Thursday, January 31, 2013

 

奇景


加拿大落基山脉脚下亚伯拉罕湖的冰冻气泡奇观。这种现象出现在每年11月到3月间,由亚伯拉罕湖湖床植物释放的沼气和湖面低温所致。沼气不停地涌向湖面,当气温降到一定程度时,湖面开始结冰,并将这些气泡形成的空腔一起保留下来。摄影师:Chip Phillips


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