_version_ 1867170995272417280
author Zhou, Xiaoli
Thomas, Ellen
Rickaby, Rosalind E M
Winguth, Arne M E
Lu, Zunli
author_facet Zhou, Xiaoli
Thomas, Ellen
Rickaby, Rosalind E M
Winguth, Arne M E
Lu, Zunli
collection Datos científicos de ciencias marinas y ambientales
contents As yet no evidence has been presented for pervasive deoxygenation in the upper water column through expansion of Oxygen Minimum Zones (OMZs) during the PETM. We apply a novel proxy for paleo-redox conditions, the iodine to calcium ratio (I/Ca) in bulk coarse fraction sediment and planktonic foraminiferal tests from pelagic sites in different oceans, and compared our reconstruction with modeled oxygen levels. The reconstructed iodate gradients indicate that deoxygenation occurred in the upper water column in the Atlantic, Indian Oceans, and possibly the Pacific Ocean as well during the PETM, due to vertical and potentially lateral expansion of OMZs.
format Dataset Open Access
id pangaea_https___doi_org_10_1594_PANGAEA_869448
institution PANGAEA
language en
publishDate 2016
publisher PANGAEA
record_format pangaea
spellingShingle (Table S) Planktonic foraminifera I/Ca during the PETM
Zhou, Xiaoli
Thomas, Ellen
Rickaby, Rosalind E M
Winguth, Arne M E
Lu, Zunli
113-690B; 119-738C; 122-762C; 143-865; 208-1262; 208-1263; Age, relative; COMPCORE; Composite Core; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Indian Ocean; Inductively coupled plasma - mass spectrometry (ICP-MS); Iodine/Calcium ratio; Iodine/Calcium ratio, standard deviation; Joides Resolution; Latitude of event; Leg113; Leg119; Leg122; Leg143; Leg208; Longitude of event; North Pacific Ocean; Ocean Drilling Program; ODP; Sample code/label; South Atlantic Ocean; South Indian Ridge, South Indian Ocean; Walvis Ridge, Southeast Atlantic Ocean
As yet no evidence has been presented for pervasive deoxygenation in the upper water column through expansion of Oxygen Minimum Zones (OMZs) during the PETM. We apply a novel proxy for paleo-redox conditions, the iodine to calcium ratio (I/Ca) in bulk coarse fraction sediment and planktonic foraminiferal tests from pelagic sites in different oceans, and compared our reconstruction with modeled oxygen levels. The reconstructed iodate gradients indicate that deoxygenation occurred in the upper water column in the Atlantic, Indian Oceans, and possibly the Pacific Ocean as well during the PETM, due to vertical and potentially lateral expansion of OMZs.
title (Table S) Planktonic foraminifera I/Ca during the PETM
topic 113-690B; 119-738C; 122-762C; 143-865; 208-1262; 208-1263; Age, relative; COMPCORE; Composite Core; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Indian Ocean; Inductively coupled plasma - mass spectrometry (ICP-MS); Iodine/Calcium ratio; Iodine/Calcium ratio, standard deviation; Joides Resolution; Latitude of event; Leg113; Leg119; Leg122; Leg143; Leg208; Longitude of event; North Pacific Ocean; Ocean Drilling Program; ODP; Sample code/label; South Atlantic Ocean; South Indian Ridge, South Indian Ocean; Walvis Ridge, Southeast Atlantic Ocean
url https://doi.org/10.1594/PANGAEA.869448