In this chapter, you will learn about how the movement of the Earth’s oceans can alter the coasts of continents and countries.
KEY WORDS
l Waves l Fetch l Crest l Swash l Backwash l Destructive waves l Constructive waves l Wave refraction l Hard/soft coasts l Hydraulic action l Abrasion l Attrition
l Compression l Solution l Cliff l Wave-cut platform l Undercutting l Coastal retreat l Bays and headlands l Sea stump l Blowhole l Geo l Longshore drift l Beach
LEARNING OUTCOMES
What you MUST know l The processes of erosion, transportation and deposition
l A landform of erosion l A landform of deposition l Human interaction with coasts l Coastal protection methods l How to recognise coastal landforms on diagrams, photographs and OS maps
What you SHOULD know l A second process of erosion l A second process of deposition l Destructive/constructive waves l How wind drives waves
What is USEFUL to know l The parts of a wave
l Youghal l Shingle l Backshore l Foreshore l Storm beach l Marram grass l Dunes l Sandspit l Tombolo l Lagoon l Coastal protection
200 EARTH
Note!
You must study either Chapter 11 or Chapter 12 in detail, but make sure to familiarise yourself with the appearance of the landforms in both chapters.