Icefall

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icefall

[′īs ‚fȯl]
(hydrology)
That portion of a glacier where a sudden steepening of descent causes a chaotic breaking up of the ice. Also known as ice cascade.

Icefall

 

the section of a glacier that is broken by deep fissures into separate blocks of varying shape and size. Icefalls form on the site of steep declivities in the longitudinal profile of the glacier bed, where there is an increase in the rate of the ice’s movement, resulting in crevasses.

References in periodicals archive ?
Band was in the party that found the key to success--a hidden gully over 'The Hump' that bypassed a huge, fearsome icefall. But above that was another icefall that would have to be negotiated before they could reach 'The Great Shelf', which can be seen so prominently in the famous view from Darjeeling.
As we climb to the top of a compression ridge, the clouds lift a little--enough so that we can see several miles up the convoluted, moraine-striped glacier to Stairway Icefall. Because I still haven't grasped the scale of the park, I have a hard time believing Jacobs's assertion that the dark crack across the face of the fall is actually a 300-foot-high cliff of ice.
First-time visitors can quickly become familiar with the Starved Rock area and hopefully find many reasons to come back again in the winter when eagles soar overhead and waterfalls freeze into beautiful icefalls. The Lodge also has more than 50 musical tribute shows each year taking guests on a walk down memory lane with songs by Patsy Cline, Frank Sinatra and more.
e strenuous journey in November 2015 will take in stunning national parks, mountain ridges, beautiful lakes, amazing icefalls and stunning views of the snow capped Andes.