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Glaciers

Bird’s eye view of one of the many glaciers of Glacier Bay

 

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Glaciers

spacer image Glaciers are slowly-moving rivers of ice propelled forward by the stress of their own massive weight. Only 2% of the Earth’s surface water .....
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Site index

pebbleThe birth of a glacier
What makes a glacier?

pebbleA glacier carves a U-shaped valley
Illustrated explanations show how a glacier changes a meandering, V-shaped stream valley into a relatively straight, U-shaped valley in 4 steps.

pebbleCarving a cirque at the head of an alpine glacier
Illustrated explanations shows the development of a cirque and associated glacial features.

pebbleFeatures of a valley glacier
Illustrated explanations xxxxxxxxxxxxx.

pebbleA slice through a glacier
Illustration shows where snow accumualtes, where it melts and more.

pebbleImage bank (zillions of megabytes!!!)

pebbleNew glacier terms in glossary

firn
ablation
annual snowline
crevasse
glacial trough / U-shaped valley
hanging valley
moraine
terminal moraine
cirque
bergschrund
headwall
tarn / cirque lake
horn
col
arete
glacial polish
glacial striations
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This site was last updated on 9/12/00