Soft Engineering

Question 1

Beach nourishment

Answer 1

involves adding sand and shingle to beaches in order to make waves break sooner.

BUT one strong storm can ruin the beach still, so potentially a waste of money.

Question 2

Dune regeneration

Answer 2

Planting plants like marram grass that bind sand together.

Salt and submergence tolerant plants.

Natural barrier.

Question 3

Marsh creation

Answer 3

planting plants like marram grass and glasswort.

making a marshland to dissipate energy of waves.

Question 4

Land use management

Answer 4

creation of boardwalks over things like marshlands and sand dunes so as to not disturb them.

Question 5

Disadvantages of groynes

Answer 5

starve down-drift beaches of sand.

Thinner beaches dont protect the coast.

Question 6

Disadvantage of Revetment

Answer 6

Expensive to build, relatively cheap to maintain

create a strong backwash which erodes under the wall.

Question 7

Disadvantage of sea wall

Answer 7

Expensive to build and maintain

creates a strong backwash which erodes under the wall.