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Although not 14,242 feet...

 
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Although not 14,242 feet...
Although not 14,242 feet tall, the Palisade Glacier can still provide fun moulineering adventures. October, 2003.

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Digglerwhoa!

Diggler

Voted 10/10

What a trippy picture! Is this in one of the bergschrunds, or a crevasse, ...?!
Posted Oct 24, 2003 1:57 pm

loopperuRe: whoa!

loopperu

Hasn't voted

Diggler,



This feature is called a moulin. When a crevasse begins to close up, water is routed towards the opening that remains. The friction between the falling meltwater and the ice walls creates enough heat to melt part of the wall. Eventually the crevasse closes completely except for the hole that is maintained by the large amount of meltwater falling down it. As we descended we could see closed cracks that looked like suture zones in the ice.



-loopperu
Posted Oct 27, 2003 1:48 pm

DigglerRe: whoa!

Diggler

Voted 10/10

Right on- thanks for expanding my knowledge of how glaciers work!
Posted Oct 27, 2003 3:31 pm

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Image Data
loopperuSubmitted by loopperu
on Oct 24, 2003 12:24 pm

Image ID: 31465
Hits: 2118 
Lat/Lon: 37.09390°N / 118.5219°W
Object Title: Although not 14,242 feet...