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JC Rivers

Analysis of the key terms associated with Rivers

TermDefinition
Source The beginning of a river.
Course Route a river takes.
Confluence The point where two rivers/streams meet.
Tributary A stream/smaller river that flows into a larger stream/river.
Mouth The point where a river comes to an end (usually when entering the sea)
Drainage Basin The area of land drained by a river.
Watershed The edge of highland surrounding the drainage basin, usually separates two drainage basins.
Estuary The part of a river mouth which is tidal.
Deposition A river dropping its load.
Hydraulic Action The force of the moving water wears away the banks and bed of the river.
Abrasion Small stones carried by the river wear away the banks and bed of the river.
Attrition The small stones in the river are worn down and broken up as they hit off each other.
Solution (erosion) Rocks, such as limestone, and soils are dissolved by acid in the water.
Traction The larger stones are rolled along the bed of the river.
Saltation The smaller pebbles are bounced along the bed of the river.
Suspension Light material such as sand and silt float along in the water.
Solution (transportation) Materials dissolve in the water and are carried along by the river.
Created by: llynchACC