Coastal Landforms case studies

Question 1

Case study: barrier beach

Answer 1

Chesil beach:
-29km long
-Formed 50,000 years ago
-Lagoon behind

Question 2

Case study: beaches

Answer 2

Swanage bay:
-Drift aligned
-Geology is mostly clay
-between Ballard point and Peveril point

Question 3

Case study: sand dunes

Answer 3

Studland:
-Formed about 500 years ago
-Caused by SWOP

Question 4

Case study: tombolos

Answer 4

Chesil beach:
-29km long
-Formed 50,000 years ago
-connected to Portland

Question 5

Case study: spit

Answer 5

Mudeford sandbank/spit:
-Stanpit marsh is behind it

Question 6

Case study: wave cut platform

Answer 6

Kimmeridge ledges:
-formed by wave cut notch
-comprised of bedrock overlain by quaternary deposits

Question 7

Case study: salt marsh

Answer 7

Stanpit marsh:
-Behind Mudeford spit
-Formed by flocculation, then halophytes settle, and then vegetation succession

Question 8

case study: emergent features

Answer 8

isle of arran, Scotland:
-caused by eustatic fall or isostatic rise
-raised beaches and marine platforms

Question 9

case study: high energy erosional features

Answer 9

-Old Harry rocks
-cave - arch - stack - stump

Question 10

what are rias and what is our ‘rias’ example

Answer 10

-rias are submerged river valleys (eustatic rise)
-submergent feature
-Kingsbridge estuary, Devon

Question 11

what are Dalmatian coast’s and what is our ‘Dalmatian coast’ example

Answer 11

-Series of island ridges parallel to the coastline. These would have been dividing hills of previously parallel river valleys.
-submergent feature
-western coast of Croatia

Question 12

what are fjords and what is our ‘fjords’ example

Answer 12

-fjords are flooded U-shaped valleys (eustatic rise)
-submergent feature
-the west coast of Norway

Question 13

Odisha, cyclones differences

Answer 13

Cyclone odisha:
1999
Strongest ever In Indian Ocean
10000+ deaths

Cyclone amphan:
Had broadcasted warnings
Evacuation
Shelters
Only 118 deaths