Coasts - GLossary - 2/5

Long wavelength and low wave height. stronger swash than backwash. Low frequency and higher wave profile. Beach has low gradient profile.
Constructive Waves
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When Acids in the sea water dissolves the rocks.
Corrosion solution
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Projected public schemes evaluated in terms of social outcomes and profit/loss.
Cost-benefit analysis
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geological period 65-135 million years ago
Cretaceous
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Triangular accumulation of sediment such as sand and shingle.
Cuspate Foreland
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movement of people to coastal areas. Can be negative in terms of intensive housing development along coastlines = enviornmental degradation.
Coastalisation
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Coastal management where a situation is montiered whilst letting nature take its course. Only defence activity is safety measures.
Do nothing
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When ecosystems become more fertile environments because of detergents, sewage and artificial fertilisers coming in.
eutrophication
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Global change of sea levels possibly due to growth/decay of ice sheets.
Eustatic State
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Balanced state of a system when inputs and outputs are equal. One element changes from outside influrence = balance is upset internally and components are altered. Feedback means system can adjust and regain the balance.
Dynamic Equilibrium
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Identifies and protects both geological and biological interests.
National Nature Reserve (NNR)
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the gradual evolution of a series of plants within an ecosystem or given area. This series of plant communities occurs in a roughly predictable order.
Plant succession
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Dutch term for a flat piece of land that has been reclaimed from the sea, lakes or rivers by building dykes and draining. Polders are maintained by pumping.
Polder
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the shape of the Earth’s surface. An area of ‘high relief’ has large differences in the height of the land; ‘low relief’ indicates little difference in altitude
Relief
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A strategy to encourage the movement of the shoreline landward of its present position in a managed or controlled manner, hence the term ‘managed retreat’.
Retreat the line
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the way in which the rock is constructed such as in layers or as a solid mass, its angle and direction and how it has folded or faulted
Rock structure
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Other cards in this set

Card 2

Front

When Acids in the sea water dissolves the rocks.

Back

Corrosion solution

Card 3

Front

Projected public schemes evaluated in terms of social outcomes and profit/loss.

Back

Preview of the front of card 3

Card 4

Front

geological period 65-135 million years ago

Back

Preview of the front of card 4

Card 5

Front

Triangular accumulation of sediment such as sand and shingle.

Back

Preview of the front of card 5
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