Sparky2016
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What's the difference between a warm based and cold based glacier?
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username2088165
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In warm based glaciers, the temperature of the ice at the base of the glacier is higher than the melting point of ice (0 degrees celsius), due to the friction caused by the movement of the glacier itself, or from geothermal heat from the Earth. The ice at the bottom of the glacier melts, and the meltwater acts as a lubricant, allowing the glacier to move more easily. The high rate of movement means that warm based glaciers have more erosive power than cold based glaciers.

In cold based glaciers, the temperature of the ice at the base of the glacier is lower than the melting point of ice, so very little, if any, melting occurs. The base of the glacier therefore remains frozen to the valley floor, and the lack of movement means that very little erosion occurs.

I hope that helps
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Sparky2016
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(Original post by Leviathan1741)
In warm based glaciers, the temperature of the ice at the base of the glacier is higher than the melting point of ice (0 degrees celsius), due to the friction caused by the movement of the glacier itself, or from geothermal heat from the Earth. The ice at the bottom of the glacier melts, and the meltwater acts as a lubricant, allowing the glacier to move more easily. The high rate of movement means that warm based glaciers have more erosive power than cold based glaciers.

In cold based glaciers, the temperature of the ice at the base of the glacier is lower than the melting point of ice, so very little, if any, melting occurs. The base of the glacier therefore remains frozen to the valley floor, and the lack of movement means that very little erosion occurs.

I hope that helps

Thank you !!
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username2088165
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(Original post by Sparky2016)
Thank you !!
No problem
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