LD - Lecture 4 Flashcards
(9 cards)
1
Q
Erosional Coast
A
Net loss in sediment e.g wave cut platforms
2
Q
Depositional coasts
A
Net gain in sediment e.g spits
3
Q
Drowned Coasts
A
Submergent Coast - created due to a rise in sea level
4
Q
Emergent Coasts
A
Created due to fall in sea level or rise in land mass.
5
Q
Coastal Zone order (5)
A
Backshore - Swash - Surf - Breaker - Offshore
6
Q
Spilling wave (3)
A
Gently sloping, breaks long and slow, lose energy as white water SPILLING
7
Q
Plunging Wave (2)
A
Moderate to steep, crest falls as a curl
8
Q
Surging (2)
A
Long wave period, moderately steep shores
9
Q
What’s a gas hydrate crater?
A
Explosive release of methane into the water column.
