Rapid rise of sea level 19,000 years ago and its global implications

PU Clark, AM McCabe, AC Mix, AJ Weaver

    Research output: Contribution to journalArticlepeer-review

    243 Citations (Scopus)


    Evidence from the Irish Sea basin supports the existence of an abrupt rise in sea level ( meltwater pulse) at 19,000 years before the present ( B. P.). Climate records indicate a large reduction in the strength of North Atlantic Deep Water formation and attendant cooling of the North Atlantic at this time, indicating a source of the meltwater pulse from one or more Northern Hemisphere ice sheets. Warming of the tropical Atlantic and Pacific oceans and the Southern Hemisphere also began at 19,000 years B. P. These responses identify mechanisms responsible for the propagation of deglacial climate signals to the Southern Hemisphere and tropics while maintaining a cold climate in the Northern Hemisphere.
    Original languageEnglish
    Pages (from-to)1141-1144
    Issue number5674
    Publication statusPublished (in print/issue) - May 2004


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