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17 Cards in this Set
- Front
- Back
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Coastal Systems |
A series of linked elements affecting the coastal zone through which energy and material circulate |
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Open system |
Allows the transfer of matter and energy |
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Closed system |
Only energy can be transferred |
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Inputs |
Something that is added to a system |
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Dynamic equilibrium |
When there is balance between the inputs and outputs |
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Backshore |
Between HWM and landward limit for marine activity. Changes normally in storm |
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Negative feedback |
Where the effects of an action are nullified by subsequent knock on effects |
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Positive feedback |
Where the effects of an action are amplified or multiplied by subsequent knock on effects |
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Foreshore |
The area between HWM and LWM. Most important zone for marine processes, not influenced by storm |
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Inshore |
Area between LWM and point where waves have no influence over land below |
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Offshore |
Area beyond the point where waves cease to impact on the seabed and activity is limited to deposition of sediment |
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Nearshore |
Area extending seaward from the HWM where waves begin to break |
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Swash zone |
The area where a turbulent layer of water wahses up the beach following a wave breaking |
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Surf zone |
The area between the point where waves break, forming a foamy surface and where waves move up beach as swash in swashzone |
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Breaker zone |
The area where waves approaching coastline begin to break (5-10m) |
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Landscape |
An expanse of land or scenery that can be seen in a single view, including both physical and human factors |
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Landform |
Any recognisable naturally formed surface feature of earth |
