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GCSE Geography Revision Topics: Natural Environments

Glaciated Landscape System
Which areas are glaciated? - UK
Glacial Erosion
Case Study - Helvellyn, Peak District
Limestone (Karst) Scenery
Which areas contain limestone scenery?
What might the examiner ask?


Natural Environments:

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?

    1. Name a National Park, nature of a National Park
    2. Why increased use
    3. Descriptions of glaciated/limestone landscapes
    4. Explanation in terms of inputs and processes
    5. Explain the formation of a particular feature of glacial or karst scenery
    6. Definitions of terms


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