Sea level landforms

Question 1

What are submergent coastlines?

Answer 1

Areas of the coast which have fallen below the present sea level

Question 2

What are emergent coastlines?

Answer 2

Areas of the coast which have risen above the present sea level

Question 2

What are rias?

Answer 2

Submerged river valleys

Question 3

How are rias formed?

Answer 3

The lowest part of the river’s course and the floodplains alongside the river may be completely drowned but the higher land remains exposed

Question 3

Give examples of a ria?

Answer 3

Kingsbridge, Devon, UK
Sydney, Australia

Question 4

What are fjords?

Answer 4

Submerged glacial valleys

Question 5

How are fjords formed?

Answer 5

When rising sea levels flood deep glacial valleys to create natural inlets and harbours​ (water reaches up to 1000m deep)

Question 6

Give an example of a fjord?

Answer 6

Hardangerfjord, Norway

Question 6

What is a Dalmatian coastline?

Answer 6

Valleys running parallel to the coast become flooded as a result of sea level change. This leaves a ​series of narrow, long and rugged islands

Question 7

Give an example of a Dalmatian coastline?

Answer 7

Dalmatian Coast, Croatia

Question 8

How is a raised beach formed?

Answer 8

• wave quarrying and corrasion undercut the cliff = wave cut notch
• erosion continues = wave cut platform
• overtime, abandoned wave cut notch with rounded stones gets removed by waves
• as weight is lifted, land is uplifted
• overtime creates a raised beach

Question 9

Give an example of a raised beach?

Answer 9

King’s Cave, Isle of Arran, Scotland