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词汇 GLOF
分类 英语词汇 英语翻译词典
释义

GLOF

英语百科

Glacial lake outburst flood

(重定向自GLOF)
Hubbard Glacier, Alaska squeezes towards Gibert Point on 20 May 2002. The glacier is close to sealing off Russell Fjord (top) from Disenchantment Bay (below).
In this Hubbard Glacier image from 16 July 2002, the glacier has closed off Russell Fjord from Disenchantment Bay.  The waters behind the glacier rose 61 feet (19 m) in 10 weeks, creating a short lived Russell Lake.
The Hubbard Glacier is overwhelmed on 14 August 2002 in the second largest GLOF in historical times.
Remains of a steel bridge, close to Skaftafell, after a glacial outburst

A glacial lake outburst flood (GLOF) is a type of outburst flood that occurs when the dam containing a glacial lake fails. An event similar to a GLOF, where a body of water contained by a glacier melts or overflows the glacier, is called a Jökulhlaup. The dam can consist of glacier ice or a terminal moraine. Failure can happen due to erosion, a buildup of water pressure, an avalanche of rock or heavy snow, an earthquake or cryoseism, volcanic eruptions under the ice, or if a large enough portion of a glacier breaks off and massively displaces the waters in a glacial lake at its base.

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