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Letter. High rates of sea-level rise during the last interglacial period

Letter. High rates of sea-level rise during the last interglacial period
Letter. High rates of sea-level rise during the last interglacial period
The last interglacial period, Marine Isotope Stage (MIS) 5e, was characterized by global mean surface temperatures that were at least 2 °C warmer than present. Mean sea level stood 4–6 m higher than modern sea level, with an important contribution from a reduction of the Greenland ice sheet1. Although some fossil reef data indicate sea-level fluctuations of up to 10 m around the mean, so far it has not been possible to constrain the duration and rates of change of these shorter-term variations. Here, we use a combination of a continuous high-resolution sea-level record, based on the stable oxygen isotopes of planktonic foraminifera from the central Red Sea, and age constraints from coral data to estimate rates of sea-level change during MIS-5e. We find average rates of sea-level rise of 1.6 m per century. As global mean temperatures during MIS-5e were comparable to projections for future climate change under the influence of anthropogenic greenhouse-gas emissions, these observed rates of sea-level change inform the ongoing debate about high versus low rates of sea-level rise in the coming century.

1752-0894
38-42
Rohling, E.J.
a2a27ef2-fcce-4c71-907b-e692b5ecc685
Grant, K.
f9d9fa1b-62f3-4e90-a6f0-b46bc213fdb2
Hemleben, C.
0f45ede4-dfec-457e-8a64-b96a5b8c71f0
Siddall, M.
9c045dd5-498b-488b-9c67-23e24d90ebcc
Hoogakker, B.A.A.
38e5c382-9641-487e-910d-402786d3d1c2
Bolshaw, M.
c09b8ab7-a813-4717-b374-e8d5bdc1bbd3
Kucera, M.
1dfd204d-24e1-4e03-b465-c60bb4ac74f7
Rohling, E.J.
a2a27ef2-fcce-4c71-907b-e692b5ecc685
Grant, K.
f9d9fa1b-62f3-4e90-a6f0-b46bc213fdb2
Hemleben, C.
0f45ede4-dfec-457e-8a64-b96a5b8c71f0
Siddall, M.
9c045dd5-498b-488b-9c67-23e24d90ebcc
Hoogakker, B.A.A.
38e5c382-9641-487e-910d-402786d3d1c2
Bolshaw, M.
c09b8ab7-a813-4717-b374-e8d5bdc1bbd3
Kucera, M.
1dfd204d-24e1-4e03-b465-c60bb4ac74f7

Rohling, E.J., Grant, K., Hemleben, C., Siddall, M., Hoogakker, B.A.A., Bolshaw, M. and Kucera, M. (2008) Letter. High rates of sea-level rise during the last interglacial period. Nature Geoscience, 1, 38-42. (doi:10.1038/ngeo.2007.28).

Record type: Article

Abstract

The last interglacial period, Marine Isotope Stage (MIS) 5e, was characterized by global mean surface temperatures that were at least 2 °C warmer than present. Mean sea level stood 4–6 m higher than modern sea level, with an important contribution from a reduction of the Greenland ice sheet1. Although some fossil reef data indicate sea-level fluctuations of up to 10 m around the mean, so far it has not been possible to constrain the duration and rates of change of these shorter-term variations. Here, we use a combination of a continuous high-resolution sea-level record, based on the stable oxygen isotopes of planktonic foraminifera from the central Red Sea, and age constraints from coral data to estimate rates of sea-level change during MIS-5e. We find average rates of sea-level rise of 1.6 m per century. As global mean temperatures during MIS-5e were comparable to projections for future climate change under the influence of anthropogenic greenhouse-gas emissions, these observed rates of sea-level change inform the ongoing debate about high versus low rates of sea-level rise in the coming century.

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More information

e-pub ahead of print date: 16 December 2007
Published date: January 2008
Organisations: Ocean and Earth Science

Identifiers

Local EPrints ID: 48449
URI: http://eprints.soton.ac.uk/id/eprint/48449
ISSN: 1752-0894
PURE UUID: b3b30c96-eb92-4b73-b938-7b1bf29e0163
ORCID for E.J. Rohling: ORCID iD orcid.org/0000-0001-5349-2158

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Date deposited: 24 Sep 2007
Last modified: 23 Jul 2022 01:37

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Contributors

Author: E.J. Rohling ORCID iD
Author: K. Grant
Author: C. Hemleben
Author: M. Siddall
Author: B.A.A. Hoogakker
Author: M. Bolshaw
Author: M. Kucera

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