5255171
Description
Flashcards by Sid Bendall, updated more than 1 year ago
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Created by Sid Bendall
over 8 years ago
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| Question | Answer |
| What does ICZM stand for? | Intergrated coastal zone management |
| What does the ICZM do? | Provides management of the whole coastal area, not just the beach and row of hotels. It manages an area at lest 5 KM inland |
| Define Fetch | The distance over which a wave travels, the longer the distance the bigger the wave |
| What is a Constructive Wave? | Long, low waves that spill onto the beach. strong swash, limited reaction. |
| What is a Destructive Wave? | Short, steep waves that plunge onto the beach with force. Quite strong swash but much stronger backwash |
| Define Marine Erosion | The wearing away of rocks by the action of the sea |
| Define Weathering | The breaking down of rocks by the action of the weather, plants or chemical action |
| The major movement of material along the coast is called what? | Longshore Drift |
| What is a Spit? | A permanent landform created by deposition. it is an extended stretch of beach that sticks out into the spit |
| What is a Soft Coastline? | A cliff made up of less resistant rock (eg.sandstone) *These coastlines are very prone to erosion and weathering* |
| What does DEFRA stand for? | Department for Environment Food and Rural Affairs |
| What is Hard Engineering? | Controls the power of the sea by building barriers between the sea and the land. (eg. sea walls) |
| Define Hold The Line | Building a barrier to prevent erosion |
| Define Advance The Line | To build a bigger beach to absorb the power of the destructive wave |
| What is Managed Retreat? | Allowing low lying areas to flood up to a new line of defence inland |
| What is DEFRAs aim for coastal areas in the UK? | Maintain the existing coastline by building different types of defences. |
| What is Beach Nourishment? | Pumping sand from the seabed to replace eroded sand. |
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