加拿大北冰洋沿岸众多岛屿所组成的岛群。南起大陆北缘，北至埃尔斯米尔岛北端的埃尔德里奇海角，陆地面积130万平方千米。属大陆岛。
加拿大北极群岛常年几乎没有降水，降雪量微乎其微。
The Canadian Arctic Archipelago generally receives little precipitation, and the amount of snowfall changes little from year to year.
郝伟说，事实上，加拿大北极群岛起到了将能够毁坏船只的多年冰引入西北通道的作用。
In fact, the Canadian Arctic Archipelago acts as a "drain trap" for ship-wrecking multiyear ice, Howell says.
两年前通往加拿大北极群岛的海峡的道上满是冰层，而现在已是一片无冰水域或者只是点缀着正在融化的浮冰。
Channels through the Canadian Arctic archipelago that were choked with ice at this time of year two decades ago are now expanses of open water or vast patchworks of tiny islands of melting ice.
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