Benthic foraminifers, isotopes and varimax factors at DSDP Holes 72-517 and 72-518 ...

Pliocene changes in the vertical water mass structure of the western South Atlantic are inferred from changes in benthic foraminiferal assemblages and stable isotopes from DSDP Holes 516A, 517, and 518. Factor analysis of 34 samples from Site 518 reveals three distinct benthic foraminiferal assembla...

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Main Authors: Hodell, David A, Kennett, James P, Leonard, Kathleen A
Format: Article in Journal/Newspaper
Language:English
Published: PANGAEA 1983
Subjects:
Online Access:https://dx.doi.org/10.1594/pangaea.814013
https://doi.pangaea.de/10.1594/PANGAEA.814013
id ftdatacite:10.1594/pangaea.814013
record_format openpolar
spelling ftdatacite:10.1594/pangaea.814013 2024-09-15T17:46:24+00:00 Benthic foraminifers, isotopes and varimax factors at DSDP Holes 72-517 and 72-518 ... Hodell, David A Kennett, James P Leonard, Kathleen A 1983 application/zip https://dx.doi.org/10.1594/pangaea.814013 https://doi.pangaea.de/10.1594/PANGAEA.814013 en eng PANGAEA https://dx.doi.org/10.2973/dsdp.proc.72.146.1983 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 Drilling/drill rig Leg72 Glomar Challenger Deep Sea Drilling Project DSDP article Collection Supplementary Publication Series of Datasets 1983 ftdatacite https://doi.org/10.1594/pangaea.81401310.2973/dsdp.proc.72.146.1983 2024-08-01T10:57:41Z Pliocene changes in the vertical water mass structure of the western South Atlantic are inferred from changes in benthic foraminiferal assemblages and stable isotopes from DSDP Holes 516A, 517, and 518. Factor analysis of 34 samples from Site 518 reveals three distinct benthic foraminiferal assemblages that have been associated with specific subsurface water masses in the modern ocean. These include a Nuttalides umbonifera assemblage (Factor 1) associated with Antarctic Bottom Water (AABW), a Globocassidulina subglobosa-Uvigerina peregrina assemblage (Factor 2) associated with Circumpolar Deep Water (CPDW), and an Oridorsalis umbonatus-Epistominella exigua assemblage associated with North Atlantic Deep Water (NADW). Bathymetric gradients in d13C between Holes 516A (1313 m), 517 (2963 m), and 518 (3944 m) are calculated whenever possible to monitor the degree of similarity and/or difference in the apparent oxygen utilization (AOU) of water masses located at these depths during the Pliocene. Changes in ... : Supplement to: Hodell, David A; Kennett, James P; Leonard, Kathleen A (1983): Climatically induced changes in vertical water mass structure of the Vema Channel during the Pliocene: evidence from Deep Sea Drilling Project Holes 516A, 517, and 518. In: Barker, PF; Carlson, RL; Johnson, DA; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 72, 907-919 ... Article in Journal/Newspaper Antarc* Antarctic NADW North Atlantic Deep Water North Atlantic DataCite
institution Open Polar
collection DataCite
op_collection_id ftdatacite
language English
topic Drilling/drill rig
Leg72
Glomar Challenger
Deep Sea Drilling Project DSDP
spellingShingle Drilling/drill rig
Leg72
Glomar Challenger
Deep Sea Drilling Project DSDP
Hodell, David A
Kennett, James P
Leonard, Kathleen A
Benthic foraminifers, isotopes and varimax factors at DSDP Holes 72-517 and 72-518 ...
topic_facet Drilling/drill rig
Leg72
Glomar Challenger
Deep Sea Drilling Project DSDP
description Pliocene changes in the vertical water mass structure of the western South Atlantic are inferred from changes in benthic foraminiferal assemblages and stable isotopes from DSDP Holes 516A, 517, and 518. Factor analysis of 34 samples from Site 518 reveals three distinct benthic foraminiferal assemblages that have been associated with specific subsurface water masses in the modern ocean. These include a Nuttalides umbonifera assemblage (Factor 1) associated with Antarctic Bottom Water (AABW), a Globocassidulina subglobosa-Uvigerina peregrina assemblage (Factor 2) associated with Circumpolar Deep Water (CPDW), and an Oridorsalis umbonatus-Epistominella exigua assemblage associated with North Atlantic Deep Water (NADW). Bathymetric gradients in d13C between Holes 516A (1313 m), 517 (2963 m), and 518 (3944 m) are calculated whenever possible to monitor the degree of similarity and/or difference in the apparent oxygen utilization (AOU) of water masses located at these depths during the Pliocene. Changes in ... : Supplement to: Hodell, David A; Kennett, James P; Leonard, Kathleen A (1983): Climatically induced changes in vertical water mass structure of the Vema Channel during the Pliocene: evidence from Deep Sea Drilling Project Holes 516A, 517, and 518. In: Barker, PF; Carlson, RL; Johnson, DA; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 72, 907-919 ...
format Article in Journal/Newspaper
author Hodell, David A
Kennett, James P
Leonard, Kathleen A
author_facet Hodell, David A
Kennett, James P
Leonard, Kathleen A
author_sort Hodell, David A
title Benthic foraminifers, isotopes and varimax factors at DSDP Holes 72-517 and 72-518 ...
title_short Benthic foraminifers, isotopes and varimax factors at DSDP Holes 72-517 and 72-518 ...
title_full Benthic foraminifers, isotopes and varimax factors at DSDP Holes 72-517 and 72-518 ...
title_fullStr Benthic foraminifers, isotopes and varimax factors at DSDP Holes 72-517 and 72-518 ...
title_full_unstemmed Benthic foraminifers, isotopes and varimax factors at DSDP Holes 72-517 and 72-518 ...
title_sort benthic foraminifers, isotopes and varimax factors at dsdp holes 72-517 and 72-518 ...
publisher PANGAEA
publishDate 1983
url https://dx.doi.org/10.1594/pangaea.814013
https://doi.pangaea.de/10.1594/PANGAEA.814013
genre Antarc*
Antarctic
NADW
North Atlantic Deep Water
North Atlantic
genre_facet Antarc*
Antarctic
NADW
North Atlantic Deep Water
North Atlantic
op_relation https://dx.doi.org/10.2973/dsdp.proc.72.146.1983
op_rights Creative Commons Attribution 3.0 Unported
https://creativecommons.org/licenses/by/3.0/legalcode
cc-by-3.0
op_doi https://doi.org/10.1594/pangaea.81401310.2973/dsdp.proc.72.146.1983
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