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.
冰山是由雪形成的冰架或冰川断裂而成，主要由淡水冰组成，一般漂浮在开阔海域。
Icebergs are large pieces of freshwater ice that break off snow-formed ice shelves or glaciers and float in open water.
彗星一般被认为是一些脏雪球，主要由冰和岩石构成。
Comets are often known as dirty snowballs, and consist mainly of ice and rock.
应用推荐