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Gulf Stream density structure and transport during the past millennium

Author

Listed:
  • David C. Lund

    (Massachusetts Institute of Technology/Woods Hole Oceanographic Institution Joint Program in Oceanography
    California Institute of Technology)

  • Jean Lynch-Stieglitz

    (Georgia Institute of Technology)

  • William B. Curry

    (Woods Hole Oceanographic Institution)

Abstract

A cold wind from the ocean The Gulf Stream plays a key role in the climate system by importing vast quantities of heat and salt into the North Atlantic, and the possibility of changes in this flow is one of the main uncertainties hampering predictions of future climate change. Since instrumental records cover only the past 50 years, our knowledge of Gulf Stream behaviour on long timescales relies largely on geological records of past changes. Now an analysis of sediment cores from the Florida Straits, where the Gulf Stream enters the North Atlantic, has been used to reconstruct a record of the past 1,000 years. The results suggest that the Gulf Stream was weakened during the Little Ice Age (AD 1200–1850), a time of unusually cold conditions in the North Atlantic region, particularly Europe, implying that changes in Atlantic Ocean circulation had an impact on climate during historical times.

Suggested Citation

  • David C. Lund & Jean Lynch-Stieglitz & William B. Curry, 2006. "Gulf Stream density structure and transport during the past millennium," Nature, Nature, vol. 444(7119), pages 601-604, November.
    • Handle: RePEc:nat:nature:v:444:y:2006:i:7119:d:10.1038_nature05277
    DOI: 10.1038/nature05277
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    Cited by:

    1. Debra Willard & Christopher Bernhardt, 2011. "Impacts of past climate and sea level change on Everglades wetlands: placing a century of anthropogenic change into a late-Holocene context," Climatic Change, Springer, vol. 107(1), pages 59-80, July.
    2. Jennifer S. Walker & Robert E. Kopp & Christopher M. Little & Benjamin P. Horton, 2022. "Timing of emergence of modern rates of sea-level rise by 1863," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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