Sea surface temperature reconstruction based on planktonic foraminifera of surface sediments and sediment cores off Iberia
Quantitative and qualitative analyses of planktonic foraminiferal assemblages from 134 core-top sediment samples collected along the western Iberian margin were used to assess the latitudinal and longitudinal changes in surface water conditions and to calibrate a Sea Surface Temperature (SST) transf...
Main Authors: | , , , , , , , , , , |
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Format: | Dataset |
Language: | English |
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PANGAEA
2008
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Subjects: | |
Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.743256 https://doi.org/10.1594/PANGAEA.743256 |
id |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.743256 |
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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 |
BC BCR Box corer Box corer (Reineck) GAP GeoB9014-1 Giant box corer GKG Gravity corer (Kiel type) M39/1 M39/1_02-3 M39/1_03-2 M39/1_04-2 M39/1_16-2 M39/1_17-4 M39/1_21-5 M39/1_22-1 M39/1_22-3 M39/1_23-3 M39/1_29-6 M39/1_35-3 M39/1_58-1 M39/1_59-2 M39/1_70-1 M39/1_72-1 M39021-5 M39022-1 M39058-1 M39059-2 M39070-1 M39072-1 MARFLUX Meteor (1986) MUC MultiCorer Multicorer with television North Atlantic off Portugal PALEO 1 Portuguese Margin POS200/10 POS200/10_1-2 POS200/10_3-1 POS200/10_5-1 POS200/10_5-2 POS287 POS287_05-1B POS287_08-1B POS287_13-1B POS287_15-1B |
spellingShingle |
BC BCR Box corer Box corer (Reineck) GAP GeoB9014-1 Giant box corer GKG Gravity corer (Kiel type) M39/1 M39/1_02-3 M39/1_03-2 M39/1_04-2 M39/1_16-2 M39/1_17-4 M39/1_21-5 M39/1_22-1 M39/1_22-3 M39/1_23-3 M39/1_29-6 M39/1_35-3 M39/1_58-1 M39/1_59-2 M39/1_70-1 M39/1_72-1 M39021-5 M39022-1 M39058-1 M39059-2 M39070-1 M39072-1 MARFLUX Meteor (1986) MUC MultiCorer Multicorer with television North Atlantic off Portugal PALEO 1 Portuguese Margin POS200/10 POS200/10_1-2 POS200/10_3-1 POS200/10_5-1 POS200/10_5-2 POS287 POS287_05-1B POS287_08-1B POS287_13-1B POS287_15-1B Salgueiro, Emilia Voelker, Antje H L Abrantes, Fatima F Meggers, Helge Pflaumann, Uwe Loncaric, Neven González-Álvarez, Raquel Oliveira, Paulo Bartels-Jonsdottir, Helga B Moreno, João Wefer, Gerold Sea surface temperature reconstruction based on planktonic foraminifera of surface sediments and sediment cores off Iberia |
topic_facet |
BC BCR Box corer Box corer (Reineck) GAP GeoB9014-1 Giant box corer GKG Gravity corer (Kiel type) M39/1 M39/1_02-3 M39/1_03-2 M39/1_04-2 M39/1_16-2 M39/1_17-4 M39/1_21-5 M39/1_22-1 M39/1_22-3 M39/1_23-3 M39/1_29-6 M39/1_35-3 M39/1_58-1 M39/1_59-2 M39/1_70-1 M39/1_72-1 M39021-5 M39022-1 M39058-1 M39059-2 M39070-1 M39072-1 MARFLUX Meteor (1986) MUC MultiCorer Multicorer with television North Atlantic off Portugal PALEO 1 Portuguese Margin POS200/10 POS200/10_1-2 POS200/10_3-1 POS200/10_5-1 POS200/10_5-2 POS287 POS287_05-1B POS287_08-1B POS287_13-1B POS287_15-1B |
description |
Quantitative and qualitative analyses of planktonic foraminiferal assemblages from 134 core-top sediment samples collected along the western Iberian margin were used to assess the latitudinal and longitudinal changes in surface water conditions and to calibrate a Sea Surface Temperature (SST) transfer function for this seasonal coastal upwelling region. Q-mode factor analysis performed on relative abundances yielded three factors that explain 96% of the total variance: factor 1 (50%) is exclusively defined by Globigerina bulloides, the most abundant and widespread species, and reflects the modern seasonal (May to September) coastal upwelling areas; factor 2 (32%) is dominated by Neogloboquadrina pachyderma (dextral) and Globorotalia inflata and seems to be associated with the Portugal Current, the descending branch of the North Atlantic Drift; factor 3 (14%) is defined by the tropical-sub-tropical species Globigerinoides ruber (white), Globigerinoides trilobus trilobus, and G. inflata and mirrors the influence of the winter-time eastern branch of the Azores Current. In conjunction with satellite-derived SST for summer and winter seasons integrated over an 18 year period the regional foraminiferal data set is used to calibrate a SST transfer function using Imbrie & Kipp, MAT and SIMMAX(ndw) techniques. Similar predicted errors (RMSEP), correlation coefficients, and residuals' deviation from SST estimated for both techniques were observed for both seasons. All techniques appear to underestimate SST off the southern Iberia margin, an area mainly occupied by warm waters where upwelling occurs only occasionally, and overestimate SST on the northern part of the west coast of the Iberia margin, where cold waters are present nearly all year round. The comparison of these regional calibrations with former Atlantic and North Atlantic calibrations for two cores, one of which is influenced by upwelling, reveals that the regional one attests more robust paleo-SSTs than for the other approaches. |
format |
Dataset |
author |
Salgueiro, Emilia Voelker, Antje H L Abrantes, Fatima F Meggers, Helge Pflaumann, Uwe Loncaric, Neven González-Álvarez, Raquel Oliveira, Paulo Bartels-Jonsdottir, Helga B Moreno, João Wefer, Gerold |
author_facet |
Salgueiro, Emilia Voelker, Antje H L Abrantes, Fatima F Meggers, Helge Pflaumann, Uwe Loncaric, Neven González-Álvarez, Raquel Oliveira, Paulo Bartels-Jonsdottir, Helga B Moreno, João Wefer, Gerold |
author_sort |
Salgueiro, Emilia |
title |
Sea surface temperature reconstruction based on planktonic foraminifera of surface sediments and sediment cores off Iberia |
title_short |
Sea surface temperature reconstruction based on planktonic foraminifera of surface sediments and sediment cores off Iberia |
title_full |
Sea surface temperature reconstruction based on planktonic foraminifera of surface sediments and sediment cores off Iberia |
title_fullStr |
Sea surface temperature reconstruction based on planktonic foraminifera of surface sediments and sediment cores off Iberia |
title_full_unstemmed |
Sea surface temperature reconstruction based on planktonic foraminifera of surface sediments and sediment cores off Iberia |
title_sort |
sea surface temperature reconstruction based on planktonic foraminifera of surface sediments and sediment cores off iberia |
publisher |
PANGAEA |
publishDate |
2008 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.743256 https://doi.org/10.1594/PANGAEA.743256 |
op_coverage |
MEDIAN LATITUDE: 38.280492 * MEDIAN LONGITUDE: -8.784599 * SOUTH-BOUND LATITUDE: 35.885500 * WEST-BOUND LONGITUDE: -11.156500 * NORTH-BOUND LATITUDE: 43.966700 * EAST-BOUND LONGITUDE: -7.222700 * DATE/TIME START: 1991-12-01T00:00:00 * DATE/TIME END: 2003-12-01T15:55:00 |
long_lat |
ENVELOPE(-11.156500,-7.222700,43.966700,35.885500) |
genre |
Neogloboquadrina pachyderma North Atlantic Planktonic foraminifera |
genre_facet |
Neogloboquadrina pachyderma North Atlantic Planktonic foraminifera |
op_source |
Supplement to: Salgueiro, Emilia; Voelker, Antje H L; Abrantes, Fatima F; Meggers, Helge; Pflaumann, Uwe; Loncaric, Neven; González-Álvarez, Raquel; Oliveira, Paulo; Bartels-Jonsdottir, Helga B; Moreno, João; Wefer, Gerold (2008): Planktonic foraminifera from modern sediments reflect upwelling patterns off Iberia: Insights from a regional transfer function. Marine Micropaleontology, 66(3-4), 135-164, https://doi.org/10.1016/j.marmicro.2007.09.003 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.743256 https://doi.org/10.1594/PANGAEA.743256 |
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.743256 https://doi.org/10.1016/j.marmicro.2007.09.003 |
_version_ |
1766073162965975040 |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.743256 2023-05-15T17:15:01+02:00 Sea surface temperature reconstruction based on planktonic foraminifera of surface sediments and sediment cores off Iberia Salgueiro, Emilia Voelker, Antje H L Abrantes, Fatima F Meggers, Helge Pflaumann, Uwe Loncaric, Neven González-Álvarez, Raquel Oliveira, Paulo Bartels-Jonsdottir, Helga B Moreno, João Wefer, Gerold MEDIAN LATITUDE: 38.280492 * MEDIAN LONGITUDE: -8.784599 * SOUTH-BOUND LATITUDE: 35.885500 * WEST-BOUND LONGITUDE: -11.156500 * NORTH-BOUND LATITUDE: 43.966700 * EAST-BOUND LONGITUDE: -7.222700 * DATE/TIME START: 1991-12-01T00:00:00 * DATE/TIME END: 2003-12-01T15:55:00 2008-07-21 application/zip, 6 datasets https://doi.pangaea.de/10.1594/PANGAEA.743256 https://doi.org/10.1594/PANGAEA.743256 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.743256 https://doi.org/10.1594/PANGAEA.743256 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Salgueiro, Emilia; Voelker, Antje H L; Abrantes, Fatima F; Meggers, Helge; Pflaumann, Uwe; Loncaric, Neven; González-Álvarez, Raquel; Oliveira, Paulo; Bartels-Jonsdottir, Helga B; Moreno, João; Wefer, Gerold (2008): Planktonic foraminifera from modern sediments reflect upwelling patterns off Iberia: Insights from a regional transfer function. Marine Micropaleontology, 66(3-4), 135-164, https://doi.org/10.1016/j.marmicro.2007.09.003 BC BCR Box corer Box corer (Reineck) GAP GeoB9014-1 Giant box corer GKG Gravity corer (Kiel type) M39/1 M39/1_02-3 M39/1_03-2 M39/1_04-2 M39/1_16-2 M39/1_17-4 M39/1_21-5 M39/1_22-1 M39/1_22-3 M39/1_23-3 M39/1_29-6 M39/1_35-3 M39/1_58-1 M39/1_59-2 M39/1_70-1 M39/1_72-1 M39021-5 M39022-1 M39058-1 M39059-2 M39070-1 M39072-1 MARFLUX Meteor (1986) MUC MultiCorer Multicorer with television North Atlantic off Portugal PALEO 1 Portuguese Margin POS200/10 POS200/10_1-2 POS200/10_3-1 POS200/10_5-1 POS200/10_5-2 POS287 POS287_05-1B POS287_08-1B POS287_13-1B POS287_15-1B Dataset 2008 ftpangaea https://doi.org/10.1594/PANGAEA.743256 https://doi.org/10.1016/j.marmicro.2007.09.003 2023-01-20T07:31:51Z Quantitative and qualitative analyses of planktonic foraminiferal assemblages from 134 core-top sediment samples collected along the western Iberian margin were used to assess the latitudinal and longitudinal changes in surface water conditions and to calibrate a Sea Surface Temperature (SST) transfer function for this seasonal coastal upwelling region. Q-mode factor analysis performed on relative abundances yielded three factors that explain 96% of the total variance: factor 1 (50%) is exclusively defined by Globigerina bulloides, the most abundant and widespread species, and reflects the modern seasonal (May to September) coastal upwelling areas; factor 2 (32%) is dominated by Neogloboquadrina pachyderma (dextral) and Globorotalia inflata and seems to be associated with the Portugal Current, the descending branch of the North Atlantic Drift; factor 3 (14%) is defined by the tropical-sub-tropical species Globigerinoides ruber (white), Globigerinoides trilobus trilobus, and G. inflata and mirrors the influence of the winter-time eastern branch of the Azores Current. In conjunction with satellite-derived SST for summer and winter seasons integrated over an 18 year period the regional foraminiferal data set is used to calibrate a SST transfer function using Imbrie & Kipp, MAT and SIMMAX(ndw) techniques. Similar predicted errors (RMSEP), correlation coefficients, and residuals' deviation from SST estimated for both techniques were observed for both seasons. All techniques appear to underestimate SST off the southern Iberia margin, an area mainly occupied by warm waters where upwelling occurs only occasionally, and overestimate SST on the northern part of the west coast of the Iberia margin, where cold waters are present nearly all year round. The comparison of these regional calibrations with former Atlantic and North Atlantic calibrations for two cores, one of which is influenced by upwelling, reveals that the regional one attests more robust paleo-SSTs than for the other approaches. Dataset Neogloboquadrina pachyderma North Atlantic Planktonic foraminifera PANGAEA - Data Publisher for Earth & Environmental Science ENVELOPE(-11.156500,-7.222700,43.966700,35.885500) |