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 Science1. 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.
Robert Spielhagen, a palaeoceanographer at the Leibniz Institute of Marine Sciences in Kiel, Germany, and his colleagues focused on the Fram Strait, which runs between Greenland and Norway's Svalbard archipelago, and which hosts the biggest channel of warm water flowing into 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 frigid Arctic, where icy surface waters can be -2 °C.
To read the full, original article click on this link: Arctic Ocean feels the heat : Nature News
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