Animated map showing the trajectory of the iceberg A23a, the world's largest, off the coast of South Georgia Island, from January 23 to February 28 VIDEOGRAPHIC ...
南极洲的冰盖数百万年来一直在塑造着海洋,但最近的发现表明,冰山甚至在该大陆大冰冻之前就已经存在。冰山脱离南极洲漂洋过海的情况并不罕见--就像目前正向南乔治亚岛移动的巨大冰层一样。
Antarctica’s ice caps have been shaping the ocean for millions of years, but recent discoveries reveal icebergs existed even ...