Rivers Flashcards
Bank
The land alongside or sloping down to a river or lake
Bed load
The sediment transported by a river in the form of particles too heavy to be in suspension
Channel flow
Downhill movement of water in rivers
Wetted perimeter
Bank + bed
Transportation
The movement of materials by a river
Erosion
The wearing away of the wetted perimeter
Drainage basin
The part of land where the water is drained into a certain river.
Source
The top of the river
Confluence
Where the stream meets the river, bigger than a tributary.
Watershed
An area or ridge of land that separates waters flowing to different rivers, basins, or seas.
Mouth
Where the river meets the sea.
Tributary
Where streams meet other streams.
Attrition
Boulders and stones carried along the river bed collide and break into smaller pieces.
Hydraulic action
The force of the river dislodges material from the river bed.
Corrasion
Smaller material rubs against the river bank.