Cited by 606Geology and Paleoclimatology ResearchMarine and environmental studiesGeological formations and processes

Ice-sheet collapse and sea-level rise at the Bølling warming 14,600 years ago

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Deschamps, Pierre, Durand, Nicolas, Bard, Edouard, Hamelin, Bruno, Camoin, Gilbert, Thomas, Alexander L., Henderson, Gideon M., Okuno, Jun'ichi +1 more·2012·Nature

Abstract

Past sea-level records provide invaluable information about the response of ice sheets to climate forcing. Some such records suggest that the last deglaciation was punctuated by a dramatic period of sea-level rise, of about 20 metres, in less than 500 years. Controversy about the amplitude and timing of this meltwater pulse (MWP-1A) has, however, led to uncertainty about the source of the melt water and its temporal and causal relationships with the abrupt climate changes of the deglaciation. Here we show that MWP-1A started no earlier than 14,650 years ago and ended before 14,310 years ago, making it coeval with the Bølling warming. Our results, based on corals drilled offshore from Tahiti during Integrated Ocean Drilling Project Expedition 310, reveal that the increase in sea level at Tahiti was between 12 and 22 metres, with a most probable value between 14 and 18 metres, establishing a significant meltwater contribution from the Southern Hemisphere. This implies that the rate of eustatic sea-level rise exceeded 40 millimetres per year during MWP-1A.

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  • Very high rates of sea-level change (>40 mm/year) occurred at about 14,000-14,300 B.P. during the Bølling warming event.

    “Very high rates of sea-level change (> 40 mm/year) occurred at about 14,000 -14,300 B.P. during the Bølling warming event”

    From The Anthropocene is functionally and stratigraphically distinct from the Holocene (2016) · cites this paper as [85]

    The opening passage (p. 2) reports a sea-level rise exceeding 40 mm/year during an event coeval with the Bølling warming. But it dates that event to after 14.65 ka and before 14.31 ka BP, not about 14.0–14.3 ka BP; the climatic-implications section (p. 14) repeats those bounds. (LLM, conf=0.88)

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  • The magnitude of the rate of rise caused widespread inundation of coastal areas and sedimentary facies back-stepped (retrograded landwards).

    “The magnitude of the rate of rise caused widespread inundation of coastal areas and sedimentary facies back-stepped (retrograded landwards).”

    From The Anthropocene is functionally and stratigraphically distinct from the Holocene (2016) · cites this paper as [85]

    The opening summary (p. 2) reports rapid sea-level rise, and “Occurrence of MWP-1A” (p. 9) reports widespread deepening and backstepping of the Tahitian reef after the event. The paper does not report widespread inundation of coastal areas or establish landward retrogradation of sedimentary facies generally. (LLM, conf=0.85)

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Authors
Deschamps, P., Durand, N., Bard, E., Hamelin, B., Camoin, G., Thomas, A. L., Henderson, G. M., Okuno, J., & Yokoyama, Y.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • University of Oxford (GB)
  • National Institute of Polar Research (JP)
Corresponding author
Deschamps, Pierre
Venue
Nature
Published
2012-03
Volume
483
Issue
7391
Pages
559-564
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2018560310
Cited by
606
References
52
Citations by year
2026: 24 · 2025: 32 · 2024: 28 · 2023: 32 · 2022: 37 · 2021: 58 · 2020: 42 · 2019: 50 · 2018: 41 · 2017: 39 · 2016: 49 · 2015: 61 · 2014: 50 · 2013: 40 · 2012: 21
FWCI
37.56
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Edinburgh Research Explorer (University of Edinburgh) (submittedVersion, other-oa)
Funders
  • Comer Science and Education Foundation
  • Institut de Recherche pour le Développement
  • European Science Foundation
  • Natural Environment Research Council (NE/D001250/1)
  • Japan Society for the Promotion of Science (21253001, 23501255)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Geology and Paleoclimatology Research
  • Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine and environmental studies
  • Physical Sciences › Earth and Planetary Sciences › Earth-Surface Processes › Geological formations and processes
Keywords
meltwater pulse 1A, sea level rise, ice sheet collapse, last deglaciation, Antarctic ice sheet, eustasy, Tahiti, abrupt climate change, IODP Expedition 310
MeSH terms
Animals, Freezing, Oceans and Seas, Polynesia, Seawater, Time Factors, Uncertainty, Anthozoa, Ice Cover, History, Ancient, Global Warming, Coral Reefs

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