The Dorset Coast

Question 1

Rock at Lyme Regis

Answer 1

Soft (clay and shale)

Question 2

Other parts

Answer 2

Hard (limestone and sandstone)

Question 3

Studland Bay and Swanage Bay

Answer 3

Two areas of soft rock that have beaches very close to each other

Question 4

Between Studland Bay and Swanage Bay

Answer 4

A headland (the Foreland) with a stack at the end of it called Old Harry

Question 5

Durdle Door

Answer 5

Arch in headland (made of limestone and sandstone)

Question 6

Lulworth Cove

Answer 6

Bay next to West Lulworth, where the sea eroded the clay surrounded by the limestone that makes up the headland

Question 7

Chesil Beach

Answer 7

Bar joining an island and the mainland forming a lagoon behind it

Question 8

Dorset average annual rainfall (vs UK average)

Answer 8

1050mm (vs 850mm)

Question 9

Rainfall

Answer 9

Increases risk of mass movement as the soil can become saturated

Question 10

Storm Frank (2016) caused

Answer 10

The coastline between West Bay and Burton Bradstock to collapse

Question 11

Temperature

Answer 11

Warm in the summer (>20 degrees C)
Rarely below freezing (rarely freeze thaw weathering)

Question 12

Main cause of weathering

Answer 12

Salt weathering

Question 13

South-westerly winds

Answer 13

Bring stormy conditions from the Atlantic Ocean

Question 14

Strong winds

Answer 14

Big destructive waves, which cause more mass movement

Question 15

Height of sand blown into towns, promenades and gardens by Storm Dennis (2020)

Answer 15

30cm

Question 16

Acid rain

Answer 16

Erodes limestone through erosion by solution

Question 17

Groynes effect on shape of the beach

Answer 17

Wide beaches, which better protect the coastline form erosion and floods

Question 18

Groynes in Dorset

Answer 18

Found in Swanage, made of timber

Question 19

Beach replenishment in Dorset

Answer 19

In 2014, Bridport & Lyme Regis

Question 20

Sea walls pro and con

Answer 20

Pro: Protect promenade from flooding and reduce coastal erosion
Con: Expensive

Question 21

Sea wall in Dorset

Answer 21

Swanage

Question 22

Protecting towns can cause

Answer 22

The impact of erosion to just shift slightly further along the coast

Question 23

Tourism

Answer 23

Can damage the landscape and interfere with geomorphic processes