Holderness coast case study

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  • Created by: JackDo77
  • Created on: 15-05-17 11:46
Around how much coastline is eroded each year along Holderness?
2m a year
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Why is a fast rate of erosion such a problem for the people of Holderness?
costs a lot to protect the coastline by building structures like groynes and sea walls; erodes lands that farmers use which can limit their production; gasline that is in place provides a lot of jobs for local people would be very expensive to move.
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What kind of rock type does the Holderness coast have and what is its lithology?
sedimentary rock such as chalk and limestone erode far more easily than igneous rock such as granite
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What kind of coastline does Cornwall have in comparison to the Holderness coast?
Igneous lithology which only erodes a maximum of 1cm a year (made up of mostly granite)
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What causes the Holderness coast to erode so easily that is to do with the sea?
located next to the North sea which has powerful destructive waves (especially in winter). The sea level is also really deep which means huge waves aren't slowed down by friction when they reach the coast.
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What hard engineering strategey were used at Hornsea along the Holderness coast and what effects did it cause further along the coast
wooden groynes were put in place which protected Hornsea however Mappleton was loosing sediment which resulted in the coast eroding by 4m a year in the 90's
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what is the effect of terminal groyne syndrome along the Holderness coast?
causes more and more places along the coast to have to put up groynes to stop the settlements further up starving their coast of sediment.
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Card 2

Front

Why is a fast rate of erosion such a problem for the people of Holderness?

Back

costs a lot to protect the coastline by building structures like groynes and sea walls; erodes lands that farmers use which can limit their production; gasline that is in place provides a lot of jobs for local people would be very expensive to move.

Card 3

Front

What kind of rock type does the Holderness coast have and what is its lithology?

Back

Preview of the front of card 3

Card 4

Front

What kind of coastline does Cornwall have in comparison to the Holderness coast?

Back

Preview of the front of card 4

Card 5

Front

What causes the Holderness coast to erode so easily that is to do with the sea?

Back

Preview of the front of card 5
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