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Sea-level rise due to polar ice-sheet mass loss during past warm periods
Dutton, A.; Carlson, A.E.; Long, A.J.; Milne, G.A.; Clark, P.U.; DeConto, R.; Horton, B.P.; Rahmstorf, S.; Raymo, M.E. (2015). Sea-level rise due to polar ice-sheet mass loss during past warm periods. Science (Wash.) 349(6244): aaa4019. hdl.handle.net/10.1126/science.aaa4019
In: Science (Washington). American Association for the Advancement of Science: New York, N.Y. ISSN 0036-8075, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Dutton, A.
  • Carlson, A.E.
  • Long, A.J.
  • Milne, G.A.
  • Clark, P.U.
  • DeConto, R.
  • Horton, B.P.
  • Rahmstorf, S.
  • Raymo, M.E.

Abstract
    Interdisciplinary studies of geologic archives have ushered in a new era of deciphering magnitudes, rates, and sources of sea-level rise from polar ice-sheet loss during past warm periods. Accounting for glacial isostatic processes helps to reconcile spatial variability in peak sea level during marine isotope stages 5e and 11, when the global mean reached 6 to 9 meters and 6 to 13 meters higher than present, respectively. Dynamic topography introduces large uncertainties on longer time scales, precluding robust sea-level estimates for intervals such as the Pliocene. Present climate is warming to a level associated with significant polar ice-sheet loss in the past. Here, we outline advances and challenges involved in constraining ice-sheet sensitivity to climate change with use of paleo–sea level records.

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