Landforms of Deposition (Leaving Cert Geography): Flashcards
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Practise the cards
14 cards from this deck
Beach definition
Beach definition
Accumulation of loose sediment between low & high tide marks
Role of constructive waves in beaches
Role of constructive waves in beaches
Stronger swash deposits material; weaker backwash can't remove it all
Swash function
Swash function
Carries sediment up the beach
How beach materials are sorted
How beach materials are sorted
Larger stones higher up, finer sand/mud near water
Backshore composition & slope
Backshore composition & slope
Upper, steeper section; coarse materials like shingle
Foreshore composition & slope
Foreshore composition & slope
Lower section, gentler slope; finer sand & mud particles
Berms definition
Berms definition
Small ridges of coarse gravel parallel to coast
Runnels location & form
Runnels location & form
Gently sloping sand ridges on seaward edge of foreshore
Marram grass role in dunes
Marram grass role in dunes
Binds sand particles together with root system
Sandspit definition
Sandspit definition
Elongated ridge of sand extending from coast into sea
Where sandspits form
Where sandspits form
Where sudden change in coastline shape disrupts drift
Tombolo definition
Tombolo definition
Sandspit that connects mainland to offshore island
Baymouth bar definition
Baymouth bar definition
Spit extending completely across mouth of bay
Lagoon formation
Lagoon formation
Bay cut off from sea by baymouth bar
