On the flag of this largest island, white represents the ice that covers about 80% of it
The thickness is generally more than 
2 km (1.2 mi)... [DOC] [TLE] Greenland Ice Sheet | ice sheet, Greenland | Britannica.com [PAR] Single ice cap or glacier covering about 80 percent of the island of ... is the area 
of maximum thickness of the ice sheet and has the lowest mean ...