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1. • Abrasion and plucking

     

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     • • The main processes involved in the formation of glacial troughs are abrasion and plucking.
     www.bbc.co.uk/gcsebitesize/audio/geography/pdf/formation_of_a_glacial_trough.pdf

     Formation of a glacial trough - BBC

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   How does a glacial trough form?

   • Tour guide: That’s a good explanation, thank you. The formation of a glacial trough involves two processes abrasion and plucking. Abrasion is when pieces of debris in the glacier wear away at the rocks below, a bit like sandpaper. The sharper rocks in the ice can also cause scratches in the rocks called striations.

   Formation of a glacial trough - BBC

   www.bbc.co.uk/gcsebitesize/audio/geography/pdf/formation_of_a_glacial_trough.pdf

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   What can you find in a glacial trough?

   • • Within a glacial trough you can also find hanging valleys and waterfalls, truncated spurs, misfit streams, ribbon lakes, rock steps and basins. • The main processes involved in the formation of glacial troughs are abrasion and plucking. Commentary from a guided helicopter tour. Tour guide: Good morning and welcome to the Lake District.

   Formation of a glacial trough - BBC

   www.bbc.co.uk/gcsebitesize/audio/geography/pdf/formation_of_a_glacial_trough.pdf

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   What is a characteristic feature of mountain glaciations?

   • A characteristic feature of mountain glaciations: these glacial troughs may be several hundred meters deep and tens of kilometers long. Within a glacial trough, several erosional and deposinal features are preserved. The main processes involved in the formation of glacial trough are abrasion and plucking.

   Glacial Trough - SpringerLink

   link.springer.com/referenceworkentry/10.1007/978-90-481-2642-2_186

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   How are glacial valleys formed?

   • Glaciated valleys are formed when a glacier travels across and down a slope, carving the valley by the action of scouring. When the ice recedes or thaws, the valley remains, often littered with small boulders that were transported within the ice, called glacial till or glacial erratic.

   U-shaped valley - Wikipedia

   en.wikipedia.org/wiki/U-shaped_valley

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   How do tributary valleys form after glaciation?

   • Surrounding smaller tributary valleys will often join the main valleys during glaciation periods, leaving behind features known as hanging valleys high in the trough walls after the ice melts. After deglaciation, snow and ice melt from the mountain tops can create streams and rivers in U-shaped valleys. These are referred to as misfit streams.

   U-shaped valley - Wikipedia

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   What is a glacial trough or U shaped valley?

   • Below us you can see the Great Langdale valley. This is what geographers call a glacial trough or U shaped valley. Would you like to explain? Tourist: During the glacial period, this valley would have been filled by a glacier, which is a bit like a huge river of ice.

   Formation of a glacial trough - BBC

   www.bbc.co.uk/gcsebitesize/audio/geography/pdf/formation_of_a_glacial_trough.pdf

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3. www.bbc.co.uk › formation_of_a_glacial_troughFormation of a glacial trough - BBC

   www.bbc.co.uk › formation_of_a_glacial_trough

   The formation of a glacial trough involves two processes abrasion and plucking. Abrasion is when pieces of debris in the glacier wear away at the rocks below, a bit like sandpaper. The...

   • Shaping The Land

     Glacial landforms created by erosion. Learn about and revise...

4. www.bbc.co.uk › bitesize › guidesGlacial processes and landforms - AQA Glacial processes ... - BBC

   www.bbc.co.uk › bitesize › guides

   Glacial landforms created by erosion. Learn about and revise glacial landforms and processes, including weathering, erosion, transportation and deposition, with GCSE Bitesize Geography (AQA).

5. Videos

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     Glacial trough: describe and explain

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     Glacial processes - shaping the land - Glacial processes and landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize

     15 Sep 2018

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     BBC Geography - Glaciers

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6. www.tutor2u.net › geography › topicsGlacial troughs | Topics | Geography - tutor2u

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   Unlike V-shaped river valleys, glacial troughs are straight as they have truncated any interlocking spurs which existed prior to glacial advance. These are valleys formed by the glacial processes of weathering, erosion and transportation.

7. link.springer.com › referenceworkentry › 10Glacial Trough - SpringerLink

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   Jan 1, 2014 · Within a glacial trough, several erosional and deposinal features are preserved. The main processes involved in the formation of glacial trough are abrasion and plucking. Glacial Trough, Figure 1

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8. en.wikipedia.org › wiki › U-shaped_valleyU-shaped valley - Wikipedia

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   U-shaped valleys, also called trough valleys or glacial troughs, are formed by the process of glaciation. They are characteristic of mountain glaciation in particular. [1]

9. www.savemyexams.com › a-level › geographyGlacial Erosion Landforms & Landscapes | Edexcel A Level ...

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   Oct 7, 2024 · The processes include the physical and chemical weathering that occur underneath patches of snow. Fluctuating temperatures and meltwater promote chemical weathering and freeze-thaw action. Weathered material is transported with the summer meltwater. Repeated cycles of melting, freezing, and transportation form nivation hollows.

10. www.savemyexams.com › 3/4/2-glacial-landformsGlacial Landforms: Troughs & Corries GCSE Geography Revision

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    Aug 9, 2024 · Learn about the formation of glacial landforms from corries to troughs, along with examiner tips and worked examples for the AQA GCSE Geography exam.