Stable isotope data (δ¹³C) from sediment core SO201-2-101KL (58°52' N, 170°41' E) and ODP Site 1240 (00°01' N, 82°27' W)
We provide high-resolution foraminiferal stable carbon isotope (d13C) records from the subarctic Pacific and Eastern Equatorial Pacific (EEP) to investigate circulation dynamics between the extra-tropical and tropical North Pacific during the past 60 kyr. We measured the d13C composition of the epib...
Main Authors: | , , , , , |
---|---|
Format: | Dataset |
Language: | English |
Published: |
PANGAEA
2016
|
Subjects: | |
Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.869243 https://doi.org/10.1594/PANGAEA.869243 |
id |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.869243 |
---|---|
record_format |
openpolar |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.869243 2023-05-15T15:43:55+02:00 Stable isotope data (δ¹³C) from sediment core SO201-2-101KL (58°52' N, 170°41' E) and ODP Site 1240 (00°01' N, 82°27' W) Max, Lars Rippert, Nadine Lembke-Jene, Lester Mackensen, Andreas Nürnberg, Dirk Tiedemann, Ralf MEDIAN LATITUDE: 29.448592 * MEDIAN LONGITUDE: -137.885898 * SOUTH-BOUND LATITUDE: 0.021850 * WEST-BOUND LONGITUDE: 170.690833 * NORTH-BOUND LATITUDE: 58.875333 * EAST-BOUND LONGITUDE: -86.462630 * DATE/TIME START: 2002-05-16T00:00:00 * DATE/TIME END: 2009-09-22T00:06:00 2016-12-08 application/zip, 2 datasets https://doi.pangaea.de/10.1594/PANGAEA.869243 https://doi.org/10.1594/PANGAEA.869243 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.869243 https://doi.org/10.1594/PANGAEA.869243 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Max, Lars; Rippert, Nadine; Lembke-Jene, Lester; Mackensen, Andreas; Nürnberg, Dirk; Tiedemann, Ralf (2016): Evidence for enhanced convection of North Pacific Intermediate Water to the low-latitude Pacific under glacial conditions. Paleoceanography, 32, 15 pp, https://doi.org/10.1002/2016PA002994 AWI_Paleo Paleoenvironmental Reconstructions from Marine Sediments @ AWI Dataset 2016 ftpangaea https://doi.org/10.1594/PANGAEA.869243 https://doi.org/10.1002/2016PA002994 2023-01-20T07:33:49Z We provide high-resolution foraminiferal stable carbon isotope (d13C) records from the subarctic Pacific and Eastern Equatorial Pacific (EEP) to investigate circulation dynamics between the extra-tropical and tropical North Pacific during the past 60 kyr. We measured the d13C composition of the epibenthic foraminiferal species Cibicides lobatulus from a shallow sediment core recovered from the western Bering Sea (SO201-2-101KL; 58°52.52' N, 170°41.45' E; 630 m water depth) to reconstruct past ventilation changes close to the source region of Glacial North Pacific Intermediate Water (GNPIW). Information regarding glacial changes in the d13C of sub-thermocline water masses in the EEP is derived from the deep-dwelling planktonic foraminifera Globorotaloides hexagonus at ODP Site 1240 (00°01.31' N, 82°27.76' W; 2921 m water depth). Apparent similarities in the long-term evolution of d13C between GNPIW, intermediate waters in the eastern tropical North Pacific and sub-thermocline water masses in the EEP suggest the expansion of relatively 13C-depleted, nutrient-enriched, and northern-sourced intermediate waters to the equatorial Pacific under glacial conditions. Further, it appears that additional influence of GNPIW to the tropical Pacific is consistent with changes in nutrient distribution and biological productivity in surface-waters of the glacial EEP. Our findings highlight potential links between North Pacific mid-depth circulation changes, nutrient cycling, and biological productivity in the equatorial Pacific under glacial boundary conditions. Dataset Bering Sea Planktonic foraminifera Subarctic PANGAEA - Data Publisher for Earth & Environmental Science Bering Sea Pacific ENVELOPE(170.690833,-86.462630,58.875333,0.021850) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
AWI_Paleo Paleoenvironmental Reconstructions from Marine Sediments @ AWI |
spellingShingle |
AWI_Paleo Paleoenvironmental Reconstructions from Marine Sediments @ AWI Max, Lars Rippert, Nadine Lembke-Jene, Lester Mackensen, Andreas Nürnberg, Dirk Tiedemann, Ralf Stable isotope data (δ¹³C) from sediment core SO201-2-101KL (58°52' N, 170°41' E) and ODP Site 1240 (00°01' N, 82°27' W) |
topic_facet |
AWI_Paleo Paleoenvironmental Reconstructions from Marine Sediments @ AWI |
description |
We provide high-resolution foraminiferal stable carbon isotope (d13C) records from the subarctic Pacific and Eastern Equatorial Pacific (EEP) to investigate circulation dynamics between the extra-tropical and tropical North Pacific during the past 60 kyr. We measured the d13C composition of the epibenthic foraminiferal species Cibicides lobatulus from a shallow sediment core recovered from the western Bering Sea (SO201-2-101KL; 58°52.52' N, 170°41.45' E; 630 m water depth) to reconstruct past ventilation changes close to the source region of Glacial North Pacific Intermediate Water (GNPIW). Information regarding glacial changes in the d13C of sub-thermocline water masses in the EEP is derived from the deep-dwelling planktonic foraminifera Globorotaloides hexagonus at ODP Site 1240 (00°01.31' N, 82°27.76' W; 2921 m water depth). Apparent similarities in the long-term evolution of d13C between GNPIW, intermediate waters in the eastern tropical North Pacific and sub-thermocline water masses in the EEP suggest the expansion of relatively 13C-depleted, nutrient-enriched, and northern-sourced intermediate waters to the equatorial Pacific under glacial conditions. Further, it appears that additional influence of GNPIW to the tropical Pacific is consistent with changes in nutrient distribution and biological productivity in surface-waters of the glacial EEP. Our findings highlight potential links between North Pacific mid-depth circulation changes, nutrient cycling, and biological productivity in the equatorial Pacific under glacial boundary conditions. |
format |
Dataset |
author |
Max, Lars Rippert, Nadine Lembke-Jene, Lester Mackensen, Andreas Nürnberg, Dirk Tiedemann, Ralf |
author_facet |
Max, Lars Rippert, Nadine Lembke-Jene, Lester Mackensen, Andreas Nürnberg, Dirk Tiedemann, Ralf |
author_sort |
Max, Lars |
title |
Stable isotope data (δ¹³C) from sediment core SO201-2-101KL (58°52' N, 170°41' E) and ODP Site 1240 (00°01' N, 82°27' W) |
title_short |
Stable isotope data (δ¹³C) from sediment core SO201-2-101KL (58°52' N, 170°41' E) and ODP Site 1240 (00°01' N, 82°27' W) |
title_full |
Stable isotope data (δ¹³C) from sediment core SO201-2-101KL (58°52' N, 170°41' E) and ODP Site 1240 (00°01' N, 82°27' W) |
title_fullStr |
Stable isotope data (δ¹³C) from sediment core SO201-2-101KL (58°52' N, 170°41' E) and ODP Site 1240 (00°01' N, 82°27' W) |
title_full_unstemmed |
Stable isotope data (δ¹³C) from sediment core SO201-2-101KL (58°52' N, 170°41' E) and ODP Site 1240 (00°01' N, 82°27' W) |
title_sort |
stable isotope data (δ¹³c) from sediment core so201-2-101kl (58°52' n, 170°41' e) and odp site 1240 (00°01' n, 82°27' w) |
publisher |
PANGAEA |
publishDate |
2016 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.869243 https://doi.org/10.1594/PANGAEA.869243 |
op_coverage |
MEDIAN LATITUDE: 29.448592 * MEDIAN LONGITUDE: -137.885898 * SOUTH-BOUND LATITUDE: 0.021850 * WEST-BOUND LONGITUDE: 170.690833 * NORTH-BOUND LATITUDE: 58.875333 * EAST-BOUND LONGITUDE: -86.462630 * DATE/TIME START: 2002-05-16T00:00:00 * DATE/TIME END: 2009-09-22T00:06:00 |
long_lat |
ENVELOPE(170.690833,-86.462630,58.875333,0.021850) |
geographic |
Bering Sea Pacific |
geographic_facet |
Bering Sea Pacific |
genre |
Bering Sea Planktonic foraminifera Subarctic |
genre_facet |
Bering Sea Planktonic foraminifera Subarctic |
op_source |
Supplement to: Max, Lars; Rippert, Nadine; Lembke-Jene, Lester; Mackensen, Andreas; Nürnberg, Dirk; Tiedemann, Ralf (2016): Evidence for enhanced convection of North Pacific Intermediate Water to the low-latitude Pacific under glacial conditions. Paleoceanography, 32, 15 pp, https://doi.org/10.1002/2016PA002994 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.869243 https://doi.org/10.1594/PANGAEA.869243 |
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.869243 https://doi.org/10.1002/2016PA002994 |
_version_ |
1766378138251558912 |