Drainage Basins and 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

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

• velocity

• wildlife

• erosion

• landforms

Vertical, Lateral and Headward are types of erosion in a river channel

• True

• False

Water in a drainage basin comes directly from ________________

• surface run-off

• rainfall

• stream flow

• sheet flow

The area at 3, above the water table, is known as the (saturated/unsaturated zone).

• unsaturated zone

• saturated zone

• ground water

• lake

The water found in the aquifer at 2 is part of ______________ flow.

• above

• under

• surface

• through

The ________________ is the area where a river system and stream network is located.

• river

• meander

• drainage

• source

A/An ___________________ river that is deeper than its water table

• episodic

• permanent

• periodic

• exotic

An/A _______________ is the high lying land found between tributaries.

• interfluve

• watershed

• confluence

• mouth