Coasts lmgr

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Transcript of Coasts lmgr

Slide 1Lastminutegcsegeographyrevison@kingdown

Coasts

Slide 2Lastminutegcsegeographyrevison@kingdown

Preparation before starting this Revision unit you need to have:-•Sorted you theory notes and produced a contents page•Have your case studies completed

IntroductionThis unit is to give you 30 minutes of Geography Revision on the Hazards topic. Work through the tasks and stick to the timings. You could work through this unit more than once

ResourcesYou will find these resources usefulContents page from your files, the supporting PowerPoint presentation (this can be downloaded to your MP3 player or phone) the topic glossary

Slide 3

You may begin….. Record down your start time

Slide 4

30 25 20 15 10 5 0

How do these EROSION processes work?

Slide 5

30 25 20 15 10 5 0

How do these factors affect EROSION?

Factor Explain how affects EROSION

Wave heightSea DepthFetchCoastline shapeBeach SizeGeology ResistanceGeology StructureGeology Dip

Slide 6

30 25 20 15 10 5 0

How does weathering affect cliff retreat

Slide 7

30 25 20 15 10 5 0

How does mass movement affect cliff retreat

Slide 8

30 25 20 15 10 5 0

How does this cliff and headland turn into a cave, arch and stack.

Slide 9

30 25 20 15 10 5 0

What is Wave refraction.

Slide 10

30 25 20 15 10 5 0

How does Longshore drift work?

Slide 11

30 25 20 15 10 5 0

How does a spit form?

Slide 12

30 25 20 15 10 5 0

How does a Tombolo form?

Slide 13

30 25 20 15 10 5 0

There is a need to protect stretches of coastline from Erosion and flooding

What Conflicts will occur on the coast ?

Slide 14

30 25 20 15 10 5 0

Option Advantage Disadvantage

Groyne

Sea wall

Breakwater

Rip Rap

Revetment

Gabion

Complete the Table.

Slide 15

30 25 20 15 10 5 0

Option Advantages Disadvantages

Beach Feeding

Managed retreat

Marram Planting

Complete the Table.

Slide 16

30 25 20 15 10 5 0

How SUSTAINABLE are the management techniques

Feature TechniqueMinimises ConflictAccessibilityConserves environmentAesthetically pleasingDurabilityCostEase of maintenance

Complete the Table.

Slide 17

30 25 20 15 10 5 0

A case study of one coastal area and its landforms.

What PROCESSES operate here?What are the LANDFORMS.

Slide 18

30 25 20 15 10 5 0

A case study of one coastal area and its landforms.

Measure taken Reason Effects Conflicts

Long GroyneHengistbury Head

Gabion Cages Double Dykes

Groynes Southbourne

Cliff regradingBarton on Sea

Beach FeedingBournemouth

Time’s Up

Why not try one of the other lastminuteGCSEgeographyrevision courses