Glaciated Landscape System
Inputs:
- Ice Ages
- Snow
Processes:
- Weathering
- Erosion
- Deposition
- Freeze thaw (frost shattering)
- Abrasion
- Plucking
Outputs:
- Tarn
- Corries
- U-shaped valley
- Aretes
- Pyramidal Peaks
- Ribbon Lakes
Which areas are glaciated? - UK
Upland areas in Scotland, North Wales and Northern England
Glacial Erosion
Glacial erosion is PAF!
Plucking
Abrasion
Freeze-thaw
Case Study - Helvellyn, Peak District
What?
Helvellyn, an area of upland glacial scenery
Where?
Lake District, north-west England.
When?
Formed between 100 000 and 10 000 years ago.
Features?
Helvellyn - Mountain Red Tarn and Blea Tarn - Lake/tarn and Corrie Striding Edge - Arete
So What?
Impact of humans:
Conflict between tourists and other land users e.g. farmers.
Tourists - erosion and over crowding
Limestone (Karst) Scenery
Inputs
Rock type:
- Sedimentary
- Jointed
- Calcium carbonate
- Pervious
Processes
- Chemical weathering
Outputs
- Pavement
- clints/grykes
- Swallow (sink) hole
- Stalagmites
- Stalactites
- Caverns
- Gorges
Which areas contain limestone scenery?
Malham Cove, Yorkshire Dales
Castleton, Peak District
What might the examiner ask?
- Name a National Park, nature of a National Park
- Why increased use
- Descriptions of glaciated/limestone landscapes
- Explanation in terms of inputs and processes
- Explain the formation of a particular feature of glacial or karst scenery
- Definitions of terms
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