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Rivers
1st Year
Term | Definition |
---|---|
Erosion | wearing away of landscape |
Hydraulic Action | force of moving water breaks off material from banks and bed of river |
Transportation | moving or carrying of the Rivers Load |
Deposition | Dropping of Rivers Load |
Course | the route the river takes to the sea |
watershed | the high ground that separates one river basin from another |
Estuary | part of river mouth that is tidal |
Youthful River | Upper Stage |
Mature River | Middle Stage |
Old River | Lower Stage |
Attrition | material is worn down as particles bounce off each other |
Solution | acids in water dissolve rocks |
Features of Youthful River | Waterfall, Interlocking Spurs, V Shaped Valley |
Vertical Erosion | Cutting down into riverbed |
Interlocking Spurs | series of ridges that jut out from both sides of a young river valley |