Crowded Coasts

Worked examples (8)

• 1Distinguish constructive and destructive waves (4 marks)
• 2Name the four marine erosion processes (4 marks)
• 3Identify the four transport processes (3 marks)
• 4Explain the mechanism of hydraulic action (4 marks)
• 5Explain longshore drift with a diagram (5 marks)
• 6Explain slumping on a coastal cliff (6 marks)
• 7Explain a coastal sediment cell and its budget (6 marks)
• 8Assess the factors controlling the rate of coastal erosion (8 marks)

Model answers (9)

• ✓Model answer 1
• ✓Model answer 2
• ✓Model answer 3
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style

Worked examples (8)

• 1Name the marine erosion processes (3 marks)
• 2Headlands and bays on a discordant coast (4 marks)
• 3Label the cave–arch–stack–stump sequence (4 marks)
• 4Formation of a wave-cut platform (5 marks)
• 5Formation of a spit (6 marks)
• 6Contrast concordant and discordant coasts (6 marks)
• 7Rock structure and cliff profiles (8 marks)
• 8Formation of a tombolo (6 marks)

Model answers (9)

• ✓Model answer 1
• ✓Model answer 2
• ✓Model answer 3
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style

Worked examples (8)

• 1Sequence the stages of sand dune succession (3 marks)
• 2Conditions needed for coral reef growth (3 marks)
• 3Adaptations of mangroves to their environment (3 marks)
• 4Explain the xerophytic adaptations of marram grass (4 marks)
• 5Explain salt marsh development through accretion (5 marks)
• 6Explain the process of coral bleaching (6 marks)
• 7Assess mangroves as natural coastal protection (6 marks)
• 8Evaluate human threats to coastal ecosystems (8 marks)

Model answers (9)

• ✓Model answer 1
• ✓Model answer 2
• ✓Model answer 3
• ✓Model answer 4
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style

Worked examples (8)

• 1Why 'crowded coasts' face greater risk (3 marks)
• 2How a sea wall protects the coast (3 marks)
• 3Groynes and longshore drift (4 marks)
• 4Evaluate beach nourishment as a soft-engineering option (5 marks)
• 5The four Shoreline Management Plan options (4 marks)
• 6Explain and evaluate managed realignment (6 marks)
• 7Evaluate hard engineering on the Holderness coast (6 marks)
• 8Unfamiliar context: evaluate a technique from a photograph (8 marks)

Model answers (9)

• ✓Model answer 1
• ✓Model answer 2
• ✓Model answer 3
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 Section C style
• ✓Model answer — Edexcel IAL Geography Unit 2 style

Worked examples (8)

• 1Turn an aim into a testable hypothesis (3 marks)
• 2Choose and justify a sampling strategy (4 marks)
• 3Describe how to measure a beach profile (4 marks)
• 4Design an Environmental Quality Index survey (5 marks)
• 5Match data to the right presentation technique (5 marks)
• 6Carry out a Spearman's rank correlation (8 marks)
• 7Interpret a beach profile and spot an anomaly (6 marks)
• 8Evaluate reliability and validity of a coastal method (8 marks)

Model answers (9)

• ✓Model answer 1
• ✓Model answer 2
• ✓Model answer 3
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style
• ✓Model answer — Edexcel IAL Geography Unit 2 style