11-17 text/tab-separated-values, 132 data points https://doi.pangaea.de/10.1594/PANGAEA.51675 https://doi.org/10.1594/PANGAEA.51675 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.51675 https://doi.org/10.1594/PANGAEA.51675 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Jones, Glenn A; Keigwin, Lloyd D (1988): Evidence from Fram Strait (78°N) for early deglaciation. Nature, 336(6194), 56-59, https://doi.org/10.1038/336056a0 Age 14C AMS 14C milieu/reservoir corrected dated dated standard deviation ARK-III/3 AWI_Paleo Depth bottom/max sediment/rock top/min Fram Strait Giant box corer GIK21295-4 PS07/586 GKG Neogloboquadrina pachyderma sinistral δ18O Paleoenvironmental Reconstructions from Marine Sediments @ AWI Polarstern PS07 PS1295-4 Quaternary Environment of the Eurasian North QUEEN Dataset 1988 ftpangaea https://doi.org/10.1594/PANGAEA.51675 https://doi.org/10.1038/336056a0 2023-01-20T07:35:23Z Recent syntheses of the history of the last Northern Hemisphere glaciation and deglaciation illustrate that understanding of the mechanisms and timing of deglaciation before approximately 12,000 years BP is limited. After 12,000 yr BP, however, there is sufficient evidence from radiocarbon-dated morains, raised beaches, varved lake sediments and pollen records to provide a reasonable temporal and geographica picture of the decay of the ice sheets. Here we report on the first oxygen isotope record from the Norwegian-Greenland Sea that is radiocarbon-dated directly by accelerator mass spectrometry. A significant light-oxygen-isotope event is recorded at approximately 15,000 years BP which suggests that the marine.based Barents Shelf ice sheet disintegrated rapidly at this time. Recent studies have estimated that the decay of this ice sheet could have contributed as much as 15 metres to 9 eustatic sea-level rise. The decay of the Barents Shelf ice sheet is the earliest major deglacial event yet dated, and may have triggered subsequent deglacial events through eustatic sea-level effects. Dataset Fram Strait Greenland Greenland Sea Ice Sheet Neogloboquadrina pachyderma PANGAEA - Data Publisher for Earth & Environmental Science Greenland ENVELOPE(2.468200,2.468200,77.998200,77.998200) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
Age 14C AMS 14C milieu/reservoir corrected dated dated standard deviation ARK-III/3 AWI_Paleo Depth bottom/max sediment/rock top/min Fram Strait Giant box corer GIK21295-4 PS07/586 GKG Neogloboquadrina pachyderma sinistral δ18O Paleoenvironmental Reconstructions from Marine Sediments @ AWI Polarstern PS07 PS1295-4 Quaternary Environment of the Eurasian North QUEEN |
spellingShingle |
Age 14C AMS 14C milieu/reservoir corrected dated dated standard deviation ARK-III/3 AWI_Paleo Depth bottom/max sediment/rock top/min Fram Strait Giant box corer GIK21295-4 PS07/586 GKG Neogloboquadrina pachyderma sinistral δ18O Paleoenvironmental Reconstructions from Marine Sediments @ AWI Polarstern PS07 PS1295-4 Quaternary Environment of the Eurasian North QUEEN Jones, Glenn A Keigwin, Lloyd D Age determinations on sediment core PS1295-4 (Table 1) |
topic_facet |
Age 14C AMS 14C milieu/reservoir corrected dated dated standard deviation ARK-III/3 AWI_Paleo Depth bottom/max sediment/rock top/min Fram Strait Giant box corer GIK21295-4 PS07/586 GKG Neogloboquadrina pachyderma sinistral δ18O Paleoenvironmental Reconstructions from Marine Sediments @ AWI Polarstern PS07 PS1295-4 Quaternary Environment of the Eurasian North QUEEN |
description |
Recent syntheses of the history of the last Northern Hemisphere glaciation and deglaciation illustrate that understanding of the mechanisms and timing of deglaciation before approximately 12,000 years BP is limited. After 12,000 yr BP, however, there is sufficient evidence from radiocarbon-dated morains, raised beaches, varved lake sediments and pollen records to provide a reasonable temporal and geographica picture of the decay of the ice sheets. Here we report on the first oxygen isotope record from the Norwegian-Greenland Sea that is radiocarbon-dated directly by accelerator mass spectrometry. A significant light-oxygen-isotope event is recorded at approximately 15,000 years BP which suggests that the marine.based Barents Shelf ice sheet disintegrated rapidly at this time. Recent studies have estimated that the decay of this ice sheet could have contributed as much as 15 metres to 9 eustatic sea-level rise. The decay of the Barents Shelf ice sheet is the earliest major deglacial event yet dated, and may have triggered subsequent deglacial events through eustatic sea-level effects. |
format |
Dataset |
author |
Jones, Glenn A Keigwin, Lloyd D |
author_facet |
Jones, Glenn A Keigwin, Lloyd D |
author_sort |
Jones, Glenn A |
title |
Age determinations on sediment core PS1295-4 (Table 1) |
title_short |
Age determinations on sediment core PS1295-4 (Table 1) |
title_full |
Age determinations on sediment core PS1295-4 (Table 1) |
title_fullStr |
Age determinations on sediment core PS1295-4 (Table 1) |
title_full_unstemmed |
Age determinations on sediment core PS1295-4 (Table 1) |
title_sort |
age determinations on sediment core ps1295-4 (table 1) |
publisher |
PANGAEA |
publishDate |
1988 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.51675 https://doi.org/10.1594/PANGAEA.51675 |
op_coverage |
LATITUDE: 77.998200 * LONGITUDE: 2.468200 * DATE/TIME START: 1985-08-01T00:00:00 * DATE/TIME END: 1985-08-01T00:00:00 * MINIMUM DEPTH, sediment/rock: 0.005 m * MAXIMUM DEPTH, sediment/rock: 0.425 m |
long_lat |
ENVELOPE(2.468200,2.468200,77.998200,77.998200) |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Fram Strait Greenland Greenland Sea Ice Sheet Neogloboquadrina pachyderma |
genre_facet |
Fram Strait Greenland Greenland Sea Ice Sheet Neogloboquadrina pachyderma |
op_source |
Supplement to: Jones, Glenn A; Keigwin, Lloyd D (1988): Evidence from Fram Strait (78°N) for early deglaciation. Nature, 336(6194), 56-59, https://doi.org/10.1038/336056a0 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.51675 https://doi.org/10.1594/PANGAEA.51675 |
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.51675 https://doi.org/10.1038/336056a0 |
_version_ |
1766004253756751872 |