Middle Course Features Flashcards
1
Q
What are the middle course landforms and characteristics
A
Lateral erosion, meanders, fastest velocity
2
Q
What is lateral erosion
A
It’s the process by which a river erodes the sides (banks) of its channel, causing the river to widen over time
3
Q
What are meanders
A
A river that is curved
4
Q
What river processes occur in meanders and where
A
Erosion, hydraulic action, abrasion and corrosion occurs in the river cliff, deposition happens on the inside of a meander curve,
5
Q
What is Thalweg
A
Thalweg is the fastest channel of a river
6
Q
In what direction do currents flow in a cross section of a meander
A
Starting from the inside of a cure towards the river cliff and back
7
Q
What is a helicoidal flow
A
A circular flow
8
Q
What is a circular flow called
A
helicoidal flow
