Polar Melt
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For several summers this deeply incised melt channel transported overflow from a large melt lake to a Moulin, a conduit that drains the water through many hundreds of feet to the ice sheet’s bed. (Photo courtesy Ian Joughin)
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香港刘霞关注组为刘霞举行庆生会(美国之音海彦拍摄)
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Moulin that drains surface meltwater through ice more than 3000 feet thick to reach base of the ice sheet, from where a subglacial drainage network ultimately routes it to the ocean. (Photo courtesy Ian Joughin)
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Close-up of large crevasses produced by Pine Island Glacier’s rapidly stretching ice just above its grounding line (the transition from grounded to floating ice). (Photo courtesy of Ian Joughin)