Rivers and Coastal Processes Quiz

What is a drainage basin?

• Place where rivers begin

• Flat area near the sea

• Area drained by a river and its tributaries

• A source of underground water

What is a watershed?

• A body of standing water

• A dam on a river

• Boundary between drainage basins

• Place where river meets the sea

Which is an output in the drainage basin system?

• Throughflow

• Surface runoff

• Evaporation

• Infiltration

What is infiltration?

• Water evaporating from leaves

• Water entering the soil

• Water moving on the surface

• Water freezing underground

Which process involves water moving horizontally through soil?

• Percolation

• Infiltration

• Throughflow

• Surface runoff

What is a tributary?

• River that flows into the sea

• Stream joining a larger river

• Man-made channel

• Eroded valley

Which factor increases surface runoff?

• Light rain

• Gentle slope

• Saturated ground

• Sandy soil

What is river discharge?

• Speed of water flow

• Width of the river

• Volume of water flowing per second

• Load of the river

What is the long profile of a river?

• Cross-section of a river valley

• Shape of the river mouth

• Gradient of the river from source to mouth

• Depth of the river

What type of erosion involves water forcing air into cracks?

• Solution

• Abrasion

• Hydraulic action

• Attrition