Coastal Landforms: Case Studies

Active learning helps Year 13 students grasp the dynamic nature of coastal landforms because abstract processes like longshore drift become concrete when students manipulate materials or analyze real coastal maps. Case studies like Holderness and Spurn Head reveal how geology, waves, and human action interact, turning textbook descriptions into tangible evidence students can evaluate and debate.

• Year 13
• Geography
• 4 activities
• 35 min–50 min

Learning Objectives

1. Analyze the specific erosional and depositional processes shaping a chosen UK coastal landform.
2. Compare the geomorphological characteristics of two distinct UK coastal case studies, explaining differences in formation.
3. Evaluate the influence of geological structure and rock resistance on the development of a specific coastal feature.
4. Synthesize information from multiple sources to explain the role of human intervention in coastal change at a case study site.

Jigsaw

⏱ 50 min·Small Groups

Jigsaw: Landform Experts

Divide class into expert groups, each assigned one landform case study like Old Harry Rocks or Blakeney Spit. Groups research processes, geology, and diagrams, then create teaching posters. Regroup into mixed teams where experts teach their feature, followed by class comparisons.

Prepare & details

Analyze the unique geomorphological characteristics of a specific coastal landform.

Facilitation Tip: During Jigsaw: Landform Experts, assign each expert group a UK case study and a specific process (hydraulic action, abrasion, attrition) so students must articulate precise links between process and landform before teaching peers.

Setup: Flexible seating for regrouping

Materials: Expert group reading packets, Note-taking template, Summary graphic organizer

• Understand
• Analyze
• Evaluate
• Relationship Skills
• Self-Management

Case Study Analysis

⏱ 35 min·Pairs

Map Carousel: Coast Comparisons

Provide OS maps and aerial photos of two coasts, such as Jurassic and Norfolk. Pairs rotate stations to annotate features, note geology, and list formation processes. Conclude with whole-class sharing of similarities and differences.

Prepare & details

Compare the processes that led to the formation of two different coastal features.

Facilitation Tip: In Map Carousel: Coast Comparisons, rotate students every 3 minutes to prevent cognitive overload and force quick synthesis of spatial patterns across erosional and depositional coasts.

Setup: Groups at tables with case materials

Materials: Case study packet (3-5 pages), Analysis framework worksheet, Presentation template

• Analyze
• Evaluate
• Create
• Decision-Making
• Self-Management

Case Study Analysis

⏱ 40 min·Small Groups

Model Build: Longshore Drift

Small groups use trays, sand, water, and pebbles to simulate drift with a fan or stirrer. Add groynes or varying rock types, observe deposition. Record changes with photos and discuss real-case links like Porlock Bay.

Prepare & details

Evaluate the role of geology in shaping coastal landscapes.

Facilitation Tip: For Model Build: Longshore Drift, provide trays with different sediment sizes and wave directions so students can test variables and observe how drift direction and sediment type shape depositional landforms like spits.

Setup: Groups at tables with case materials

Materials: Case study packet (3-5 pages), Analysis framework worksheet, Presentation template

• Analyze
• Evaluate
• Create
• Decision-Making
• Self-Management

Case Study Analysis

⏱ 45 min·Whole Class

Debate Station: Management Strategies

Assign half the class to argue hard engineering, half soft, using case studies like Holderness. Provide evidence cards, rotate speakers, and vote on best approach with justifications.

Prepare & details

Analyze the unique geomorphological characteristics of a specific coastal landform.

Setup: Groups at tables with case materials

Materials: Case study packet (3-5 pages), Analysis framework worksheet, Presentation template

• Analyze
• Evaluate
• Create
• Decision-Making
• Self-Management

Teaching This Topic

Experienced teachers approach this topic by anchoring theory in real UK coasts, avoiding abstract diagrams that obscure geological variability. They prioritize student talk—through jigsaws, debates, and carousel discussions—to build disciplinary vocabulary and reasoning. Research suggests avoiding lectures on processes alone; instead, embed processes within case study analysis so students see erosion or deposition as drivers of change, not isolated facts.

What to Expect

Successful learning looks like students confidently linking process to landform in both erosional and depositional settings, using evidence from UK case studies to explain why rates and features vary. They should also justify management choices with geological and coastal data, showing critical analysis that meets A-Level standards.

Watch Out for These Misconceptions

Common Misconception

During Jigsaw: Landform Experts, watch for students assuming erosion rates are uniform across rock types.

What to Teach Instead

Use the Holderness erosion rate (2m/year in boulder clay vs. 0.1m in chalk) in expert groups; have students annotate maps with these figures and explain how resistance varies to correct the misconception.

Common Misconception

During Map Carousel: Coast Comparisons, watch for students viewing depositional landforms as fixed features.

What to Teach Instead

Ask students to trace spit migration on Ordnance Survey maps over 100 years and note breaches at Spurn Head; this time-series evidence forces them to see dynamism and challenge static views.

Common Misconception

During Model Build: Longshore Drift, watch for students attributing coastal change solely to wave action.

What to Teach Instead

Have students add freeze-thaw weathering to cliff models or introduce biological weathering (e.g., piddock holes) in sediment trays; group discussions should then connect sub-aerial processes to marine erosion rates.

Assessment Ideas

Exit Ticket

After Map Carousel: Coast Comparisons, provide a UK coastal map (e.g., Dorset). Ask students to label one erosional and one depositional feature, then write one sentence each explaining the primary process responsible, using evidence from their carousel notes.

Discussion Prompt

During Debate Station: Management Strategies, circulate and listen for students justifying their chosen strategy for Holderness with geological data (e.g., boulder clay erodes at 2m/year) and process links (e.g., longshore drift transports sediment southward).

Quick Check

After Model Build: Longshore Drift, show images of a sea arch, sand dune, and beach ridge. Ask students to label each and briefly describe the dominant process (erosion or deposition) using terms from their model reflections.

Extensions & Scaffolding

• Challenge: Ask students to research a less familiar UK coastal landform (e.g., cuspate foreland at Dungeness) and prepare a 3-minute podcast explaining how sediment budget, waves, and storms maintain its shape.
• Scaffolding: Provide sentence starters for the debate station (e.g., ‘Hard engineering is justified at Holderness because… but risks include…’).
• Deeper exploration: Invite students to overlay coastal management strategies onto their longshore drift models to analyze how structures like groynes alter sediment pathways and landform development.

Key Vocabulary

Hydraulic Action	The force of moving water, especially waves, compressing air in cracks in rocks, leading to erosion.
Abrasion	The grinding and scraping of rock surfaces by sediment and debris carried by waves, a key erosional process.
Longshore Drift	The process by which sediment is transported along a coastline by waves approaching at an angle.
Spit	A depositional landform that forms when longshore drift deposits sediment across an estuary or bay.
Discordant Coast	A coastline where bands of rock run perpendicular to the sea, leading to differential erosion and features like headlands and bays.