Arctic Waters: Warm, Warmer, Warmest

Water flowing from the North Atlantic into the Arctic Ocean is warmer today than at any time in the past 2,000 years, a new study shows.

The waters of the Fram Strait, which runs between Greenland and the Arctic archipelago of Svalbard, have warmed by roughly 3.5 degrees Fahrenheit over the past 100 years, the study’s authors said. The water temperatures are about 2.5 degrees higher than during the Medieval Warm Period, a period of elevated warmth between A.D. 900 and 1300. …

The scientists used cores of ocean sediment containing fossils of microscopic shelled organisms called foraminifera to reconstruct past water temperatures in the strait. They found that the abundance of a species of warmer-water foraminifera rose sharply in the past 100 years, becoming dominant over a cold-water variety for the first time in 2,000 years.

Arctic Waters Warmer Than in 2,000 Years –

This entry was posted in Climate, Earth Science, History, Oceanography, Science, Weather and tagged , , . Bookmark the permalink.

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