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Substantial contribution to sea-level rise during the last interglacial from the Greenland ice sheet

Nature volume 404, pages 591594 (06 April 2000) | Download Citation

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Abstract

During the last interglacial period (the Eemian), global sea level was at least three metres, and probably more than five metres, higher than at present1,2. Complete melting of either the West Antarctic ice sheet or the Greenland ice sheet would today raise sea levels by 6–7 metres. But the high sea levels during the last interglacial period have been proposed to result mainly from disintegration of the West Antarctic ice sheet3, with model studies attributing only 1–2 m of sea-level rise to meltwater from Greenland4,5. This result was considered consistent with ice core evidence4, although earlier work had suggested a much reduced Greenland ice sheet during the last interglacial period6. Here we reconsider the Eemian evolution of the Greenland ice sheet by combining numerical modelling with insights obtained from recent central Greenland ice-core analyses. Our results suggest that the Greenland ice sheet was considerably smaller and steeper during the Eemian, and plausibly contributed 4–5.5 m to the sea-level highstand during that period. We conclude that the high sea level during the last interglacial period most probably included a large contribution from Greenland meltwater and therefore should not be interpreted as evidence for a significant reduction of the West Antarctic ice sheet.

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References

  1. 1.

    , , & Timing and duration of the last interglacial: evidence for a restricted interval of widespread coral reef growth. Earth Planet. Sci. Lett. 160, 745–762 (1998).

  2. 2.

    , & Sea-level highstands over the last 500,000 years: evidence from the ironshore formation on Grand Cayman, British West Indies. J. Sedim. Res. 69, 317–327 ( 1999).

  3. 3.

    West Antarctic ice sheet and CO2 greenhouse effect: a threat of disaster. Nature 271, 321– 325 (1978).

  4. 4.

    , & The Greenland ice sheet through the last glacial-interglacial cycle. Palaeogeogr. Paleoclimatol. Palaeoecol. 90, 385–394 (1991).

  5. 5.

    , & Sensitivity of a Greenland ice sheet model to ice flow and ablation parameters: Consequences for evolution through the last climatic cycle. Clim. Dyn. 13, 11– 24 (1997).

  6. 6.

    Ice-core evidence for extensive melting of the Greenland Ice Sheet in the last interglacial. Science 244, 964– 968 (1989).

  7. 7.

    Irregular oscillations of the West Antarctic ice sheet. Nature 359, 29–32 ( 1992).

  8. 8.

    Global warming and the stability of the West Antarctic ice sheet. Nature 393, 325–332 ( 1998).

  9. 9.

    , & The Greenland ice sheet and greenhouse warming. Paleogeogr. Paleoclimatol. Palaeoecol. (Glob. Planet. Change) 89, 399–412 (1991).

  10. 10.

    , & Steady-state characteristics of the Greenland ice sheet under different climates. J. Glaciol. 37, 149–157 (1991).

  11. 11.

    et al. Large Arctic temperature change at the Wisconsin-Holocene glacial transition. Science 270, 455– 458 (1995).

  12. 12.

    et al. Past temperatures directly from the Greenland ice sheet. Science 282, 268–271 ( 1998).

  13. 13.

    , , , & Timing of abrupt climate change at the end of the Younger Dryas interval from thermally fractionated gases in polar ice. Nature 391, 141–146 ( 1998).

  14. 14.

    , , & The Younger Dryas termination and North Atlantic deep water formation: Insights from climate model simulations and Greenland ice cores. Paleoceanography 12, 23–38 ( 1997).

  15. 15.

    Cool tropical temperatures shift the global δ18O-T relationship: An explanation for the ice core borehole thermometry conflict? Geophys. Res. Lett. 24, 273–276 (1997).

  16. 16.

    , & in Mechanisms of Millennial-Scale Global Climate Change (eds Clark, P. U. & Webb, R. S.) (American Geophysical Union Monograph, in the press).

  17. 17.

    , & Global thermohaline circulation. Part 1: Sensitivity to atmospheric moisture transport. J. Clim. 12, 71–82 (1999).

  18. 18.

    & Temperature, accumulation and ice sheet elevation in central Greenland through the last deglacial transition. J. Geophys. Res. 102, 26383– 26396 (1997).

  19. 19.

    , , , & Comparison of oxygen isotope records from the GISP2 and GRIP Greenland ice cores. Nature 366, 552–554 (1993).

  20. 20.

    The Greenland Summit Ice Cores CD-ROM (World Data Center-A for Paleoclimatology, National Geophysical Data Center, Boulder, Colorado, 1997).

  21. 21.

    & A continuum mixture model of ice stream thermomechanics in the Laurentide ice sheet, 1. Theory. J. Geophys. Res. 102, 20599– 20614 (1997).

  22. 22.

    et al. Evidence for general instability of past climate from a 250-kyr ice-core record. Nature 364, 218– 220 (1993).

  23. 23.

    , , & CH4 and δ18O of O2 records from Antarctic and Greenland ice: A clue for stratigraphic disturbance in the bottom part of the Greenland Ice Core Project and the Greenland Ice Sheet Project 2 ice cores. J. Geophys. Res. 102, 26547– 26558 (1997).

  24. 24.

    et al. Vostok ice cores: extending the climatic signal over the penultimate glacial period. Nature 364, 407– 412 (1993).

  25. 25.

    et al. Continuous 500000-year climate record from vein calcite in Devils Hole, Nevada. Science 258, 255– 260 (1992).

  26. 26.

    , , & Variability of the North Atlantic thermohaline circulation during the last interglacial period. Nature 390, 154–156 (1997).

  27. 27.

    , , & Air content along the Greenland Ice Core Project core: A record of surface climatic parameters and elevation in central Greenland. J. Geophys. Res. 102, 26607–26613 (1997).

  28. 28.

    , & The origin of Arctic precipitation under present and glacial conditions. Tellus 41, 452– 469 (1989).

  29. 29.

    , , , & Calibration of the δ 18O isotopic paleothermometer for central Greenland, using borehole temperatures. J. Glaciol. 40, 341– 349 (1994).

  30. 30.

    & New precipitation and accumulation maps for Greenland. J. Glaciol. 37, 140– 148 (1991).

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Acknowledgements

We thank C. Ritz, G. Clow, National Science and Engineering Research Council Canada, GISP2 and GRIP project members, and especially the Northwest Glaciological Society.

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Author notes

    • Shawn J. Marshall

    Present address: Department of Geography, University of Calgary, ES 356, 2500 University Drive, NW, Calgary, Alberta T2N 1N4, Canada

Affiliations

  1. *Department of Geography, University of California, Berkeley, California 94720-4740 , USA

    • Kurt M. Cuffey
  2. †Department of Earth and Ocean Sciences, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada

    • Shawn J. Marshall

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Correspondence to Kurt M. Cuffey.

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https://doi.org/10.1038/35007053

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