Water flowing into the Arctic Ocean from the Atlantic Ocean is about 2 °C warmer today than it has been for at least 2,000 years, according to a study published in Science. The findings add to the picture of Earth's warming waters and melting sea ice, and the researchers suggest that the temperature rise is linked to amplification of climate change in the Arctic. The current of warm water lies 50 metres below the surface, and can reach a balmy 6 °C in summer — warm in comparison to the Artic. (source: nature.com)
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