Unit 5 Topic 1-3 review( teamwork!) Flashcards

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1
Q

icefield

A

an area that feeds two or more glaciers

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2
Q

vally glacier

A

a glacier usually originating in a cirque at a valley head or in a plateau ice cap and flowing downward between the walls of a valley.

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3
Q

saltwater

A

is the water that found in the ocean

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4
Q

crevasse

A

a deep fissure, or crack in ice

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5
Q

outwash

A

material deposited by the meltwater from a glacier

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6
Q

esker

A

a winding ridge made of sand and gravel formed by streams that flow beneath a glacier

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7
Q

icefall

A

a frozen waterfall made when a glacier flows over a steep cliff

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8
Q

pack ice

A

a floating sheet of ice rarely more than 5 m thick that breaks easily

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9
Q

meltwater

A

the run-off from melting snow

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10
Q

millwell

A

a rounded hole in the ice formed by a stream as it melts its way downward through the ice

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11
Q

icebergs

A

s large chunks of floating ice that break loose or calve from continental glaciers as the glaciers flow downslope in the ocean

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12
Q

freshwater

A

is the water that you can drink

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13
Q

water cycle

A

the continuous movement of water through the biosphere; the water cycle consists of evaporation, transpiration, condensation, and precipitation

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14
Q

water quantity

A

Water quantity is the timing and total yield of water from a watershed and is measured by total yield and peak flow over a specified period of time.

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15
Q

water quality

A

Water quality can be thought of as a measure of the suitability of water for a particular use based on selected physical, chemical, and biological characteristics.

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16
Q

glacier

A

a slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles.

17
Q

ice cap

A

a covering of ice over a large area, especially on the polar region of a planet.

18
Q

ice ages

A

any of the major periods when glaciers covered much of Earth. The most recent ice age ended about 11 000 years ago

19
Q

calve

A

when large chunks of ice break off from the edge of a glacier and become icebergs

20
Q

striations

A

scratches made in rocks by rock fragments carried by glaciers

21
Q

Arete

A

a sharp mountain ridge.

22
Q

horn

A

a hard permanent outgrowth, often curved and pointed, found in pairs on the heads of cattle, sheep, goats, giraffes, etc., and consisting of a core of bone encased in keratinized skin.

23
Q

till

A

up to (the point in time or the event mentioned); until.

24
Q

moraine

A

a mass of rocks and sediment carried down and deposited by a glacier, typically as ridges at its edges or extremity.