Jan 16, 2019

World’s permafrost gets warmer; Siberia rises the most

Chersky, Sakha Republic
Russia
by
Washington Post via AP
In this Oct. 27, 2010 file photo, Russian scientists Sergey Zimov and his son Nikita Zimov extract air samples from frozen soil near the town of Chersky in Siberia 6,600 kms (4,000 miles) east of Moscow, Russia. Photo: Arthur Max, Associated Press
In this Oct. 27, 2010 file photo, Russian scientists Sergey Zimov and his son Nikita Zimov extract air samples from frozen soil near the town of Chersky in Siberia 6,600 kms (4,000 miles) east of Moscow, Russia. Photo: Arthur Max, Associated Press

Scientists say the world’s permafrost is getting warmer, with temperatures increasing by an average of 0.3 degrees Celsius (0.54 Fahrenheit) over a decade.

A study published Wednesday found the biggest rise in Siberia, where frozen soil temperatures rose by 0.9 degrees Celsius (1.62 Fahrenheit) between 2007 and 2016.

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Scientists say the increases track global warming generally. They noted that thawing permafrost — already recorded at five of the sites — contains organic matter that can release greenhouse gases, further stoking climate change.