Melting and Freezing of Ice Caps

H

Source: Natural Science Museum, London 2002. 

880,000           melting
820,000           freezing
750,000           melting
720,000           freezing
700,000           melting
680,000           freezing
610,000           freezing
590,000           melting
510,000           freezing
500,000           melting
490,000           freezing
420,000           melting
350,000           freezing
310,000           melting
300,000           freezing
230,000           melting
160,000           freezing
100,000           melting
80,000             freezing
50,000             melting
25,000             freezing
10,000             melting