Sentences with phrase «ablation area changes»

The accumulation and ablation area changes can be explained by SLA position which was continuously moving upward from 5279 m a.s.l. (s = 144) in 1958 to 5472 m a.s.l. (s = 209) in 2011 with the overall vertical shift of 192 9 m (3.6 m a1).