Coastal case studies Flashcards
What happened at Medmerry
Low lying coast used for farming and caravan parks, land protected by sea wall but needed repair, sea allowed to breach current defences and flood farmland
How much did Medmerry cost
£28 million, November 2013
What will Medmerry retreat allow
Large saltmarsh that acts as a buffer, helps protect farmland and caravan parks from flooding, establish wildlife habitats and encourage visitors
Where is Lyme Regis
Small coastal town on south coast of England, at world heritage sight Jurassic coast, popular tourist destination
What are the issues at Lyme Regis
Town built on unstable cliffs, coastline eroding more rapidly than any in Europe due to powerful waves, properties damaged and destroyed, sea walls breached,
How has Lyme Regis coast been managed
New sea walls, wide sand and shingle beach, extension of rock armour
Positive outcomes of Lyme Regis management
New beaches have increased visitor numbers and businesses are thriving, defences working, harbour better protected
Negative outcomes of Lyme Regis management
Increased visitors led to traffic congestion, defences spoilt coastal landscape, sea wall may interfere with coastal processes, stabilising cliffs prevents landslips revealing fossils
Where is River Tees
River in north east England, source high in Pennine Hills near Cross Fell, flows east 128im to reach North Sea at Middlesborough
High force waterfall and gorge
High force close to forest in teesdale in upper course, drops 20m in plunge pool
How did high force High force waterfall form
Resistant band of igneous rock called derolite which cuts across river valley
How did high force High force gorge form
As river plunges over waterfall it undercuts weaker limestone forming an overhang which collapses forming a gorge
Where is banbury
Located in Cotsworld Hills 50km north of Oxford, population 45,000, much of town is on floodplain of River Cherwell
How has banbury been affected by flooding
in 1998, flooding led to closure of railway station, shut roads, damage of £12.5 million, over 150 homes and businesses affected
What has been done to reduce risk of flooding at Banbury
New flood defence scheme completed in 2012, earth embankment built, A361 raised, pumping station to transfer rainwater into river below town
