Glaciers

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The loss of snow and ice from a glacier through melting, evaporation and sublimation
Ablation
1 of 18
The addition or gain of snow and ice to a glacier over time
Accumulation
2 of 18
The erosion of sediment by a glacier
Attrition
3 of 18
The movement of glacial ice down a gentle gradient, during which it thickens
Compressional flow
4 of 18
The scouring and erosion of rock surfaces by sediments trapped in the glacier
Corrasion
5 of 18
The laying down of sediment by a glacier
Deposition
6 of 18
Streamlined mound of glacial drift
Drumlins
7 of 18
A long-term balance between inputs and outputs in a system
Equilibrium
8 of 18
A long, sinuous ridge composed of stratified sand and gravel
Esker
9 of 18
The movement of glacial ice down a steep gradient, during which it thins
Extending flow
10 of 18
The downslope displacement of soil particles that results from cycles of freeze-thaw
Frost heave
11 of 18
The difference between the amount of snow and the ice accumulation and the amount of ablation occurring in a glacier over one year
Glacier mass balance
12 of 18
The downslope transportation of material under gravity
Mass movement
13 of 18
An automatic response to change in a system that restores equilibrium
Negative feedback
14 of 18
Material deposited by glacial meltwater
Outwash
15 of 18
A body of water impounded in front of a glacier
Proglacial lakes
16 of 18
A series of ridges running transversely across a glacial trough
Recessional moraines
17 of 18
Unsorted material deposited directly by glacial ice
Till
18 of 18

Other cards in this set

Card 2

Front

The addition or gain of snow and ice to a glacier over time

Back

Accumulation

Card 3

Front

The erosion of sediment by a glacier

Back

Preview of the front of card 3

Card 4

Front

The movement of glacial ice down a gentle gradient, during which it thickens

Back

Preview of the front of card 4

Card 5

Front

The scouring and erosion of rock surfaces by sediments trapped in the glacier

Back

Preview of the front of card 5
View more cards

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