Fluvial Processes

Lateral erosion results in the....

• deepening of a rivers channel

• shortening of a rivers channel

• widening of a rivers channel

• thinning of a rivers channel

The lower course of the river has...

• mostly erosion landforms

• mostly erosion and deposition landforms

• no landforms

• mostly deposition landforms

Which of the following definitions describes deposition?

• The dumping of bedload being transported in the river

• The gradual wearing away of sediment over time

• The way in which the river picks up sediment and transports it down the river

• The removal of sediment from the river

Which of the following is NOT an erosional process?

• Attrition

• Abrasion

• Saltation

• Hydraulic action

Figure 1 shows...

• Only erosion

• Only erosion and Deposition

• Only Deposition

• Only erosion and transportation

Traction is...

• the 'bouncing' of particles too heavy to be suspended

• large particles rolled on the river bed

• small sediment held in the river

• the movement of tractors alongside the channel

Deposition occurs when there is a decrease in the rivers...

• velocity

• wildlife

• erosion

• landforms

Large rocks are most likely to be deposited in the...

• upper course of the river

• middle course of the river

• lower course of the river

• never

Attrition occurs when...

• the river flows over limestone or chalk

• the river comes to an end

• stones carried by the river knock against each other

• when the load of the river repeatedly hits the bed dislodging particles into the flow of a river

Fluvial processes refers to...

• coastal processes

• river processes

• highland processes

• lowland processes