Nd-Sr isotopes, diatom and biogenic opal content of Pliocene sediments from IODP Site 318-U1361
Warm intervals within the Pliocene epoch (5.33-2.58 million years ago) were characterized by global temperatures comparable to those predicted for the end of this century (Haywood and Valdes, doi:10.1016/S0012-821X(03)00685-X) and atmospheric CO2 concentrations similar to today (Seki et al., 2010, d...
Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
---|---|
Format: | Dataset |
Language: | English |
Published: |
PANGAEA
2013
|
Subjects: | |
Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.832593 https://doi.org/10.1594/PANGAEA.832593 |
id |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.832593 |
---|---|
record_format |
openpolar |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
Integrated Ocean Drilling Program / International Ocean Discovery Program IODP |
spellingShingle |
Integrated Ocean Drilling Program / International Ocean Discovery Program IODP Cook, Carys P van de Flierdt, Tina Williams, Trevor J Hemming, Sidney R Iwai, Masao Kobayashi, Munemasa Jiménez-Espejo, Francisco Jose Escutia, Carlota Gonzàlez, Jhon Jairo Khim, Boo-Keun McKay, Robert M Passchier, Sandra Bohaty, Steven M Riesselman, Christina R Tauxe, Lisa Sugisaki, Saiko Lopez Galindo, Alberto Patterson, Molly O Sangiorgi, Francesca Pierce, Elizabeth L Brinkhuis, Henk Klaus, Adam Fehr, Annick Bendle, James A Bijl, Peter K Carr, Stephanie A Dunbar, Robert B Flores, José-Abel Hayden, Travis G Katsuki, Kota Kong, Gee Soo Nakai, Mutsumi Olney, Matthew P Pekar, Stephen F Pross, Jörg Röhl, Ursula Sakai, Toyusaburo Shrivastava, Prakash Kumar Stickley, Catherine E Tuo, Shouting Welsh, Kevin Yamane, Masako Nd-Sr isotopes, diatom and biogenic opal content of Pliocene sediments from IODP Site 318-U1361 |
topic_facet |
Integrated Ocean Drilling Program / International Ocean Discovery Program IODP |
description |
Warm intervals within the Pliocene epoch (5.33-2.58 million years ago) were characterized by global temperatures comparable to those predicted for the end of this century (Haywood and Valdes, doi:10.1016/S0012-821X(03)00685-X) and atmospheric CO2 concentrations similar to today (Seki et al., 2010, doi:10.1016/j.epsl.2010.01.037; Bartoli et al., 2011, doi:10.1029/2010PA002055; Pagani et al., 2010, doi:10.1038/ngeo724). Estimates for global sea level highstands during these times (Miller et al., 2012, doi:10.1130/G32869.1) imply possible retreat of the East Antarctic ice sheet, but ice-proximal evidence from the Antarctic margin is scarce. Here we present new data from Pliocene marine sediments recovered offshore of Adélie Land, East Antarctica, that reveal dynamic behaviour of the East Antarctic ice sheet in the vicinity of the low-lying Wilkes Subglacial Basin during times of past climatic warmth. Sedimentary sequences deposited between 5.3 and 3.3 million years ago indicate increases in Southern Ocean surface water productivity, associated with elevated circum-Antarctic temperatures. The geochemical provenance of detrital material deposited during these warm intervals suggests active erosion of continental bedrock from within the Wilkes Subglacial Basin, an area today buried beneath the East Antarctic ice sheet. We interpret this erosion to be associated with retreat of the ice sheet margin several hundreds of kilometres inland and conclude that the East Antarctic ice sheet was sensitive to climatic warmth during the Pliocene. |
format |
Dataset |
author |
Cook, Carys P van de Flierdt, Tina Williams, Trevor J Hemming, Sidney R Iwai, Masao Kobayashi, Munemasa Jiménez-Espejo, Francisco Jose Escutia, Carlota Gonzàlez, Jhon Jairo Khim, Boo-Keun McKay, Robert M Passchier, Sandra Bohaty, Steven M Riesselman, Christina R Tauxe, Lisa Sugisaki, Saiko Lopez Galindo, Alberto Patterson, Molly O Sangiorgi, Francesca Pierce, Elizabeth L Brinkhuis, Henk Klaus, Adam Fehr, Annick Bendle, James A Bijl, Peter K Carr, Stephanie A Dunbar, Robert B Flores, José-Abel Hayden, Travis G Katsuki, Kota Kong, Gee Soo Nakai, Mutsumi Olney, Matthew P Pekar, Stephen F Pross, Jörg Röhl, Ursula Sakai, Toyusaburo Shrivastava, Prakash Kumar Stickley, Catherine E Tuo, Shouting Welsh, Kevin Yamane, Masako |
author_facet |
Cook, Carys P van de Flierdt, Tina Williams, Trevor J Hemming, Sidney R Iwai, Masao Kobayashi, Munemasa Jiménez-Espejo, Francisco Jose Escutia, Carlota Gonzàlez, Jhon Jairo Khim, Boo-Keun McKay, Robert M Passchier, Sandra Bohaty, Steven M Riesselman, Christina R Tauxe, Lisa Sugisaki, Saiko Lopez Galindo, Alberto Patterson, Molly O Sangiorgi, Francesca Pierce, Elizabeth L Brinkhuis, Henk Klaus, Adam Fehr, Annick Bendle, James A Bijl, Peter K Carr, Stephanie A Dunbar, Robert B Flores, José-Abel Hayden, Travis G Katsuki, Kota Kong, Gee Soo Nakai, Mutsumi Olney, Matthew P Pekar, Stephen F Pross, Jörg Röhl, Ursula Sakai, Toyusaburo Shrivastava, Prakash Kumar Stickley, Catherine E Tuo, Shouting Welsh, Kevin Yamane, Masako |
author_sort |
Cook, Carys P |
title |
Nd-Sr isotopes, diatom and biogenic opal content of Pliocene sediments from IODP Site 318-U1361 |
title_short |
Nd-Sr isotopes, diatom and biogenic opal content of Pliocene sediments from IODP Site 318-U1361 |
title_full |
Nd-Sr isotopes, diatom and biogenic opal content of Pliocene sediments from IODP Site 318-U1361 |
title_fullStr |
Nd-Sr isotopes, diatom and biogenic opal content of Pliocene sediments from IODP Site 318-U1361 |
title_full_unstemmed |
Nd-Sr isotopes, diatom and biogenic opal content of Pliocene sediments from IODP Site 318-U1361 |
title_sort |
nd-sr isotopes, diatom and biogenic opal content of pliocene sediments from iodp site 318-u1361 |
publisher |
PANGAEA |
publishDate |
2013 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.832593 https://doi.org/10.1594/PANGAEA.832593 |
op_coverage |
MEDIAN LATITUDE: -64.227243 * MEDIAN LONGITUDE: 143.233907 * SOUTH-BOUND LATITUDE: -66.367325 * WEST-BOUND LONGITUDE: 140.070200 * NORTH-BOUND LATITUDE: -61.676200 * EAST-BOUND LONGITUDE: 143.961375 * DATE/TIME START: 1973-01-17T00:00:00 * DATE/TIME END: 1973-01-17T00:00:00 |
long_lat |
ENVELOPE(145.000,145.000,-75.000,-75.000) ENVELOPE(140.070200,143.961375,-61.676200,-66.367325) |
geographic |
Antarctic Southern Ocean The Antarctic East Antarctica East Antarctic Ice Sheet Wilkes Subglacial Basin |
geographic_facet |
Antarctic Southern Ocean The Antarctic East Antarctica East Antarctic Ice Sheet Wilkes Subglacial Basin |
genre |
Antarc* Antarctic Antarctica East Antarctica Ice Sheet Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctica East Antarctica Ice Sheet Southern Ocean |
op_source |
Supplement to: Cook, Carys P; van de Flierdt, Tina; Williams, Trevor J; Hemming, Sidney R; Iwai, Masao; Kobayashi, Munemasa; Jiménez-Espejo, Francisco Jose; Escutia, Carlota; Gonzàlez, Jhon Jairo; Khim, Boo-Keun; McKay, Robert M; Passchier, Sandra; Bohaty, Steven M; Riesselman, Christina R; Tauxe, Lisa; Sugisaki, Saiko; Lopez Galindo, Alberto; Patterson, Molly O; Sangiorgi, Francesca; Pierce, Elizabeth L; Brinkhuis, Henk; Klaus, Adam; Fehr, Annick; Bendle, James A; Bijl, Peter K; Carr, Stephanie A; Dunbar, Robert B; Flores, José-Abel; Hayden, Travis G; Katsuki, Kota; Kong, Gee Soo; Nakai, Mutsumi; Olney, Matthew P; Pekar, Stephen F; Pross, Jörg; Röhl, Ursula; Sakai, Toyusaburo; Shrivastava, Prakash Kumar; Stickley, Catherine E; Tuo, Shouting; Welsh, Kevin; Yamane, Masako (2013): Dynamic behaviour of the East Antarctic ice sheet during Pliocene warmth. Nature Geoscience, 6(9), 765-769, https://doi.org/10.1038/ngeo1889 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.832593 https://doi.org/10.1594/PANGAEA.832593 |
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.83259310.1038/ngeo1889 |
_version_ |
1800750340870504448 |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.832593 2024-06-02T07:55:40+00:00 Nd-Sr isotopes, diatom and biogenic opal content of Pliocene sediments from IODP Site 318-U1361 Cook, Carys P van de Flierdt, Tina Williams, Trevor J Hemming, Sidney R Iwai, Masao Kobayashi, Munemasa Jiménez-Espejo, Francisco Jose Escutia, Carlota Gonzàlez, Jhon Jairo Khim, Boo-Keun McKay, Robert M Passchier, Sandra Bohaty, Steven M Riesselman, Christina R Tauxe, Lisa Sugisaki, Saiko Lopez Galindo, Alberto Patterson, Molly O Sangiorgi, Francesca Pierce, Elizabeth L Brinkhuis, Henk Klaus, Adam Fehr, Annick Bendle, James A Bijl, Peter K Carr, Stephanie A Dunbar, Robert B Flores, José-Abel Hayden, Travis G Katsuki, Kota Kong, Gee Soo Nakai, Mutsumi Olney, Matthew P Pekar, Stephen F Pross, Jörg Röhl, Ursula Sakai, Toyusaburo Shrivastava, Prakash Kumar Stickley, Catherine E Tuo, Shouting Welsh, Kevin Yamane, Masako MEDIAN LATITUDE: -64.227243 * MEDIAN LONGITUDE: 143.233907 * SOUTH-BOUND LATITUDE: -66.367325 * WEST-BOUND LONGITUDE: 140.070200 * NORTH-BOUND LATITUDE: -61.676200 * EAST-BOUND LONGITUDE: 143.961375 * DATE/TIME START: 1973-01-17T00:00:00 * DATE/TIME END: 1973-01-17T00:00:00 2013 application/zip, 3 datasets https://doi.pangaea.de/10.1594/PANGAEA.832593 https://doi.org/10.1594/PANGAEA.832593 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.832593 https://doi.org/10.1594/PANGAEA.832593 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess Supplement to: Cook, Carys P; van de Flierdt, Tina; Williams, Trevor J; Hemming, Sidney R; Iwai, Masao; Kobayashi, Munemasa; Jiménez-Espejo, Francisco Jose; Escutia, Carlota; Gonzàlez, Jhon Jairo; Khim, Boo-Keun; McKay, Robert M; Passchier, Sandra; Bohaty, Steven M; Riesselman, Christina R; Tauxe, Lisa; Sugisaki, Saiko; Lopez Galindo, Alberto; Patterson, Molly O; Sangiorgi, Francesca; Pierce, Elizabeth L; Brinkhuis, Henk; Klaus, Adam; Fehr, Annick; Bendle, James A; Bijl, Peter K; Carr, Stephanie A; Dunbar, Robert B; Flores, José-Abel; Hayden, Travis G; Katsuki, Kota; Kong, Gee Soo; Nakai, Mutsumi; Olney, Matthew P; Pekar, Stephen F; Pross, Jörg; Röhl, Ursula; Sakai, Toyusaburo; Shrivastava, Prakash Kumar; Stickley, Catherine E; Tuo, Shouting; Welsh, Kevin; Yamane, Masako (2013): Dynamic behaviour of the East Antarctic ice sheet during Pliocene warmth. Nature Geoscience, 6(9), 765-769, https://doi.org/10.1038/ngeo1889 Integrated Ocean Drilling Program / International Ocean Discovery Program IODP Dataset 2013 ftpangaea https://doi.org/10.1594/PANGAEA.83259310.1038/ngeo1889 2024-05-07T23:45:53Z Warm intervals within the Pliocene epoch (5.33-2.58 million years ago) were characterized by global temperatures comparable to those predicted for the end of this century (Haywood and Valdes, doi:10.1016/S0012-821X(03)00685-X) and atmospheric CO2 concentrations similar to today (Seki et al., 2010, doi:10.1016/j.epsl.2010.01.037; Bartoli et al., 2011, doi:10.1029/2010PA002055; Pagani et al., 2010, doi:10.1038/ngeo724). Estimates for global sea level highstands during these times (Miller et al., 2012, doi:10.1130/G32869.1) imply possible retreat of the East Antarctic ice sheet, but ice-proximal evidence from the Antarctic margin is scarce. Here we present new data from Pliocene marine sediments recovered offshore of Adélie Land, East Antarctica, that reveal dynamic behaviour of the East Antarctic ice sheet in the vicinity of the low-lying Wilkes Subglacial Basin during times of past climatic warmth. Sedimentary sequences deposited between 5.3 and 3.3 million years ago indicate increases in Southern Ocean surface water productivity, associated with elevated circum-Antarctic temperatures. The geochemical provenance of detrital material deposited during these warm intervals suggests active erosion of continental bedrock from within the Wilkes Subglacial Basin, an area today buried beneath the East Antarctic ice sheet. We interpret this erosion to be associated with retreat of the ice sheet margin several hundreds of kilometres inland and conclude that the East Antarctic ice sheet was sensitive to climatic warmth during the Pliocene. Dataset Antarc* Antarctic Antarctica East Antarctica Ice Sheet Southern Ocean PANGAEA - Data Publisher for Earth & Environmental Science Antarctic Southern Ocean The Antarctic East Antarctica East Antarctic Ice Sheet Wilkes Subglacial Basin ENVELOPE(145.000,145.000,-75.000,-75.000) ENVELOPE(140.070200,143.961375,-61.676200,-66.367325) |