Rivers Flashcards
What is the Course ?
The route the river takes as it flows into the sea.
What is the source
The staring point of the river.
What is the tributary?
When a smaller river joins a bigger river
What is the Confluence
The point where the tributary joins the river
What is the Mouth ?
Where the river enters the sea.
What is the Estuary ?
The part of the river mouth that is tidal
What is the river basin?
The area of land that is drained by a river mouth that is tidal
What is the watershed?
The high ground that separates one river basin from another.
What is Hydraulic Action.
The force of the moving water breaks material from the banks and beds of the river.
What is the abrasion
The material carried along by the river hits it’s bank and bed,wearing them away.
What is the attrition
The material is worn down,smoothed and. Rounded as the particles bounce off each other.
What is the solution
Acids on the water dissolve some rocks such as limestone
Name the three stages of a river?
youthful stage, mature stage, old stage
River erosion
- hydraulic action
- abrasion
- attrition
- solution
Name 2 feature of a youthful river
Interlocking spurs, water fall
