Compared to a photo-like image, a false-color image of the lake-dotted tundra near Barrow, Alaska, reveals more detail about the different plant communities occupying wetter or drier areas of the landscape.
Published Oct 22, 2009NASA aerial campaigns monitor the gases leaking from Alaskan permafrost for signs of change.
Published Apr 12, 2016A new report summarizes Arctic environmental conditions in 2013, including sea surface temperatures.
Published Dec 13, 2013As global and regional warming continues, winter emissions of carbon dioxide from Arctic lands are offsetting what plants absorb in the summer.
Published Nov 19, 2019Rising temperatures have brought a longer growing season in the high latitudes. Once-treeless tundra ecosystems have greened the most, while boreal forests had a more mixed response.
Published Mar 14, 2013In the first weeks of June 2010, winter snow disappears from the lake-dotted tundra of Alaska’s North Slope like a dust cover whisked off a stained glass work of art.
Published Jun 17, 2010A holey, Swiss cheese-like landscape, thermokarst is distributed widely across the high latitudes of the northern hemisphere.
Published Jan 18, 2017Is climate change affecting Arctic cyclones?
Published Aug 10, 2012Temperatures are warming faster in the Arctic than anywhere else in the world. Here’s why.
Published May 26, 2013Much of the Northern Hemisphere experienced cold land surface temperatures in December 2009, but the Arctic was exceptionally warm.
Published Jan 9, 2010Airborne measurements detect the greenhouse gas rising out of cracks in the ice cap.
Published May 9, 2012