the line dividing zones of accumulation and melting of ice at the surface of a glacier
question
Under what conditions will the front of the glacier remain stationary
answer
glacial fronts remain stationary when melting and snow accumulation are equal
question
which way does ice flow in a glacier retreating uphill?
answer
downslope
question
how would a snow line on a glacier move as a glacial front is advancing?
answer
the snow line would move downslope
question
How would you expect the front of a glacier to move if it undergoes a period of net accumulation, followed by net wastage, and finally the period of net accumulation?
answer
the glaciers front would move forward, backward, and then forward again
question
Where do glaciers form?
answer
in places where more snow falls in the winter than melts away in the summer
question
what is the snowline?
answer
the elevation above which snow persists throughout the year
question
what is the zone of wastage
answer
the part of the glacier where snow melting exceeds snow accumulation
question
under what conditions will the front of a glacier remain stationary?
answer
glacial fronts remain stationary when melting and snow accumulation are equal
question
what is an end moraine?
answer
a ridge of debris deposited at the end of a glacier
question
how does an end moraine form?
answer
pieces of rock are transported to the front of a glacier as ice within the glacier moves
question
will plucking occur if a glacier is NOT advancing?
answer
yes, because glacial ice is still moving inside the glacier even if the glacier's front is not advancing
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