Glaciation and Glacial Features
Subjects / Geography / Glaciation
A glacier is a moving mass of ice, usually in a downhill movement due to the force of gravity. The way in which a glacier has formed and the effects they have on the landscape is known as 'glaciation'. Glaciers form when snow accumulates and is compressed by its own weight. As the snow is compressed, it becomes denser and as the density increases, the snow is compacted until it becomes ice. Glaciers can 'erode' land, which is when they wear away and remove material. They can also carry this material as they move through a valley. Glaciers deposit material as they are moving, or if the load becomes too much to carry. These processes, as well as other glacial features, are examined in this title. A Case Study of the Lake District shows a present day glaciated area.
| Author: | Nicola Gill | Publisher: | GCSEPod® |
| Narrator: | Stuart Blackburn | ISBN: | 978-1-84906-097-4 |
| Video ISBN: | 978-1-84906-597-9 |
Chapters
- Glacial Erosion
- Erosional Features - Corries, Arêtes and Pyramidal Peaks
- Erosional Features - Glacial Troughs, Truncated Spurs, Ribbon Lakes and Hanging Valleys
- Glacial Transportation and Deposition
- Human Use of Glaciated Areas
- Lake District Case Study
Exam Board Relevance
- Edxcel
- AQA
- CEA
- IGCSE (EdExcel)
- OCR
- SQA
- WJEC
- IGCSE (CiE)
Includes original GCSEPod image art. Additional pictorial images created by Damon Smith
Curriculum and Exam Board Information
Key Issues
Titles
Chapters
- aretes
- Contemporary issues may include conflicts between authorities promoting tourism and local inhabitants
- Contemporary issues may include depopulation of these remote areas
- Contemporary issues may include environmental degradation
- corries
- Description and explanation of abrasion
- Description and explanation of arêtes
- Description and explanation of chemical weathering as exemplified by carbonation/solution
- Description and explanation of corries
- Description and explanation of glacial troughs
- Description and explanation of hanging valleys
- Description and explanation of how glaciers transport above the ice
- Description and explanation of how glaciers transport below the ice
- Description and explanation of how glaciers transport within the ice
- Description and explanation of loss of energy
- Description and explanation of melting
- Description and explanation of physical weathering as exemplified by freeze - thaw
- Description and explanation of plucking
- Description and explanation of pyramidal peaks
- Description and explanation of ribbon lakes
- Description and explanation of terminal moraines
- Description and explanation of the consequences of carbonation/solution in limestone areas
- Description and explanation of the formation of scree slopes
- Description of the landforms specified, and explanation of their formation in terms of the processes involved
- glacial troughs
- One case study e.g. the Lake District, Alps, Rockies, Himalayas is advised to enable students to describe and explain the human uses of the landscape in upland glaciated areas.
- Opportunities prevail for decision making exercises e.g. on plans for new winter sports facilities or speed limits on lakes etc.
- ribbon lakes
- The aims of National Parks
- the build up and compaction of snow
- The major glacial landscape features of the Lake District: upland glaciation, including the processes of frost shattering, plucking and abrasion, leading to the formation of aretes
- The major glacial landscape features of the Lake District: upland glaciation, including the processes of frost shattering, plucking and abrasion, leading to the formation of corries
- The major glacial landscape features of the Lake District: upland glaciation, including the processes of frost shattering, plucking and abrasion, leading to the formation of glacial troughs
- The major glacial landscape features of the Lake District: upland glaciation, including the processes of frost shattering, plucking and abrasion, leading to the formation ribbon lakes
- the process of abrasion
- the process of frost shattering
- the process of plucking
- The processes should be understood in the context of their role in forming the glacial features listed
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