On Monday, 11 July from 3:00 p.m. through Wednesday, 13 July until 5:00 p.m. (USA Mountain Time), NSIDC data distribution, services, and Web site will be unavailable to accommodate a major upgrade to our data center. We apologize for any inconvenience this may cause you. Need to talk to us? You can always contact our friendly User Services Office at email@example.com or + 1 303.492.6199.
Figure 3. Bed elevations calculated by subtracting the ice thickness grid
from the Greenland 1 km DEM (regridded to 5 km). Areas below sea level
are shaded black. (From Bamber 2000a).