keywords Flashcards

(12 cards)

1
Q

albedo effect

A

how much sunlight a surface reflects back into space

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2
Q

calving

A

breaking up of chunks of ice at the glacier snout or ice sheet front to form icebergs as the glacier reaches a lake or the ocean

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3
Q

thermohaline circulation

A

a global system of surface and deep-water ocean currents driven by differences in temperature and salinity between areas of the ocean

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4
Q

quarternary period

A

period fo time we are currently living in, which is divided into two periods

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5
Q

pleistocene

A

beginning of quarternary to about 11,500 years ago when most recent glaical period called Devensian ended

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6
Q

Holocene

A

interglacial period we are currently in

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7
Q

LGM

A

last glacial maximum

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8
Q

entrainment

A

where sediment is incorporated into a moving glacier

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9
Q

scree

A

pile of loose rocks on mountain slopes

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10
Q

quarrying

A

meltwater freezes to rocks, and as glacier moves it pulls rock

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11
Q

plucking

A

glacier freezes to rock and pulls pieces away off bedrock as it moves

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12
Q
A
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