11752689
Description
Flashcards by Steven Morgan, updated more than 1 year ago
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Created by aileen Mc
over 9 years ago
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Copied by Steven Morgan
over 6 years ago
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| Question | Answer |
| Feature | The Beach |
| Process | Depositoin |
| Example | Tramore Co waterford |
| Definition | Loose material Gentle slope in Summer Steep slope in Winter Boulders / Rocks / Sand / Shingle Exposed between high and low water mark |
| 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 9 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/ridge Marks average tide 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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