Sediment cells Flashcards
1
Q
Purpose of sediment cells
A
Sorting, transportation, deposition of sediment
2
Q
Definition of sediment cell
A
Closed system of inputs, processes, outputs which theoretically doesn’t affect other sediment cells
3
Q
Main characteristics
A
Discreet and function separately
Geographically bounded as disruptions along coastline
Sediment is transferred within a cell
4
Q
Human interference
A
Disrupt sediment budget
Coastal defences
5
Q
Inputs
A
Cliff erosion Fluvial sediment Depositional landform erosion Beach replenishment Offshore sediment bars Erosion of wave cut platforms
6
Q
Processes
A
LSD
Currents (waves)
Saltation
7
Q
Sinks
A
Permanent
Temporary
8
Q
Permanent sinks
A
Estuary
Submarine canyon
Offshore bar/bank
Dredging
9
Q
Temporary sinks
A
Sedimentary features
Eg. beaches, dunes, spits