Pregunta | Respuesta |
Feature | The Beach |
Process | Depositoin |
Example | Enniscrone - Co. Sligo |
Definition | Loose material Gentle slope Boulders / Rocks / Sand / Shingle |
3 Parts | Backshore - Upper Middle Shore Foreshore - Lower |
2 types of locations for beaches | Straight Coast Curved coast - Bay - Bayhead beach |
Constructive Waves | Swash is stronger than backwash They deposit Break less than 8 per minute |
Longshore Drift | Transportation of material along a coast Zig-Zag manner Oblique angle |
Swash | Stronger than backwash Carries material up the shoreline Water percolates down through sand Leaves material behind |
Assortment of material | Large material at the backshore Smaller material on the foreshore |
Storm Beach | Stormy conditions - High energy waves deposit large material at the back of the beach |
Berms | Steps Summer time only Temporary |
Ridges and Runnels | Parallel to the coast |
Cusp | Crescent shaped |
Sand Dune | Mounds of sand Backshore Grow over time |
Marram Grass | Salt resistant grass Anchors / stabilises the dune |
Protection | Gabions Rock armour Sea Walls |
Cusp | |
Bay-head Beach | |
Constructive wave Strong swash | |
Longshore Drift Zig zag manner Oblique angle Transportation | |
Ridges & Runnels |
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