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Glaciation (Geography Class Notes)

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Course
Canadian geography

Institution
9th Grade

Geography Class Notes Containing the following: Glaciation, Glaciers, Weathering, Erosion, How Glaciers are made, How Glaciers move, Types of Glaciers, Features Caused by glaciers

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Uploaded on October 8, 2022
Number of pages 2
Written in 2022/2023
Type Interview
Company Unknown
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geography
world geography
glaciers
weathering
erosion
glaciation
how glaciers are made
how glaciers move
types of glaciers
canadian geography
features caused by glaciers

Institution Secondary school
Education 9th Grade
Course Canadian geography
School year 1

CA$12.33

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Weathering:the destruction process of things by natural processes, without being moved
Erosion: the destruction process of thing by natural forces, and being moved

How glaciers are made:
● “Glaciation” occurs when snow freezes
● Glaciers are created when more snow falls in the winter than can be melted during the
following summer
● As snow builds up, the glacier becomes heavy and turns the bottom layers into ice

● Once the glacier is heavy enough, gravity pulls it downwards or outwards
● This causes rock underneath the glacier to be broken(weathering) and carried away with
melt water(erosion)

How does it move?
● Moves like a balloon being squished
● Less new snow, more melt=smaller footprint
● More new snow, less melt= bigger footprint
● In glacier crevasses there’s melt water that digs down to the core bedrock

Types of glaciers:
Alpine:
● A glacier in a mountain region
● Moves because of gravity
● Only a few centimeters per day

Continental glacier:
● Exists on flat land
● Moves because of weight

Features cause by glaciers:
● U shaped valley:
● As glaciers move down valleys, they scrape away the valley
walls and make them smooth and u-shaped.

● Till:
● It is material that is picked up, carried and dropped by a glacier.
● Includes fine particles (sand) to huge particles (boulder).

● Moraine:
● Are ridges(piles) of till.
● Left by the front or side of a glacier as it retreats

● Spillway:
● As glaciers melt, huge amount of water must flow away

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