新形成的冰比原来的更薄,融化速度更快。
加拿大北极群岛一般少有新的冰川形成,并且每年的降雪量差不多。 但冰雪融化量却大不相同,所以冰量的变化主要由夏季融化量决定。
Sharply increased mass loss from glaciers and ice caps in the Canadian Arctic Archipelago.
随着冰向海岸流动,在基岩上冲出孔洞,在冰盖上部100英尺形成冰隙和新的裂缝。
As the ice flows towards the coast, grating on bedrock, crevasses and new fractures form in the upper 100 feet of the ice sheet.
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