自然界10大冰雪奇迹:冰冻瀑布和神秘冰矛(8)
冰川
冰川是简单堆积的积雪,经过数千年、甚至几百万年的积累,最终形成冰川。冰川是生态系统调节和水资源供给的主要来源,据悉,冰川是全球最大的淡水资源之一。然而,随着近年来全球气候逐渐升高,导致多数冰川迅速融化。如图所示,这是阿根廷贝利托莫雷诺冰川,是地球上最为壮观美丽的冰川之一。
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