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Gulf Stream slowdown may result in drastic impacts

from Nature World News

The Gulf Stream system, one of Earth's most important heat transport systems, is slower than ever before, and researchers warn that it may result in drastic climate impacts, according to a new study. In order to better understand the Gulf Stream system, scientists analyzed data gathered from ice-cores, tree-rings and coral, as well as ocean and lake sediments. Using sea-surface and atmospheric temperature data derived from the samples — exploiting the fact that ocean currents are the leading cause of temperature variations in the subpolar North Atlantic — the team was able to reconstruct Gulf temperatures dating back more than a millennium ago. more

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