A dictionary of glaciation

The Baltoro Glacier in northern Pakistan © 2005 Guilhem Vellut http://en.wikipedia.org/wiki/File:Baltoro_glacier_from_air.jpg

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G is for … Glacier

A large river of ice which moves very slowly downhill. They form where the accumulation of snow is more

than the ablation or melting. An example is the

Aletsch Glacier in Switzerland.

The Aletsch Glacier in Switzerland © 2005 Dirk Beyer

http://en.wikipedia.org/wiki/File:Grosser_Aletschgletscher_3178.JPG

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What do these glaciation key words mean?

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Student task• Your task is to produce a PowerPoint

dictionary of glaciation that you can use for exam revision. It must cover all aspects of glaciation including:

processes: erosion, transportation and deposition

landforms: from arêtes to the zone of ablation

case studies: what examples can you remember?

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Instructions• Make one slide only for each glaciation key

word or phrase.

• However, you can have more than one slide for each letter, and none for some letters.

• Start each slide as follows:

A is for … B is for … C is for … etc.

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Student task

• Look at the sample slides before you start.

• Don’t forget to access different sources including:

• your notes

• textbooks

• the internet.

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A is for … Arête

A thin knife-edged ridge of rock

dividing two glacial valleys or corries, e.g. Striding Edge

on Helvellyn in the Lake District.

© 2008 Richard Westhttp://www.flickr.com/photos/richardwest/

3073418531/

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B is for … Bergschrund

Where the ice wall at the head of a

glacier (to the right of the climbers) has separated slightly from the back wall

of its corrie.

© 2006 Martin Fhttp://www.flickr.com/photos/marts-pics/210361766/

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B is for … Baltoro Glacier

This glacier is located in the Karakorum

mountains of Pakistan. At 62 kilometres long, it is one of the longest

outside of the polar regions.

© 2005 Guilhem Vellut http://en.wikipedia.org/wiki/

File:Baltoro_glacier_from_air.jpg

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