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      Tidewater Glaciers Akullersuup Sermia (left) and Kangiata Nunaata Sermia (right), Greenland. Photo credit: Mark Fahnestock
 
          
        
          
          
        
      Kangiata Nunaata Sermia calving face, Greenland. Photo credit: Mark Fahnestock
 
          
        
          
          
        
      Field camp along Kangiata Nunaata Sermia, Greenland. Photo credit: Mark Fahnestock
 
          
        
          
          
        
      Freshly calved 'blue' ice from Jakobshavn Isbræ, Greenland
 
          
        
          
          
        
      Flight to deploy GPS receivers along Jakobshavn Isbræ, Greenland. Photo credit: Jason Amundson
 
          
        
          
          
        
      Servicing on-ice GPS near Kangiata Nunaata Sermia, Greenland. Photo credit: Mark Fahnestock
 
          
        
          
          
        
      Surveying the surface at the 2000 m elevation contour, Greenland. Photo Credit: Mark Fahnestock
 
          
        
          
          
        
      Performing a terrestrial radar interferometric scan of Jakobshavn Isbræ, Greenland. Photo credit: Judy McIlrath
 
          
        
          
          
        
      Fishing trawler near grounded icebergs, Ilulissat, Greenland
 
          
        
          
          
        
      Taking a break while traversing the Juneau Icefield, AK
 
          
        
          
          
        
      Digging a snow pit on the Lemon Creek Glacier, Juneau Icefield, AK
 
          
        
          
          
        
      Sampling snow density in a freshly dug snow pit along the Juneau Icefield, AK
 
          
        
          
          
        
      Colleagues walking along the Kennicott Glacier, Wrangell St. Elias, AK
 
          
        
          
          
        
      A TRI performing a scan along Coyote Dam, CA. Photo Credit: Brett Baker
 
          
        
          
          
        
      Aurora Borealis over the Greenland Ice Sheet, Jakobshavn Isbræ, Greenland.