301-pp22 - UNIVERSITY OF SOUTH ALABAMA Last Time Glaciers...

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1 GY 301: Geomorphology GY 301: Geomorphology Lecture 22: Glacial Geomorphology 1: Alpine Glaciers UNIVERSITY OF SOUTH ALABAMA ht p:/ www.roberts-1.com/t/s07 Last Time Glaciers and Glacial Mechanics Types of glaciers (alpine) Formation of glacial ice Movement of ice Glaciers Glaciers are thick masses of ice that originate on land through the accumulation of snow. ht p:/ media-cdn.tripadvisor.com/media/photo-s/01/25/4a/ee/in-the-mountains-above.jpg All that is required is for more snow to fall in the cold winter months than melts in the warm summer months. Glaciers Glaciers are thick masses of ice that originate on land through the accumulation of snow. Snow Firn Glacial Ice ht p:/ www.ig.utexas.edu Glaciers form through a 3 step process Alpine Glaciers ht p:/ www.scienceclarified.com/images/uesc_05_img0282.jpg Alpine or Valley Glaciers ( Zone of Accumulation; Zone of Wasting/Ablation, Calving, ) ht p:/ stloe.most.go.th/html/lo_index/LOcanada3/305/images/5_2.jpg Ice Movement Ice moves down slope from the zone of accumulation to the zone of ablation due to a combination of plastic flow and basal slip. ht p:/ nevis.k12.mn.us/academics/science/glacier_hor_profile1.jpg
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2 Ice Movement Ice moves down slope from the zone of accumulation to the zone of ablation due to a combination of
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This note was uploaded on 02/05/2012 for the course GLY 301 taught by Professor Staff during the Fall '10 term at S. Alabama.

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301-pp22 - UNIVERSITY OF SOUTH ALABAMA Last Time Glaciers...

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