Sources of energy in coastal environments: winds, waves (constructive and destructive), currents and tides; low energy and high energy coasts
Coasts receive energy from winds, waves, currents, and tides. The amount of energy arriving determines whether a coast erodes quickly or builds up sediment slowly.
Real World
The Severn Estuary between England and Wales experiences some of Europe's highest tidal ranges (up to 15 metres), making it a high-energy coast where tidal currents constantly reshape sandbanks and mudflats — the basis for proposed tidal barrage schemes.
Exam Focus
Always name the specific energy source (wind, tide, wave type) rather than writing 'lots of energy' — vague answers rarely gain top-band marks.
Essay Framework
Use PEEL to structure every paragraph. Tap each step for guidance and an example.
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