Coasts

Question 1

How are Wave sizes determined?

Answer 1

Wind Speed
Length of time
Fetch

Question 2

What are Destructive Waves?

Answer 2

Tall
Frequent
Weak Swash
Strong Backwash

Question 3

What are Constructive Waves?

Answer 3

Short
Less Frequent
Long Wave Length
Weak Backwash
Cause Deposition

Question 4

What is Swash?

Answer 4

Waves travelling up the beach

Question 5

What is Backwash?

Answer 5

Waves travelling down the beach

Question 6

What is Erosion?

Answer 6

The breaking down of rock

Question 7

What is Abrasion?

Answer 7

Rocks scraping against each other

Question 8

What is Attrition?

Answer 8

Rocks colliding and breaking up

Question 9

What is Hydraulic Action?

Answer 9

Power of the water breaking up the rocks

Question 10

What is Solution?

Answer 10

Rocks dissolving in the water

Question 11

What is Transportation?

Answer 11

Material being moved along the coast

Question 12

What is Saltation?

Answer 12

Rocks bouncing

Question 13

What is Suspension?

Answer 13

Sediment being held up in the sea

Question 14

What is Traction?

Answer 14

Rocks rolling on the sea bed

Question 15

Examples of Mass Movement

Answer 15

Slump
Slip
Rockfall

Question 16

Formation of a Headland + Bay - 1

- Concordant -

Answer 16

A length of coastline made up of one type of rock

Question 17

Formation of a Headland + Bay - 2

- Discordant -

Answer 17

A stretch of coastline made up of altering types of rock

Erosion rates vary causing the formation of Bays + Headlands

Question 18

• Formation of a Wave-Cut Platform -
  1. Waves ___ the base of a cliff.
  2. A wave cut ___ is formed by ___ action and ___.
  3. Over time the ___ gets bigger.
  4. The cliff above the ___ _____ leaving behind a wave cut ___.
  5. This process ___ and the platform grows in length.

Answer 18

Attack
Notch
Hyrdaulic
Abrasion
Notch
Notch
Collapses
Platform
Repeats

Question 19

Case Study - Maldives -

How many people from how many islands affected by sea level rise?

Answer 19

1190 islands

350,000 people

Question 20

Case Study - Maldives -

What percentage of land area under 1m?

Answer 20

80%

Question 21

Case Study - Maldives -

How frequent does flooding occur?

Answer 21

Annually

Question 22

Case Study - Maldives -

What are the effects of the flooding?

Answer 22

Fresh water shortages

Tourist industry under threat

Question 23

Case Study - Maldives -

What are the responses to the flooding?

Answer 23

Japan donated £60, to build a sea wall around the capital

Question 24

Landforms linked to Long Shore Drift -

What is a Spit?

Answer 24

Formed when sediment is deposited behind a sheltered headland

Question 25

Landforms linked to Long Shore Drift - | What is a Bar?

Answer 25

Formed when deposition joins together two headlands

Question 26

Coastal Communities around the world - | The ______ has 28 million at risk.

Answer 26

The Carribean

Question 27

Coastal Communities around the world - | The Indian Ocean and the Maldives have _ million at risk.

Answer 27

4 Million

Question 28

Coastal Communities around the world - | The ______ has 20 million at risk.

Answer 28

The Pacific