click below
click below
Normal Size Small Size show me how
Deltas
Term | Definition |
---|---|
Marine | River flows into the sea e.g River Bandon |
Lacustrine | Flows into a lake e.g Glendalough |
Flocculation | Freshwater mixes with saltwater, sediment absorbs the, salt clumps material together and sinks |
Topset bed | Heaviest sediment layer |
Foreset bed | Medium grained sediment layer |
Bottomset bed | Finest sediment layer on top |
Distrubutaries | An outflowing branch of a stream or river, |
Arcuate Delta | Fan-shaped Dendritic (tree branch) drainage Course material e.g Nile, Egypt |
Bird's Foot Delta | Birds claw shape Ocean waves are weaker than river flow e.g Mississippi, USA |
Cuspate Delta | Pointed-tooth shape Strong waves along a straight coastline e.g Tiber, Italy |