Records show Arctic sea ice in October was at its lowest and isn't recovering as fast find new study

Water temperatures in the eastern part of the Arctic, north of Siberia, was two to four degrees warmer than normal, and in the Baffin Bay, it was one to two degrees warmer.

|Oct 29, 2020, 09:07:58 IST

The extent of sea ice in the Arctic was at record lows for October, Danish researchers said Wednesday, adding the unusually warm season meant it was not recovering as fast as normal."The October Arctic sea ice extent is going to be the lowest on record and the sea ice growth rate is slower than normal," Rasmus Tonboe, a scientist at the Danish Meteorogical Institute (DMI), told AFP, noting that records went back to 1979.[caption id="attachment_8962101" align="alignnone" width="1280"]

After a summer of warming, the edge of sea ice in the Arctic Ocean reaches a minimum each September and gradually increases to its maximum extent in March the following year. Image credit: NASA[/caption]Already in September researchers noted the second-lowest extent of sea ice recorded in the Arctic, though not quite hitting the levels recorded in 2012.But warmer-than-normal seawater slowed the formation of new ice in October.Water temperatures in the eastern part of the Arctic, north of Siberia, was two to four degrees warmer than normal, and in the Baffin Bay, it was one to two degrees warmer, DMI said in a statement.The institute said this was following a trend observed in recent years, which was described as a "vicious spiral.""It's a trend we’ve been seeing the past years, with a longer open water season making the sun warm the sea for a longer time, resulting in shorter winters so the ice doesn't grow as thick as it used to," Tonboe said.

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