Coastal landforms Flashcards
1
Q
Define “eustatic change”
A
The sea level rises or falls relative to the land
2
Q
Define “isostatic change”
A
The land rises or falls relative to the sea
3
Q
Define “emergent landform”
A
Landforms created by a fall in sea level, exposing previously drowned land
4
Q
Define “submergent landform”
A
Landforms created by a rise in sea level, flooding existing features
5
Q
Explain the formation of a raised beach
A
- The land rises due to isostatic change
- Former shoreline (wave-cut) platforms rise above the current sea level
6
Q
Explain the formation of relic (fossil) cliffs
A
Formed from eroded cliff lines which are found behind the raised beach
7
Q
Explain the formation of a Ria
A
Valleys in a dissected upland area are flooded
8
Q
Explain the formation of a Dalmation coastline
A
Rivers flow parallel to the coast
9
Q
Explain the formation of a fjord
A
Deep U-shape valleys are flooded by glacial melt
