4. Optional Theme — Freshwater

Runoff And Infiltration — Quiz

Test your understanding of runoff and infiltration with 5 practice questions.

Practice Questions

Question 1

What is the correct general relationship between infiltration and runoff?

Question 2

In a drainage basin, which combination of conditions would most strongly increase overland flow and reduce infiltration during a storm?

Question 3

A drainage basin receives $60$ mm of rainfall in one day. Evapotranspiration accounts for $10$ mm, groundwater recharge is $15$ mm, and the rest leaves the basin as runoff. What is the runoff amount?

Question 4

Which statement best explains why infiltration rates usually decline during a prolonged storm?

Question 5

Which land-use change would most likely increase infiltration and reduce peak discharge in a river basin?