River & The Landscape Chap 4 Flashcards
(25 cards)
Abrasion
The erodes pieces of rock - the load - erodes the river bed & bank
The route a river takes
Course
Mature river:
Wider valley troughs
Meanders
A small river that joins a larger one
Tributary
The place a river enters the sea
Mouth
Where a river mouth is tidal
Estuary
Mouth
The place a river enters the sea
The area which is drained by a river and its tributaries
River basin
Solution
River water dissolves rock particles like limestone
Tributary
A small river that joins a larger one
The rate of erosion depends on:
The size of the river
The speed of the river
The hardness of the rock
Source
Where a river begins
Solution
Dissolved minerals
Traction
Rolling along the riverbed
Watershed
The high ground which separates 2 river basins
Suspension
Floating in the water
Old rivers:
Ox-bow lakes
Flood plains
Levees
Deltas
Where a river begins
Source
Youthful river:
V-shaped valleys
Interlocking Spurs
Potholes
Waterfalls
Saltation
Bouncing
River basin
The area which is drained by a river and its tributaries
Course
The route the river takes
Estuary
Where a river mouth is tidal
Hydraulic action
The force of the moving water erodes pieces of rock off the river banks & bed