Cryosphere
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What are the main components of the Cryosphere? | Snow cover, permafrost, sea ice and glaciers
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| Which of the four main components is the largest component of the cryosphere? | Snow cover
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| What is the cryosphere? | The part of the Hydrosphere that is frozen. Includes the 4 components. Means frost in Greek "krunos"
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| What is permafrost? | It occurs in cold areas where ground does not thaw in the warmest months
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| Draw a diagram of how a glacier is developed | Answer should include:
5 stages, 3 zones
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| Which of the 4 components of the cryosphere contributes greatly to global climate change? How? | Sea Ice, the melting ice water is added to the oceans and therefore is causing ocean level to rise.
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| Define Albedo. Which has greater albedo, snow or forest? | The % of solar radiation reflected back to the atmosphere. Snow reflects more therefore has a higher albedo.
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| What role does the Cryosphere have on the hydrologic cycle? How has this changed? | Answers may vary but should include: greater increase of water as cryosphere is melting.
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| What is till? | Glacial material picked up (rocks and boudlers) as the glacier moves
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| What is Plastic flow? | movement within the ice shelf
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| How are glacial landsacpe features created? Give examples. | Landscape features are created as a glacial carves away at the existing landscape and when it melts features are left behind such as horns, cirques and aretes.
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| How are glacial depositional features created? Give examples | Depositional features are features left behind from glacial debris (till) such as drumlins, morraines and eskers.
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| What is a U-shaped valley? | A wide valley that is left behind from a glacier.
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Created by:
arobertson@lcs.on.ca
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