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Physical Environments 1Loading...
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GLACIAL LANDSCAPES National 5 Geography
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GLACIAL LANDSCAPES
Landscape types
Within the context of two landscape types, selected from either:
Glaciated uplands and Coastal landscapes OR
Upland limestone and Rivers and their valleys
The identification and formation of the following landscape features:
1. GLACIAL LANDSCAPES
The formation of the following landscape features:
1. Corrie
2. Truncated spur
3. Pyramidal peak
4. Arête
5. U-shaped valley
Within the context of two landscape types, selected from either:
Glaciated uplands and Coastal landscapes OR
Upland limestone and Rivers and their valleys
The identification and formation of the following landscape features:
1. GLACIAL LANDSCAPES
The formation of the following landscape features:
1. Corrie
2. Truncated spur
3. Pyramidal peak
4. Arête
5. U-shaped valley
GLACIAL FORMATION
1. I can explain how a glacier is formed:
•When more snow falls in winter than melts in the summer.
•Often in north facing hollows, where there is less sunlight / heat (in the northern hemisphere).
•Over many years the weight of the snow compresses the previous years snow turning it into ice.
•The weight of the ice and gravity pull the glacier downhill.
•When more snow falls in winter than melts in the summer.
•Often in north facing hollows, where there is less sunlight / heat (in the northern hemisphere).
•Over many years the weight of the snow compresses the previous years snow turning it into ice.
•The weight of the ice and gravity pull the glacier downhill.
Can you watch the following sections:
Neve formation 5:37 – 7:54 minutes
Neve formation 5:37 – 7:54 minutes
https://www.twigscotland.com/film/glaciers-1096/
2.39 minutes
2.39 minutes
GLACIAL PROCESSES
2. I can explain how a glacier erodes and shapes the landscape by the processes of:
1.Plucking
2.Abrasion
3.Freeze - Thaw
1.Plucking
2.Abrasion
3.Freeze - Thaw
1 – Plucking:
when ice sticks onto rocks at the sides of the valley and rips them out as it moves. This action erodes a steeper hollow.
when ice sticks onto rocks at the sides of the valley and rips them out as it moves. This action erodes a steeper hollow.
2 – Abrasion:
when rocks frozen into the base of the glacier grind the valley floor as the glacier moves. This action erodes a deeper hollow.
when rocks frozen into the base of the glacier grind the valley floor as the glacier moves. This action erodes a deeper hollow.
3 - Freeze – Thaw:
water gets into cracks in rocks, when it freezes the water expands. Repeated over many times this can shatter rock away from the rock face.
water gets into cracks in rocks, when it freezes the water expands. Repeated over many times this can shatter rock away from the rock face.
GLACIAL LANDFORMS
3. I can explain the formation of the following features:
1. Corrie
2. Arête
3. Pyramidal Peak
4. U-Shaped Valley
5. Truncated Spur
1. Corrie
2. Arête
3. Pyramidal Peak
4. U-Shaped Valley
5. Truncated Spur