Last interglacial and penultimate glacial sea surface temperature anomalies for the region south of 40°S, resampled to 2000 year resolution ...
Southern Ocean marine sediments provide an important archive of Quaternary glacial-interglacial climate changes. Sea surface temperature (SST) reconstructions in the Southern Ocean depend exclusively on the fossils or geochemical signatures of planktic organisms, but the strengths of these SST proxi...
Main Authors: | , |
---|---|
Format: | Dataset |
Language: | English |
Published: |
PANGAEA
2021
|
Subjects: | |
Online Access: | https://dx.doi.org/10.1594/pangaea.938620 https://doi.pangaea.de/10.1594/PANGAEA.938620 |
id |
ftdatacite:10.1594/pangaea.938620 |
---|---|
record_format |
openpolar |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Alkenone Diatom assemblage Eemian foraminiferal assemblages Interglacial Last Interglacial marine isotope stage 5 marine isotope stage 6 Marine Sediment Core Mg/Ca Penultimate Glacial Maximum proxy Sea surface temperature Southern Ocean Event label Site Reference/source Uniform resource locator/link to reference Season Proxy Latitude of event Longitude of event AGE Sea surface temperature, anomaly Composite Core Box corer Gravity corer Core Gravity corer Kiel type Piston corer Giant piston corer Calypso Calypso Corer Calypso Corer II Piston corer BGR type Leg90 Leg177 Leg181 SO102/1 MD125 MD128 MD152 MD38 APSARA4 MD106 ANT-XXVI/2 ANT-VIII/3 ANT-IX/4 ANT-XI/2 RC11 |
spellingShingle |
Alkenone Diatom assemblage Eemian foraminiferal assemblages Interglacial Last Interglacial marine isotope stage 5 marine isotope stage 6 Marine Sediment Core Mg/Ca Penultimate Glacial Maximum proxy Sea surface temperature Southern Ocean Event label Site Reference/source Uniform resource locator/link to reference Season Proxy Latitude of event Longitude of event AGE Sea surface temperature, anomaly Composite Core Box corer Gravity corer Core Gravity corer Kiel type Piston corer Giant piston corer Calypso Calypso Corer Calypso Corer II Piston corer BGR type Leg90 Leg177 Leg181 SO102/1 MD125 MD128 MD152 MD38 APSARA4 MD106 ANT-XXVI/2 ANT-VIII/3 ANT-IX/4 ANT-XI/2 RC11 Chandler, David M Langebroek, Petra M Last interglacial and penultimate glacial sea surface temperature anomalies for the region south of 40°S, resampled to 2000 year resolution ... |
topic_facet |
Alkenone Diatom assemblage Eemian foraminiferal assemblages Interglacial Last Interglacial marine isotope stage 5 marine isotope stage 6 Marine Sediment Core Mg/Ca Penultimate Glacial Maximum proxy Sea surface temperature Southern Ocean Event label Site Reference/source Uniform resource locator/link to reference Season Proxy Latitude of event Longitude of event AGE Sea surface temperature, anomaly Composite Core Box corer Gravity corer Core Gravity corer Kiel type Piston corer Giant piston corer Calypso Calypso Corer Calypso Corer II Piston corer BGR type Leg90 Leg177 Leg181 SO102/1 MD125 MD128 MD152 MD38 APSARA4 MD106 ANT-XXVI/2 ANT-VIII/3 ANT-IX/4 ANT-XI/2 RC11 |
description |
Southern Ocean marine sediments provide an important archive of Quaternary glacial-interglacial climate changes. Sea surface temperature (SST) reconstructions in the Southern Ocean depend exclusively on the fossils or geochemical signatures of planktic organisms, but the strengths of these SST proxies remain poorly quantified in this region. To improve confidence in Southern Ocean paleoclimate reconstructions, we first evaluated the reliability of SST proxies employed at Quaternary glacial-interglacial time scales, focusing on three key potential problems: advection/dispersion, seasonality, and non-thermal influences. On that basis, we selected foraminifera assemblages, long-chain alkenones (UK'37 index), diatom assemblages, and the Globigerina bulloides Mg/Ca ratio as the most reliable SST proxies in the Southern Ocean. We also revised calibrations where appropriate, using core-top sediment databases. Overall, Southern Ocean SST reconstructions using these recommended proxies and calibrations should be ... : This dataset contains individual SST records for the region south of 40°S, resampled to 2000 year resolution following Chandler and Langebroek (QSR, in review). Time slices without a temperature within +/-1000 years are assigned empty rows. Age models are based on benthic d18O where possible, with planktic d18O as a second choice. d18O is aligned with the respective regional stack (Lisiecki and Stern, 2016). Records aligned by other methods (for example, aligning by SST), are not included.Temperatures based on alkenones were calculated using annual SST (°C) = 30.3*(UK'37) - 1.30 or summer SST (°C) = 29.7*(UK'37) + 0.30. The former is the Prahl et al. (1988) calibration; the latter a revised calibration (Chandler and Langebroek, QSR, in review).Temperatures based on G. bulloides Mg/Ca were calculated using annual SST (°C) = 13.0*ln(1.23*Mg/Ca), based on a revised calibration (Chandler and Langebroek, QSR, in review).Temperatures based on diatom assemblages were taken as published by the original ... |
format |
Dataset |
author |
Chandler, David M Langebroek, Petra M |
author_facet |
Chandler, David M Langebroek, Petra M |
author_sort |
Chandler, David M |
title |
Last interglacial and penultimate glacial sea surface temperature anomalies for the region south of 40°S, resampled to 2000 year resolution ... |
title_short |
Last interglacial and penultimate glacial sea surface temperature anomalies for the region south of 40°S, resampled to 2000 year resolution ... |
title_full |
Last interglacial and penultimate glacial sea surface temperature anomalies for the region south of 40°S, resampled to 2000 year resolution ... |
title_fullStr |
Last interglacial and penultimate glacial sea surface temperature anomalies for the region south of 40°S, resampled to 2000 year resolution ... |
title_full_unstemmed |
Last interglacial and penultimate glacial sea surface temperature anomalies for the region south of 40°S, resampled to 2000 year resolution ... |
title_sort |
last interglacial and penultimate glacial sea surface temperature anomalies for the region south of 40°s, resampled to 2000 year resolution ... |
publisher |
PANGAEA |
publishDate |
2021 |
url |
https://dx.doi.org/10.1594/pangaea.938620 https://doi.pangaea.de/10.1594/PANGAEA.938620 |
long_lat |
ENVELOPE(-59.682,-59.682,-64.490,-64.490) |
geographic |
Chandler Southern Ocean |
geographic_facet |
Chandler Southern Ocean |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
op_relation |
https://www.ncei.noaa.gov/products/ocean-climate-laboratory https://dx.doi.org/10.1594/pangaea.938621 https://dx.doi.org/10.1016/j.quascirev.2021.107191 https://dx.doi.org/10.1016/j.quascirev.2021.107190 https://dx.doi.org/10.1016/j.palaeo.2005.02.015 https://dx.doi.org/10.1016/j.palaeo.2005.03.028 https://dx.doi.org/10.1002/2016pa002946 https://dx.doi.org/10.1002/2016pa003002 https://www.ncei.noaa.gov/products/ocean-climate-laboratory https://dx.doi.org/10.1016/s0016-7037(98)00097-0 https://dx.doi.org/10.1016/0016-7037(88)90132-9 https://dx.doi.org/10.1016/j.palaeo.2005.03.027 https://dx.doi.org/10.1029/2018pa003507 https://dx.doi.org/10.31223/osf.io/y3xdg https://dx.doi.org/10.1002/2017pa003201 |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.1594/pangaea.93862010.1594/pangaea.93862110.1016/j.quascirev.2021.10719110.1016/j.quascirev.2021.10719010.1016/j.palaeo.2005.02.01510.1016/j.palaeo.2005.03.02810.1002/2016pa00294610.1002/2016pa00300210.1016/s0016-7037(98)00097-010.1016/ |
_version_ |
1795037284373889024 |
spelling |
ftdatacite:10.1594/pangaea.938620 2024-03-31T07:55:25+00:00 Last interglacial and penultimate glacial sea surface temperature anomalies for the region south of 40°S, resampled to 2000 year resolution ... Chandler, David M Langebroek, Petra M 2021 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.938620 https://doi.pangaea.de/10.1594/PANGAEA.938620 en eng PANGAEA https://www.ncei.noaa.gov/products/ocean-climate-laboratory https://dx.doi.org/10.1594/pangaea.938621 https://dx.doi.org/10.1016/j.quascirev.2021.107191 https://dx.doi.org/10.1016/j.quascirev.2021.107190 https://dx.doi.org/10.1016/j.palaeo.2005.02.015 https://dx.doi.org/10.1016/j.palaeo.2005.03.028 https://dx.doi.org/10.1002/2016pa002946 https://dx.doi.org/10.1002/2016pa003002 https://www.ncei.noaa.gov/products/ocean-climate-laboratory https://dx.doi.org/10.1016/s0016-7037(98)00097-0 https://dx.doi.org/10.1016/0016-7037(88)90132-9 https://dx.doi.org/10.1016/j.palaeo.2005.03.027 https://dx.doi.org/10.1029/2018pa003507 https://dx.doi.org/10.31223/osf.io/y3xdg https://dx.doi.org/10.1002/2017pa003201 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 Alkenone Diatom assemblage Eemian foraminiferal assemblages Interglacial Last Interglacial marine isotope stage 5 marine isotope stage 6 Marine Sediment Core Mg/Ca Penultimate Glacial Maximum proxy Sea surface temperature Southern Ocean Event label Site Reference/source Uniform resource locator/link to reference Season Proxy Latitude of event Longitude of event AGE Sea surface temperature, anomaly Composite Core Box corer Gravity corer Core Gravity corer Kiel type Piston corer Giant piston corer Calypso Calypso Corer Calypso Corer II Piston corer BGR type Leg90 Leg177 Leg181 SO102/1 MD125 MD128 MD152 MD38 APSARA4 MD106 ANT-XXVI/2 ANT-VIII/3 ANT-IX/4 ANT-XI/2 RC11 dataset Dataset 2021 ftdatacite https://doi.org/10.1594/pangaea.93862010.1594/pangaea.93862110.1016/j.quascirev.2021.10719110.1016/j.quascirev.2021.10719010.1016/j.palaeo.2005.02.01510.1016/j.palaeo.2005.03.02810.1002/2016pa00294610.1002/2016pa00300210.1016/s0016-7037(98)00097-010.1016/ 2024-03-04T12:11:41Z Southern Ocean marine sediments provide an important archive of Quaternary glacial-interglacial climate changes. Sea surface temperature (SST) reconstructions in the Southern Ocean depend exclusively on the fossils or geochemical signatures of planktic organisms, but the strengths of these SST proxies remain poorly quantified in this region. To improve confidence in Southern Ocean paleoclimate reconstructions, we first evaluated the reliability of SST proxies employed at Quaternary glacial-interglacial time scales, focusing on three key potential problems: advection/dispersion, seasonality, and non-thermal influences. On that basis, we selected foraminifera assemblages, long-chain alkenones (UK'37 index), diatom assemblages, and the Globigerina bulloides Mg/Ca ratio as the most reliable SST proxies in the Southern Ocean. We also revised calibrations where appropriate, using core-top sediment databases. Overall, Southern Ocean SST reconstructions using these recommended proxies and calibrations should be ... : This dataset contains individual SST records for the region south of 40°S, resampled to 2000 year resolution following Chandler and Langebroek (QSR, in review). Time slices without a temperature within +/-1000 years are assigned empty rows. Age models are based on benthic d18O where possible, with planktic d18O as a second choice. d18O is aligned with the respective regional stack (Lisiecki and Stern, 2016). Records aligned by other methods (for example, aligning by SST), are not included.Temperatures based on alkenones were calculated using annual SST (°C) = 30.3*(UK'37) - 1.30 or summer SST (°C) = 29.7*(UK'37) + 0.30. The former is the Prahl et al. (1988) calibration; the latter a revised calibration (Chandler and Langebroek, QSR, in review).Temperatures based on G. bulloides Mg/Ca were calculated using annual SST (°C) = 13.0*ln(1.23*Mg/Ca), based on a revised calibration (Chandler and Langebroek, QSR, in review).Temperatures based on diatom assemblages were taken as published by the original ... Dataset Southern Ocean DataCite Metadata Store (German National Library of Science and Technology) Chandler ENVELOPE(-59.682,-59.682,-64.490,-64.490) Southern Ocean |