Coast - Holderness case study

Where is the Holderness coast located?

East Yorkshire, North East England.

What problems are the shoreline facing (3)?

- 2m of erosion every year (2 million tonnes of cliff) being
- Soft clay cliffs are easily eroded, especially when saturated.
- Prevailing wind from the north sea has a fetch of 400 miles

What is the priority of the shoreline management plan (2)?

- Protect the key settlements of Bridlington
- Protect coastal road at mapleton

What two features make Mapleton worth protecting (1)?

- 50 properties and the main coast road was only 50 meters from the ocean.

What has been done to protect Mappleton (4)?

- 1991 Protect Mapleton
- £2 million spent on hard engineering
- Beach is being accumulated between groynes.
- Groynes , a raised sea wall, steel doors to the beach and planting vegetation on the sand dunes.

What problem has protect Mappleton caused (2)?

- 1 km to the north coastal erosion is occurring at 1.2 meters per year.
- 1km to the south coastal erosion is occurring at 2.7 meters per year.
- Caused scour at Mappleton and increased cliff foot erosion south of the groynes.

How many villages have fallen into the sea since Roman times?

29

What is the Holderness sediment cell?

a 50km stretch of coastline with Flamborough Head to the Humber Estuary.