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Spotlight
As the Arctic warms faster than the rest of the globe, permafrost, land ice and sea ice are disappearing at unprecedented rates.
Analysis - Sea Ice Today
Arctic sea ice extent for February 2019 was the seventh lowest in the satellite record for the month, tying with 2015. So far this winter, sea ice extent has remained above the 2017 record low maximum.
Feature Story
NSIDC researcher Kevin Schaefer leads the Remotely Sensed Active Layer Thickness (ReSALT) project to develop a way to monitor the active layer in permafrost remotely, using a combination of satellite, aircraft, and ground-based data, as part of the NASA’s Arctic Boreal Vulnerability Experiment (ABoVE).
Spotlight
Since 1978, Arctic sea ice extent has declined and ice cover has thinned, as reported in a new publication in the Annals of the New York Academy
Analysis - Sea Ice Today
In January 2019, a pattern of high-altitude winds in the Arctic, better known as the polar vortex, weakened, sweeping frigid air over North America and Europe in the second half of the month.
Feature Story
A group of researchers and logistic experts have descended on West Antarctica to begin a five-year study of Thwaites Glacier. The project, known as the International Thwaites Glacier Collaboration, aims to better understand the glacier's dramatic ice loss and potential impact on sea level rise.