Age determination of North Atlantic sediment cores
Coupled measurements of delta18O and accelerator mass spectrometry (AMS) 14C in a particular species of planktonic foraminifera may be used to calculate sea-level estimates for the last deglaciation. Of critical importance for this type of study is a knowledge of the seasonality of foraminiferal gro...
Main Authors: | , , , , , |
---|---|
Format: | Dataset |
Language: | English |
Published: |
PANGAEA
1989
|
Subjects: | |
Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.726266 https://doi.org/10.1594/PANGAEA.726266 |
id |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.726266 |
---|---|
record_format |
openpolar |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.726266 2023-05-15T17:31:04+02:00 Age determination of North Atlantic sediment cores Bard, Edouard Fairbanks, Richard G Maurice, Pierre Duprat, Josette M Moyes, Jean Duplessy, Jean-Claude MEDIAN LATITUDE: 37.331333 * MEDIAN LONGITUDE: -9.958667 * SOUTH-BOUND LATITUDE: 36.460000 * WEST-BOUND LONGITUDE: -10.183000 * NORTH-BOUND LATITUDE: 37.767000 * EAST-BOUND LONGITUDE: -9.510000 * DATE/TIME START: 1981-01-01T00:00:00 * DATE/TIME END: 1981-01-01T00:00:00 1989-07-29 application/zip, 3 datasets https://doi.pangaea.de/10.1594/PANGAEA.726266 https://doi.org/10.1594/PANGAEA.726266 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.726266 https://doi.org/10.1594/PANGAEA.726266 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Bard, Edouard; Fairbanks, Richard G; Maurice, Pierre; Duprat, Josette M; Moyes, Jean; Duplessy, Jean-Claude (1989): Sea level estimates during the last deglaciation based on d18O and accelerator mass spectrometry 14C ages measured on Globigerina bulloides. Quaternary Research, 31(3), 381-391, https://doi.org/10.1016/0033-5894(89)90045-8 Atlantic Ocean CEPAG Glacial Atlantic Ocean Mapping GLAMAP GLAMAP2000 Le Suroît PC Piston corer SU81-14 SU81-18 Dataset 1989 ftpangaea https://doi.org/10.1594/PANGAEA.726266 https://doi.org/10.1016/0033-5894(89)90045-8 2023-01-20T07:31:28Z Coupled measurements of delta18O and accelerator mass spectrometry (AMS) 14C in a particular species of planktonic foraminifera may be used to calculate sea-level estimates for the last deglaciation. Of critical importance for this type of study is a knowledge of the seasonality of foraminiferal growth, which can be provided by delta18O measurements of modern shells (core tops, plankton tows). Isotopic (delta18O, AMS-14C dating) and faunal records (transfer function sea surface temperature) were obtained from two cores in the North Atlantic at about 37°N. The locations were chosen to obtain high sedimentation rate records removed from the major ice-melt discharge areas of the last deglaciation. Based upon Globigerina bulloides data, four delta18O-based sea-level estimates were calculated: -67 +/- 7 m at 12,200 yr B.P. and -24 +/- 8 m at about 8200 yr B.P. for core SU81-18; -83 +/- 10 m at 12,200 yr B.P. and -13 +/- 11 m at about 8500 yr B.P. for core SU81-14. Using a second working hypothesis concerning the seasonability of G. bulloides growth, it is suggested that the sea-level rose by about 40 m during the millennium which followed 14,500 yr B.P. Dataset North Atlantic Planktonic foraminifera PANGAEA - Data Publisher for Earth & Environmental Science ENVELOPE(-10.183000,-9.510000,37.767000,36.460000) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
Atlantic Ocean CEPAG Glacial Atlantic Ocean Mapping GLAMAP GLAMAP2000 Le Suroît PC Piston corer SU81-14 SU81-18 |
spellingShingle |
Atlantic Ocean CEPAG Glacial Atlantic Ocean Mapping GLAMAP GLAMAP2000 Le Suroît PC Piston corer SU81-14 SU81-18 Bard, Edouard Fairbanks, Richard G Maurice, Pierre Duprat, Josette M Moyes, Jean Duplessy, Jean-Claude Age determination of North Atlantic sediment cores |
topic_facet |
Atlantic Ocean CEPAG Glacial Atlantic Ocean Mapping GLAMAP GLAMAP2000 Le Suroît PC Piston corer SU81-14 SU81-18 |
description |
Coupled measurements of delta18O and accelerator mass spectrometry (AMS) 14C in a particular species of planktonic foraminifera may be used to calculate sea-level estimates for the last deglaciation. Of critical importance for this type of study is a knowledge of the seasonality of foraminiferal growth, which can be provided by delta18O measurements of modern shells (core tops, plankton tows). Isotopic (delta18O, AMS-14C dating) and faunal records (transfer function sea surface temperature) were obtained from two cores in the North Atlantic at about 37°N. The locations were chosen to obtain high sedimentation rate records removed from the major ice-melt discharge areas of the last deglaciation. Based upon Globigerina bulloides data, four delta18O-based sea-level estimates were calculated: -67 +/- 7 m at 12,200 yr B.P. and -24 +/- 8 m at about 8200 yr B.P. for core SU81-18; -83 +/- 10 m at 12,200 yr B.P. and -13 +/- 11 m at about 8500 yr B.P. for core SU81-14. Using a second working hypothesis concerning the seasonability of G. bulloides growth, it is suggested that the sea-level rose by about 40 m during the millennium which followed 14,500 yr B.P. |
format |
Dataset |
author |
Bard, Edouard Fairbanks, Richard G Maurice, Pierre Duprat, Josette M Moyes, Jean Duplessy, Jean-Claude |
author_facet |
Bard, Edouard Fairbanks, Richard G Maurice, Pierre Duprat, Josette M Moyes, Jean Duplessy, Jean-Claude |
author_sort |
Bard, Edouard |
title |
Age determination of North Atlantic sediment cores |
title_short |
Age determination of North Atlantic sediment cores |
title_full |
Age determination of North Atlantic sediment cores |
title_fullStr |
Age determination of North Atlantic sediment cores |
title_full_unstemmed |
Age determination of North Atlantic sediment cores |
title_sort |
age determination of north atlantic sediment cores |
publisher |
PANGAEA |
publishDate |
1989 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.726266 https://doi.org/10.1594/PANGAEA.726266 |
op_coverage |
MEDIAN LATITUDE: 37.331333 * MEDIAN LONGITUDE: -9.958667 * SOUTH-BOUND LATITUDE: 36.460000 * WEST-BOUND LONGITUDE: -10.183000 * NORTH-BOUND LATITUDE: 37.767000 * EAST-BOUND LONGITUDE: -9.510000 * DATE/TIME START: 1981-01-01T00:00:00 * DATE/TIME END: 1981-01-01T00:00:00 |
long_lat |
ENVELOPE(-10.183000,-9.510000,37.767000,36.460000) |
genre |
North Atlantic Planktonic foraminifera |
genre_facet |
North Atlantic Planktonic foraminifera |
op_source |
Supplement to: Bard, Edouard; Fairbanks, Richard G; Maurice, Pierre; Duprat, Josette M; Moyes, Jean; Duplessy, Jean-Claude (1989): Sea level estimates during the last deglaciation based on d18O and accelerator mass spectrometry 14C ages measured on Globigerina bulloides. Quaternary Research, 31(3), 381-391, https://doi.org/10.1016/0033-5894(89)90045-8 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.726266 https://doi.org/10.1594/PANGAEA.726266 |
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.726266 https://doi.org/10.1016/0033-5894(89)90045-8 |
_version_ |
1766128387948019712 |