Sea Level Change Influences the Coastline Over Time (Edexcel A-Level Geography): Flashcards
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Eustatic change
Eustatic change
Change in sea level
Isostatic change
Isostatic change
Change in land level (linked to ice on land)
Cause of eustatic rise
Cause of eustatic rise
Melting ice adds more water to sea
Isostatic rebound
Isostatic rebound
Land rises when glacier weight removed
Raised beach
Raised beach
Former beach now above high tideline
Fossil cliffs
Fossil cliffs
Cliffs no longer eroded, isolated from sea
Ria characteristics
Ria characteristics
Drowned river valley, widest & deepest at sea
Fjord characteristics
Fjord characteristics
Straight drowned glaciated valley, very deep w/ steep sides
Dalmatian coasts
Dalmatian coasts
Concordant coasts w/ long bays & parallel hilly islands
Arctic coast impact from global warming
Arctic coast impact from global warming
Wave heights increase as sea ice disappears, accelerating erosion