A new study (Hanna et al., 2021) affirms a significant warming trend occurred in the late 20th century across Greenland, mirroring the warming that occurred in the early 20th century. Since 2001, the temperature trends across Greenland have stopped rising and begun cooling.
A temperature pattern has been emerging in Greenland during the last few decades that does not align with alarming proclamations of catastrophic ice sheet melt from accelerated warming.
After significant summer (winter) warming of about 2°C (to 4°C) from the 1980s to 2000, Greenland’s warming trend has plateaued and, since 2012, a cooling trend has commenced.
“[S]ince 2001 overall temperature trends are generally flat and insignificant due to a cooling pattern over the last 6–7 years.”
“According to MAR, and in line with the DMI coastal station analysis above, much of southern and southwest Greenland has not warmed during autumn since 1991. MAR trends between 2001 and 2019 show the southwest of the country cooling in winter and spring, and deeper, much more widespread cooling in west Greenland in autumn.”
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