Coasts - Overview

GCSE Geography COASTS This is the study of coastal processes and the amazing landforms that result. We consider human interaction with the coastal environment, the consequences of coastal issues and problems, leading to the strategies and decisions needed to solve them.

Key Concept Problems of erosion Erosion

Transportation

Coastal defences

Deposition

Waves & beaches Tourism

Coastal flooding

Outline Key Words 1-2. Cliff retreat, downwind deposition. Case study - Mappleton, Holderness coast. 3. Processes of coastal erosion Hydraulic power, attrition, abrasion, solution/corrasion 4. Landforms of coastal erosion Cliff, wave-cut platform, wave-cut notch, cave, arch, stack, stump Case study – Old Harry Rocks. 5. Processes solution, traction, suspension, saltation & longshore drift. 6-7. Types – hard & soft. Positives and negatives of each. Sea wall, rip-rap/rock armour, gabions, revetment, groynes, beach replenishment. Case Study: Dorset coast (NKG – p.38-39) 8. Process & landforms Beach, spit, bar Case study – Spurn Point (Holderness, Humber Estuary) 9. Formation and features. Constructive; destructive; fetch; swash; backwash 10. Problems and benefits. Swanage. 11. Management projects. Case study – Swanage, Dorset. 12. Causes and effects 13. Case study – Bangladesh.