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Ellie Beaumont
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The Holderness Coast is Europe's fastest eroding coastline, with erosion rates up to 2m per year. This case study examines the contrasting coastal management strategies at Hornsea and Flamborough Head, highlighting the impact of geology, erosion processes, and human interventions on coastal landscapes.
1/13/2023
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The Holderness Coast, located on England's East coast in sediment cell 2, is renowned as Europe's fastest eroding coastline, with erosion rates reaching up to 2 meters per year. This case study explores the factors contributing to rapid erosion and contrasts the coastal management strategies employed at two key locations: Hornsea and Flamborough Head.
Prevailing Winds: Strong prevailing winds create longshore drift, moving sediment southward along the coastline.
Geology: The cliffs are composed of soft boulder clay, which erodes rapidly when saturated.
Vocabulary: Longshore drift refers to the movement of beach material along the coast by wave action.
At Hornsea, the Shoreline Management Plan (SMP) adopts a "Hold the line" approach due to the area's vulnerability to erosion.
Definition: The Shoreline Management Plan (SMP) is a large-scale assessment of the risks associated with coastal processes that aims to reduce these risks to people and the developed, historic, and natural environments.
The area's geology, consisting of boulder clay and glacial tills, is less resistant to erosion. This has led to evidence of slumping due to saturated material, posing risks to nearby caravan parks.
Example: Slumping at Hornsea puts caravan parks at risk of falling into the ocean, demonstrating the immediate impact of coastal erosion on local infrastructure.
In contrast to Hornsea, Flamborough Head's SMP is "Do Nothing" due to its more resistant chalk geology.
Despite less erosion, Flamborough Head showcases distinct coastal features formed through various erosional processes:
Highlight: The contrast between Hornsea and Flamborough Head illustrates how geology significantly influences both erosion rates and coastal management strategies.
The formation of these features is attributed to:
Spurn Point serves as tangible evidence of longshore drift along the Holderness Coast, forming an excellent example of a spit.
Vocabulary: A spit is a depositional landform formed when a finger of sand extends from the shore out to sea, often at the mouth of a river or inlet.
Approximately 3% of the material eroded from the Holderness Coast is deposited at Spurn Point annually, highlighting the significant sediment transport along this coastline.
Spurn Point plays a crucial role in protecting the Humber estuary, which lies behind the spit, demonstrating the natural coastal defence mechanisms at work.
This case study of the Holderness Coast provides valuable insights into the complex interplay between geological factors, erosional processes, and human interventions in shaping and managing coastal landscapes. It underscores the importance of tailored coastal management strategies that consider local geological conditions and erosion rates.
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Ellie Beaumont
@elliebeaumont03
·
45 Followers
Follow
The Holderness Coast is Europe's fastest eroding coastline, with erosion rates up to 2m per year. This case study examines the contrasting coastal management strategies at Hornsea and Flamborough Head, highlighting the impact of geology, erosion processes, and human interventions on coastal landscapes.
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The Holderness Coast, located on England's East coast in sediment cell 2, is renowned as Europe's fastest eroding coastline, with erosion rates reaching up to 2 meters per year. This case study explores the factors contributing to rapid erosion and contrasts the coastal management strategies employed at two key locations: Hornsea and Flamborough Head.
Prevailing Winds: Strong prevailing winds create longshore drift, moving sediment southward along the coastline.
Geology: The cliffs are composed of soft boulder clay, which erodes rapidly when saturated.
Vocabulary: Longshore drift refers to the movement of beach material along the coast by wave action.
At Hornsea, the Shoreline Management Plan (SMP) adopts a "Hold the line" approach due to the area's vulnerability to erosion.
Definition: The Shoreline Management Plan (SMP) is a large-scale assessment of the risks associated with coastal processes that aims to reduce these risks to people and the developed, historic, and natural environments.
The area's geology, consisting of boulder clay and glacial tills, is less resistant to erosion. This has led to evidence of slumping due to saturated material, posing risks to nearby caravan parks.
Example: Slumping at Hornsea puts caravan parks at risk of falling into the ocean, demonstrating the immediate impact of coastal erosion on local infrastructure.
In contrast to Hornsea, Flamborough Head's SMP is "Do Nothing" due to its more resistant chalk geology.
Despite less erosion, Flamborough Head showcases distinct coastal features formed through various erosional processes:
Highlight: The contrast between Hornsea and Flamborough Head illustrates how geology significantly influences both erosion rates and coastal management strategies.
The formation of these features is attributed to:
Spurn Point serves as tangible evidence of longshore drift along the Holderness Coast, forming an excellent example of a spit.
Vocabulary: A spit is a depositional landform formed when a finger of sand extends from the shore out to sea, often at the mouth of a river or inlet.
Approximately 3% of the material eroded from the Holderness Coast is deposited at Spurn Point annually, highlighting the significant sediment transport along this coastline.
Spurn Point plays a crucial role in protecting the Humber estuary, which lies behind the spit, demonstrating the natural coastal defence mechanisms at work.
This case study of the Holderness Coast provides valuable insights into the complex interplay between geological factors, erosional processes, and human interventions in shaping and managing coastal landscapes. It underscores the importance of tailored coastal management strategies that consider local geological conditions and erosion rates.
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Average App Rating
Students use Knowunity
In Education App Charts in 12 Countries
Students uploaded study notes
iOS User
Stefan S, iOS User
SuSSan, iOS User
