Geography AS Rivers 0.0 / 5 ? GeographyCoastal environmentsASAQA Created by: scarlet parrCreated on: 11-05-17 12:10 What Soft engineering has been done at Tilsbury? a sea wall was breached and over 21 hectres of farmnland was flooded and a marsh was created and a new lower wall was built 1 of 14 What soft engineering has been done at Mercy Island Beach nourishment was carried out 2 of 14 What soft engineering has been done at Oapland In 1995 a sea wall was breached and 40 hectres of land was allowed to flood and a new lower wall was built 3 of 14 What soft engineering has been done at greys crete Marsh stabilisation was carried out by planting steak and brushwood along the water line to encourage sediment to build up. 4 of 14 What hard engineering is there at bridlington? a 4.7km long sea wall and groynes 5 of 14 What hard engineering is there at hornsea and Withernsea? Sea wall, groynes and rip rap 6 of 14 what hard engineering is there at easington gas terminal revetment 7 of 14 what hard engineering is there at mappleton caravan park gabions 8 of 14 what hard engineering is there at east spurn head? riprap and gryones 9 of 14 what hard engineering is there at mappleton? a 500m long sea wall and 2 rock groynes costing £2 million 10 of 14 Advantages of a sea wall -act as a tourist attraction, protect the coastline from erosion, protect the coastline from flooding 11 of 14 disadvantages of sea walls - expensive to build and maintain, can be obstructive not look good in the environment 12 of 14 advantages of groynes widen beaching to reduce erosion, trap sediment to reduce long shore drift 13 of 14 disadvantages of gryones look ugly, deprive beaches further down so increase erosion 14 of 14
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