Sample locations, stratigraphic information and listing of carbon and oxygen isotope data of the measured planktonic foraminifera of surface sediments in the western South Atlantic Ocean (Table 1)
We explored the potential to use the stable isotopic compositions of planktonic foraminifera as a proxy for the position of the Brazil-Malvinas Confluence (BMC) in the Argentine Basin. For this purpose, we measured the oxygen and carbon isotopic compositions of Globigerinoides ruber (pink and white...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.614885 2024-09-15T18:31:02+00:00 Sample locations, stratigraphic information and listing of carbon and oxygen isotope data of the measured planktonic foraminifera of surface sediments in the western South Atlantic Ocean (Table 1) Chiessi, Cristiano Mazur Ulrich, Shannon Mulitza, Stefan Pätzold, Jürgen Wefer, Gerold MEDIAN LATITUDE: -34.510695 * MEDIAN LONGITUDE: -50.515825 * SOUTH-BOUND LATITUDE: -48.911667 * WEST-BOUND LONGITUDE: -60.091667 * NORTH-BOUND LATITUDE: -20.615000 * EAST-BOUND LONGITUDE: -37.103333 * DATE/TIME START: 1993-03-01T00:00:00 * DATE/TIME END: 2001-03-24T18:42:00 * MINIMUM DEPTH, sediment/rock: 0 m * MAXIMUM DEPTH, sediment/rock: 0 m 2007 text/tab-separated-values, 556 data points https://doi.pangaea.de/10.1594/PANGAEA.614885 https://doi.org/10.1594/PANGAEA.614885 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.614885 https://doi.org/10.1594/PANGAEA.614885 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess Supplement to: Chiessi, Cristiano Mazur; Ulrich, Shannon; Mulitza, Stefan; Pätzold, Jürgen; Wefer, Gerold (2007): Signature of the Brazil-Malvinas Confluence (Argentine Basin) in the isotopic composition of planktonic foraminifera from surface sediments. Marine Micropaleontology, 64(1-2), 52-66, https://doi.org/10.1016/j.marmicro.2007.02.002 Brazil Basin Center for Marine Environmental Sciences DEPTH sediment/rock Elevation of event Event label GeoB2102-1 GeoB2104-1 GeoB2105-3 GeoB2106-1 GeoB2107-5 GeoB2109-3 GeoB2119-2 GeoB2124-1 GeoB2126-1 GeoB2130-1 GeoB2707-4 GeoB2712-1 GeoB2714-5 GeoB2715-1 GeoB2718-1 GeoB2719-2 GeoB2722-2 GeoB2723-2 GeoB2726-3 GeoB2727-1 GeoB2802-2 GeoB2803-1 GeoB2804-2 GeoB2805-1 GeoB3205-2 GeoB3207-2 GeoB6202-5 GeoB6203-1 GeoB6204-2 GeoB6205-1 GeoB6208-1 GeoB6209-2 GeoB6210-1 GeoB6214-5 GeoB6216-1 GeoB6217-2 GeoB6218-1 GeoB6220-1 GeoB6222-2 GeoB6231-1 GeoB6232-1 GeoB6233-1 GeoB6234-1 GeoB6309-2 dataset 2007 ftpangaea https://doi.org/10.1594/PANGAEA.61488510.1016/j.marmicro.2007.02.002 2024-07-24T02:31:29Z We explored the potential to use the stable isotopic compositions of planktonic foraminifera as a proxy for the position of the Brazil-Malvinas Confluence (BMC) in the Argentine Basin. For this purpose, we measured the oxygen and carbon isotopic compositions of Globigerinoides ruber (pink and white varieties measured separately), Globigerinoides trilobus, Globigerina bulloides, Globorotalia inflata and Globorotalia truncatulinoides (left- and right-coiling forms measured separately) from a latitudinal transect of 56 surface sediment samples from the continental slope off Brazil, Uruguay and Argentina between 20 and 48°S. Lowest oxygen isotopes values were found in G. ruber (pink), followed by G. ruber (white) and G. trilobus reflecting the highly stratified near surface water conditions north of the BMC. Globigerina bulloides was present mainly south of the BMC and records subsurface conditions supporting earlier plankton tow studies. Globorotalia inflata and G. truncatulinoides (left and right) were both available over the whole transect and calcify in the depth level with the steepest temperature change across the BMC. Accordingly, the delta18O of these species depict a sharp gradient of 2‰ at the confluence with remarkably stable values north and south of the BMC. Our data show that the oxygen isotopic composition of G. inflata and G. truncatulinoides (left and right) are the most reliable indicators for the present position of the BMC and can therefore be used to define the past migration of the front if appropriate cores are available. Dataset Planktonic foraminifera South Atlantic Ocean PANGAEA - Data Publisher for Earth & Environmental Science ENVELOPE(-60.091667,-37.103333,-20.615000,-48.911667) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
Brazil Basin Center for Marine Environmental Sciences DEPTH sediment/rock Elevation of event Event label GeoB2102-1 GeoB2104-1 GeoB2105-3 GeoB2106-1 GeoB2107-5 GeoB2109-3 GeoB2119-2 GeoB2124-1 GeoB2126-1 GeoB2130-1 GeoB2707-4 GeoB2712-1 GeoB2714-5 GeoB2715-1 GeoB2718-1 GeoB2719-2 GeoB2722-2 GeoB2723-2 GeoB2726-3 GeoB2727-1 GeoB2802-2 GeoB2803-1 GeoB2804-2 GeoB2805-1 GeoB3205-2 GeoB3207-2 GeoB6202-5 GeoB6203-1 GeoB6204-2 GeoB6205-1 GeoB6208-1 GeoB6209-2 GeoB6210-1 GeoB6214-5 GeoB6216-1 GeoB6217-2 GeoB6218-1 GeoB6220-1 GeoB6222-2 GeoB6231-1 GeoB6232-1 GeoB6233-1 GeoB6234-1 GeoB6309-2 |
spellingShingle |
Brazil Basin Center for Marine Environmental Sciences DEPTH sediment/rock Elevation of event Event label GeoB2102-1 GeoB2104-1 GeoB2105-3 GeoB2106-1 GeoB2107-5 GeoB2109-3 GeoB2119-2 GeoB2124-1 GeoB2126-1 GeoB2130-1 GeoB2707-4 GeoB2712-1 GeoB2714-5 GeoB2715-1 GeoB2718-1 GeoB2719-2 GeoB2722-2 GeoB2723-2 GeoB2726-3 GeoB2727-1 GeoB2802-2 GeoB2803-1 GeoB2804-2 GeoB2805-1 GeoB3205-2 GeoB3207-2 GeoB6202-5 GeoB6203-1 GeoB6204-2 GeoB6205-1 GeoB6208-1 GeoB6209-2 GeoB6210-1 GeoB6214-5 GeoB6216-1 GeoB6217-2 GeoB6218-1 GeoB6220-1 GeoB6222-2 GeoB6231-1 GeoB6232-1 GeoB6233-1 GeoB6234-1 GeoB6309-2 Chiessi, Cristiano Mazur Ulrich, Shannon Mulitza, Stefan Pätzold, Jürgen Wefer, Gerold Sample locations, stratigraphic information and listing of carbon and oxygen isotope data of the measured planktonic foraminifera of surface sediments in the western South Atlantic Ocean (Table 1) |
topic_facet |
Brazil Basin Center for Marine Environmental Sciences DEPTH sediment/rock Elevation of event Event label GeoB2102-1 GeoB2104-1 GeoB2105-3 GeoB2106-1 GeoB2107-5 GeoB2109-3 GeoB2119-2 GeoB2124-1 GeoB2126-1 GeoB2130-1 GeoB2707-4 GeoB2712-1 GeoB2714-5 GeoB2715-1 GeoB2718-1 GeoB2719-2 GeoB2722-2 GeoB2723-2 GeoB2726-3 GeoB2727-1 GeoB2802-2 GeoB2803-1 GeoB2804-2 GeoB2805-1 GeoB3205-2 GeoB3207-2 GeoB6202-5 GeoB6203-1 GeoB6204-2 GeoB6205-1 GeoB6208-1 GeoB6209-2 GeoB6210-1 GeoB6214-5 GeoB6216-1 GeoB6217-2 GeoB6218-1 GeoB6220-1 GeoB6222-2 GeoB6231-1 GeoB6232-1 GeoB6233-1 GeoB6234-1 GeoB6309-2 |
description |
We explored the potential to use the stable isotopic compositions of planktonic foraminifera as a proxy for the position of the Brazil-Malvinas Confluence (BMC) in the Argentine Basin. For this purpose, we measured the oxygen and carbon isotopic compositions of Globigerinoides ruber (pink and white varieties measured separately), Globigerinoides trilobus, Globigerina bulloides, Globorotalia inflata and Globorotalia truncatulinoides (left- and right-coiling forms measured separately) from a latitudinal transect of 56 surface sediment samples from the continental slope off Brazil, Uruguay and Argentina between 20 and 48°S. Lowest oxygen isotopes values were found in G. ruber (pink), followed by G. ruber (white) and G. trilobus reflecting the highly stratified near surface water conditions north of the BMC. Globigerina bulloides was present mainly south of the BMC and records subsurface conditions supporting earlier plankton tow studies. Globorotalia inflata and G. truncatulinoides (left and right) were both available over the whole transect and calcify in the depth level with the steepest temperature change across the BMC. Accordingly, the delta18O of these species depict a sharp gradient of 2‰ at the confluence with remarkably stable values north and south of the BMC. Our data show that the oxygen isotopic composition of G. inflata and G. truncatulinoides (left and right) are the most reliable indicators for the present position of the BMC and can therefore be used to define the past migration of the front if appropriate cores are available. |
format |
Dataset |
author |
Chiessi, Cristiano Mazur Ulrich, Shannon Mulitza, Stefan Pätzold, Jürgen Wefer, Gerold |
author_facet |
Chiessi, Cristiano Mazur Ulrich, Shannon Mulitza, Stefan Pätzold, Jürgen Wefer, Gerold |
author_sort |
Chiessi, Cristiano Mazur |
title |
Sample locations, stratigraphic information and listing of carbon and oxygen isotope data of the measured planktonic foraminifera of surface sediments in the western South Atlantic Ocean (Table 1) |
title_short |
Sample locations, stratigraphic information and listing of carbon and oxygen isotope data of the measured planktonic foraminifera of surface sediments in the western South Atlantic Ocean (Table 1) |
title_full |
Sample locations, stratigraphic information and listing of carbon and oxygen isotope data of the measured planktonic foraminifera of surface sediments in the western South Atlantic Ocean (Table 1) |
title_fullStr |
Sample locations, stratigraphic information and listing of carbon and oxygen isotope data of the measured planktonic foraminifera of surface sediments in the western South Atlantic Ocean (Table 1) |
title_full_unstemmed |
Sample locations, stratigraphic information and listing of carbon and oxygen isotope data of the measured planktonic foraminifera of surface sediments in the western South Atlantic Ocean (Table 1) |
title_sort |
sample locations, stratigraphic information and listing of carbon and oxygen isotope data of the measured planktonic foraminifera of surface sediments in the western south atlantic ocean (table 1) |
publisher |
PANGAEA |
publishDate |
2007 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.614885 https://doi.org/10.1594/PANGAEA.614885 |
op_coverage |
MEDIAN LATITUDE: -34.510695 * MEDIAN LONGITUDE: -50.515825 * SOUTH-BOUND LATITUDE: -48.911667 * WEST-BOUND LONGITUDE: -60.091667 * NORTH-BOUND LATITUDE: -20.615000 * EAST-BOUND LONGITUDE: -37.103333 * DATE/TIME START: 1993-03-01T00:00:00 * DATE/TIME END: 2001-03-24T18:42:00 * MINIMUM DEPTH, sediment/rock: 0 m * MAXIMUM DEPTH, sediment/rock: 0 m |
long_lat |
ENVELOPE(-60.091667,-37.103333,-20.615000,-48.911667) |
genre |
Planktonic foraminifera South Atlantic Ocean |
genre_facet |
Planktonic foraminifera South Atlantic Ocean |
op_source |
Supplement to: Chiessi, Cristiano Mazur; Ulrich, Shannon; Mulitza, Stefan; Pätzold, Jürgen; Wefer, Gerold (2007): Signature of the Brazil-Malvinas Confluence (Argentine Basin) in the isotopic composition of planktonic foraminifera from surface sediments. Marine Micropaleontology, 64(1-2), 52-66, https://doi.org/10.1016/j.marmicro.2007.02.002 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.614885 https://doi.org/10.1594/PANGAEA.614885 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1594/PANGAEA.61488510.1016/j.marmicro.2007.02.002 |
_version_ |
1810472627616088064 |