May 17, 2017

NASA’s annual survey (click here) of changes in Arctic ice cover greatly expanded its reach this year in a series of flights that wrapped up on May 12. It was the most ambitious spring campaign in the region for NASA’s Operation IceBridge, an airborne mission to monitor ice changes at Earth’s poles, which also included a rapid-response flight over a new crack in Petermann Glacier, one of the largest and fastest-changing glaciers in Greenland....