Claim: Last 100 years may be warmest in 120,000 years in the Arctic, but not so fast (UPDATED)

From the University of Colorado at Boulder, comes this study about radiocarbon dating some dead moss clumps exposed from under ice/snow at 4 locations on Baffin Island that somehow proves “unprecedented” warmth for the entire Arctic for the last 120,000 years. See below for my take on it. CU-Boulder study shows unprecedented warmth in Arctic…

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‘Counterintuitive finding suggests that unexpected factors may govern a glacier’s response to climate change’

From the University at Buffalo, new evidence that large ice sheets can grow/disappear quickly on decadal scales in response to regional temperature changes. A descriptive video follows. How fast can ice sheets respond to climate change? Scientists report that prehistoric glaciers reacted rapidly to a brief cold snap, providing a rare glimpse of glaciers’ response…

Cache of historical Arctic sea ice maps discovered

Arctic Sea ice data collected by DMI 1893-1961 Guest post by Frank Lansner I came across a number of maps showing Arctic ice extend from 1893 to 1961 collected by DMI in “Nautisk Meteorologisk Aarbog”. Each year DMI have collected information on sea ice extend so that normally each of the months April, May, June,…