Final
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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| Impact Of Glaciers on the landscape | Snowpack over years turn into ice
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| Continental ice sheets(type of glaciers) | Exist in nonmountainous areas
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| Examples is Continental ice sheets | Antarctica & Greenland
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| Mountain Glaciers (type of glacier) | Highland ice fields: ice sheets the submerge most underlying topography; valley and Piedmont glaciers
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| Erosion by glaciers | volume and speed determine success
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| Glacial Abrasion | Bedrock worn down by rock debris embedded in glacier
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| Glacial Plucking | Picking up of rock material through refreezing of meltwater
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| Transportation by glaciers | remaining glacial ice free of rock debris
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| Deposition by glaciers | Glaciers move material from one region to another in a vastly different form
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| Drift | material moved by glaciers
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| Till | rock debris deposited by moving or melting ice
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| Erratics | Large boundaries that are different from surrounding local bedrock
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| What initiates ice ages? | Eventual total deglaciation
Multiple ice advance and retreat cycles
Hemisphere but in non-uniform
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| Climate change relate to | contemporary glaciation
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| Medieval Warm Period & Little ice age | 1200-1800 period of cooling
Southward movement of tree line and farming
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| Ice cores from Greenland & Antarctica | Plant pollen, summer particles, isotopes, ash from large forest fires, explosions in insect population
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| 96% of the total ice cover | Greenland, Antarctica, and North America
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| About 10% of ice cover | land surface
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| Glaciers form by | snow turning into crystallized water vapor that is compressed to granular form it eventually turns in glacial ice.
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| Ice sheets are | Third most extensive feature on the planet
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| Pleistocene Glaciation began at least | 2.59 million years ago
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| Last major ice retreat occurred only | 9000 years ago
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| Periglacial zone | zone where ice never existed but glacial factors affected the landscape such as erosion from ice melt, solifluction
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| Sea level changes | buldup of ice on continents led to less drainwater on continents and brought about a lowering of sea level
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| Pluvial development | considerable runoff results in increased moisture, leading to increased precipitation and less evaporation
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Created by:
Srankins3
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