Download - Glacial landforms
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Peter Knight's Photos of Landscapes and Glaciers
(Keele University)*
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The smallest scale of glaciation: Niche glaciers and ice aprons in the Grand Tetons, Wyoming, USA. Small glaciers such as these are often the most sensitive to local climate change.
Niche glaciers
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The summit ice cap of the volcano,Cotopaxi, Ecuador
The ice cap extends further on one side of the mountain. The side of the mountain facing the moisture-bearing winds has higher snowfall and hence more extensive glaciation. The deep channels carved by meltwater and by volcanic mudflows (lahars) caused by melting of snow and ice during eruptions.
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RUTH GLACIER, MOUNT MC KINLEY
VALLEY GLACIER
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Regal and Nizina Glaciers, Alaska
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West Greenland
ICE SHEET
B
A
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April 67N
August 67N
Greenland
Greenland
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Russell GlacierIce Front
Snout or Ice Front
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CREVASSEICE CAVE
SUPRAGLACIAL STREAM
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Ice cliff
Subglacial stream
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1960 1964
1954 1958
retreated dramatically in the twentieth century
Franz Josef Glacier, located in New Zealand
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Ice scoured topography
Clean ice sliding on bedrock*
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MOUNT MC KINLEY
Athabasca Glacier
A
B C
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Striations
Erratics
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1
1
1
1
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Lateral and terminal moraines, Bylot Island, Canada
End moraine, Bylot Island,
Canada
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Moraines of different ages
Ice Front
*
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PUSH MORAINE
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Proglacial zone
Ice-dammed lake
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BRAIDED CHANNEL
OUTWASH PLAINS
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RAISED BEACH, W. SCOTLAND