Comment on "Mixed-Layer Deepening During Heinrich Events: A Multi-Planktonic Foraminiferal δ 18 O Approach"

Rashid and Boyle (Reports, 19 October 2007, p. 439) analyzed oxygen isotopes in planktonic foraminera from marine sediments and concluded that Heinrich events (massive iceberg discharges into the North Atlantic Ocean) caused upper water masses to deepen. We question the robustness of this interpreta...

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Published in:Science
Main Authors: Hillaire-Marcel, Claude, de Vernal, Anne
Format: Article in Journal/Newspaper
Language:English
Published: American Association for the Advancement of Science (AAAS) 2008
Subjects:
North Atlantic
Sea ice
Online Access:http://dx.doi.org/10.1126/science.1153316
https://www.science.org/doi/pdf/10.1126/science.1153316
id craaas:10.1126/science.1153316
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spelling craaas:10.1126/science.1153316 2024-06-09T07:48:06+00:00 Comment on "Mixed-Layer Deepening During Heinrich Events: A Multi-Planktonic Foraminiferal δ 18 O Approach" Hillaire-Marcel, Claude de Vernal, Anne 2008 http://dx.doi.org/10.1126/science.1153316 https://www.science.org/doi/pdf/10.1126/science.1153316 en eng American Association for the Advancement of Science (AAAS) Science volume 320, issue 5880, page 1161-1161 ISSN 0036-8075 1095-9203 journal-article 2008 craaas https://doi.org/10.1126/science.1153316 2024-05-16T12:55:17Z Rashid and Boyle (Reports, 19 October 2007, p. 439) analyzed oxygen isotopes in planktonic foraminera from marine sediments and concluded that Heinrich events (massive iceberg discharges into the North Atlantic Ocean) caused upper water masses to deepen. We question the robustness of this interpretation and argue that a strongly stratified mixed layer characterized by dense sea-ice cover and production of oxygen-18–depleted brines likely prevailed during such events. Article in Journal/Newspaper North Atlantic Sea ice AAAS Resource Center (American Association for the Advancement of Science) Science 320 5880 1161 1161
institution Open Polar
collection AAAS Resource Center (American Association for the Advancement of Science)
op_collection_id craaas
language English
description Rashid and Boyle (Reports, 19 October 2007, p. 439) analyzed oxygen isotopes in planktonic foraminera from marine sediments and concluded that Heinrich events (massive iceberg discharges into the North Atlantic Ocean) caused upper water masses to deepen. We question the robustness of this interpretation and argue that a strongly stratified mixed layer characterized by dense sea-ice cover and production of oxygen-18–depleted brines likely prevailed during such events.
format Article in Journal/Newspaper
author Hillaire-Marcel, Claude
de Vernal, Anne
spellingShingle Hillaire-Marcel, Claude
de Vernal, Anne
Comment on "Mixed-Layer Deepening During Heinrich Events: A Multi-Planktonic Foraminiferal δ 18 O Approach"
author_facet Hillaire-Marcel, Claude
de Vernal, Anne
author_sort Hillaire-Marcel, Claude
title Comment on "Mixed-Layer Deepening During Heinrich Events: A Multi-Planktonic Foraminiferal δ 18 O Approach"
title_short Comment on "Mixed-Layer Deepening During Heinrich Events: A Multi-Planktonic Foraminiferal δ 18 O Approach"
title_full Comment on "Mixed-Layer Deepening During Heinrich Events: A Multi-Planktonic Foraminiferal δ 18 O Approach"
title_fullStr Comment on "Mixed-Layer Deepening During Heinrich Events: A Multi-Planktonic Foraminiferal δ 18 O Approach"
title_full_unstemmed Comment on "Mixed-Layer Deepening During Heinrich Events: A Multi-Planktonic Foraminiferal δ 18 O Approach"
title_sort comment on "mixed-layer deepening during heinrich events: a multi-planktonic foraminiferal δ 18 o approach"
publisher American Association for the Advancement of Science (AAAS)
publishDate 2008
url http://dx.doi.org/10.1126/science.1153316
https://www.science.org/doi/pdf/10.1126/science.1153316
genre North Atlantic
Sea ice
genre_facet North Atlantic
Sea ice
op_source Science
volume 320, issue 5880, page 1161-1161
ISSN 0036-8075 1095-9203
op_doi https://doi.org/10.1126/science.1153316
container_title Science
container_volume 320
container_issue 5880
container_start_page 1161
op_container_end_page 1161
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