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Mean erosion rate — Edexcel GCSE Geography Definition | GradeGen

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Geography
Key terms
Mean erosion rate

GCSE Geography · key term

Mean erosion rate

Definition

Average coastal retreat per unit of time, commonly calculated as total retreat in metres divided by elapsed time in years.

Used by Edexcel

How each exam board covers it

Edexcel GCSE Geography A · 1GA0

Specification 1.6 · Paper 1

Revise: Geology, Landforms and Erosion Rates

Edexcel Geography A past papers

Edexcel GCSE Geography B · 1GB0

Paper 2

The average distance lost through erosion per unit of time, calculated by dividing total retreat by elapsed time.
Revise: Fieldwork and Quantitative Skills in Coastal Geography

Edexcel Geography B past papers

Related key terms

Accretion
Bedrock
Climate
Coastal retreat
Concordant coastline

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Discordant coastline

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