Coastal Landforms Flashcards
0
Q
Mass movement
A
Rock fall
Slumping
Rotational slip
1
Q
Weathering/sub-aerial processes
A
Salt crystal growth Carbonisation Freeze thaw Hydration Wetting & drying
2
Q
Marine processes
A
Hydraulic action Corrosion Abrasion Attrition Cavitation Hydraulic action
3
Q
Constructive waves
A
Low levels of energy
Long wave-length, low wave height
Occur on steep beaches (shingle) around 17 degrees
Burma are formed on beach
4
Q
Destructive wave
A
High levels of energy
Short wave-length, high wave height
Shallow beaches (sand) 2 degrees
Scours are formed where waves break
5
Q
Long shore drift (LSD)
A
Swash carries material up the beach at an angle
Backwash carries material directly down the beach
Repeat
6
Q
Concordant coastline
A
Geology runs parallel to the wave direction
7
Q
Landforms
A
Spits
Barrs
Tombolos
8
Q
Succession of a psammosere
A
Embryo dune Fore dune Yellow dune Grey dune Heath/woodland
9
Q
What’s at Poole harbour
A
Oil drilling
Water sports
Wildlife sanctuaries