River Features Key Words Flashcards
Source
The area a river begins
Mouth
The river ends its journey usually into a sea or a lake
Tributary
The smaller river that joins a larger one
Confluence
The point two rivers join
Watershed
The boundary between two drainage basins marked by a ridge of earth
Drainage basin
The are which is drained by a river and its tributaries
Abrassion / corrasion
This is the process by which the bed and banks are worn down bythe river load . The river throws their particles aganst the bed and banks causing the snd paper effect
Atrittion
Material carried by river bump into each other. Eventually the load is brocken down to smaller smoother pieces
Corrasion / solution
This is the chemical reaction is the rivers water slowly dissolving the bed and particles with its weak acids
Hydrolic action
This force involves the force of water against the banks and bed
Evaporation
This is the process where water turns from liquid to vapour
Condensation
This is the process that turns colling vapour to liquid
Precipitation
This is the name of the water that falls on the earth surface eg snow or rain
Transpiration
This is the process where plants and trees release water vapour into the atmosphere from the leaves
Surface runoffs
This is the name given to the water that has sunk in the ground