COASTS CASE STUDY CASE STUDY – The Holderness Coast
Location (& topography): cont. cont.
• Located in East Yorkshire, on the east • deposition (deposited by ice sheets.) • Salt marshes and mudflats
coast Yorkshire. • Sea levels rose at the ned of the last Beaches - deposition:
• Cliffs are made of boulder clay (till.) glacial period – North Sea started to • Wide sand and pebble
• It is 61km long – stretches from erode thick till = present day cliffs. formed near Bridlington –
Flamborough Head to Spurn Head. Wind: winds and waves.
• In sediment cell 2. • Large fetch – wind from north-east.
• Areas of low pressure move down North Challenges:
Background information: Sea – creates storm surges = leads to • Has retreated around 4
• erosion and flooding (1953 – 300 died.) years.
Fastest eroding coastline in Europe.
• It is exposed to powerful destructive • Around 30 villages have be
waves coming from the North Sea. Landscape: • Loss of settlements an
• Soft boulder clay is easily eroded – in Headlands and Wave-Cut Platforms - Skipsea is at risk and
Great Cowden the rate of erosion is over erosion: farmland is lost each year.
10m/yr. • In the north, boulder clay overlies chalk • Loss of infrastructure –
• Boulder clay is prone to slumping. – a headland has formed at Flamborough station 25m from th
• Prevailing winds and longshore drift move Head. (Easington).
material southwards. • Wave-cut platforms have also formed. • Loss of sites of Sp
• Material is deposited where it meets the • Flamborough Head – has arches, stacks Interest (SSSI) – lagoons
River Humber – Spurn Head. and stumps.
Slumping Cliffs – mass movement: Existing Schemes:
• There are frequent slumps (boulder • Schemes in place not susta
Factors Affecting the System:
clay.) • Groynes trap sediment –
Geology:
• Cliffs are tiered – slumps haven’t of beaches protecting
• Chalk (relatively resistant rock) forms a
occurred. increases erosion downd
broad arc from Lincolnshire Wolds to
Spits - deposition: scheme – increased erosio
Flamborough Head.
• Erosion and longshore drift have caused of Mappleton = positive fee
Pre-glacial coastline:
• Coastline has increased – sediment a recurved tip at Spurn Head • Sediment produced from e
Location (& topography): cont. cont.
• Located in East Yorkshire, on the east • deposition (deposited by ice sheets.) • Salt marshes and mudflats
coast Yorkshire. • Sea levels rose at the ned of the last Beaches - deposition:
• Cliffs are made of boulder clay (till.) glacial period – North Sea started to • Wide sand and pebble
• It is 61km long – stretches from erode thick till = present day cliffs. formed near Bridlington –
Flamborough Head to Spurn Head. Wind: winds and waves.
• In sediment cell 2. • Large fetch – wind from north-east.
• Areas of low pressure move down North Challenges:
Background information: Sea – creates storm surges = leads to • Has retreated around 4
• erosion and flooding (1953 – 300 died.) years.
Fastest eroding coastline in Europe.
• It is exposed to powerful destructive • Around 30 villages have be
waves coming from the North Sea. Landscape: • Loss of settlements an
• Soft boulder clay is easily eroded – in Headlands and Wave-Cut Platforms - Skipsea is at risk and
Great Cowden the rate of erosion is over erosion: farmland is lost each year.
10m/yr. • In the north, boulder clay overlies chalk • Loss of infrastructure –
• Boulder clay is prone to slumping. – a headland has formed at Flamborough station 25m from th
• Prevailing winds and longshore drift move Head. (Easington).
material southwards. • Wave-cut platforms have also formed. • Loss of sites of Sp
• Material is deposited where it meets the • Flamborough Head – has arches, stacks Interest (SSSI) – lagoons
River Humber – Spurn Head. and stumps.
Slumping Cliffs – mass movement: Existing Schemes:
• There are frequent slumps (boulder • Schemes in place not susta
Factors Affecting the System:
clay.) • Groynes trap sediment –
Geology:
• Cliffs are tiered – slumps haven’t of beaches protecting
• Chalk (relatively resistant rock) forms a
occurred. increases erosion downd
broad arc from Lincolnshire Wolds to
Spits - deposition: scheme – increased erosio
Flamborough Head.
• Erosion and longshore drift have caused of Mappleton = positive fee
Pre-glacial coastline:
• Coastline has increased – sediment a recurved tip at Spurn Head • Sediment produced from e
