Coastal Management-Techniques 1.0 / 5 based on 1 rating ? GeographyCoastal environmentsASOCR Created by: Abbie RobertsCreated on: 08-05-13 20:41 Sea Walls HARD ENGINEERING; May be curved (hydrodynamic), straight or steeped reinforced concrete structures to resist wave power. 1 of 12 Groynes HARD ENGINEERING; May be wooden or concrete structures designed to break waves and slow down longshore drift. 2 of 12 Cliff drainage HARD ENGINEERING; Piped drainage in cliffs to assist with rock drainage, preventing landslides. 3 of 12 Rock armour (rip-rap) HARD ENGINEERING; Large rocks placed along the beach, usually under sea walls to absorb wave energy. 4 of 12 Gabions HARD ENGINEERING; Steel mesh cages filled with small rocks. 5 of 12 Revetments HARD ENGINEERING; Wooden or concrete structures designed to absorb the wave energy but still allow the flow of sediment. 6 of 12 Offshore bars HARD ENGINEERING; Rows of boulders built up offshore to break waves before they reach the beach. 7 of 12 Beach replenishment SOFT ENGINEERING; Pumping sand or shingle back onto the beach and replace eroded material. 8 of 12 Beach reprofiling SOFT ENGINEERING; Changing the shape of the beach so that it absorbs more energy and reduces erosion. 9 of 12 Fencing/Hedging SOFT ENGINEERING; Preserves the beach by reducing the amount of sand being blown inland. 10 of 12 Replanting vegetation SOFT ENGINEERING; Planting grasses or salt-resistant plants to help stabilize low-lying areas eg, slumped cliffs, and prevent landslides. 11 of 12 Beach recycling SOFT ENGINEERING; Moving material from one end of a beach to the other, in order to counteract longshore drift. 12 of 12
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