River Capture and Rejuvenation

Define river capture

River capture is also known as

A captured river is called

• Misfit

• Upperfit

• Beheaded

• Pirate river

The capturing river is called the

The point where the river capture has taken place is called the

The dry valley remaining at the beheaded point of former misfit is called a

Which of the following statements are false in the conditions necessary for a river capture to take place

• A pirate river and the misfit must flow in adjacent valleys

• The pirate river should have a narrower valley than the misfit

• The pirate river must have less active headward erosion than the neighbouring river

• The pirate river ought to be flowing at a lower level

Define river rejuvenation

Rejuvenation caused by changes in the base level of a river is called

Rejuvenation caused by the increase of a river discharge (water flow)