32. Runoff

Try these first

1. 1.

   What is surface runoff?

   Hint

   Think of a heavy rain causing water to flow over the ground.

2. 2.

   What factors can increase surface runoff?

   Hint

   What happens to rain that can't soak into concrete?

3. 3.

   What is surface runoff?

   • Water that sinks into the ground
   • Water flowing over land due to excess rainfall
   • Water stored in the soil

   Hint

   Consider what happens after a heavy rain.

4. 4.

   True or False: Interflow contributes immediately to streamflow.

   • True
   • False

   Hint

   Think about how water moves through soil layers.

5. 5.

   Evaluate how urbanization affects basin yield and runoff characteristics. Provide examples and possible measures to mitigate the impact.

   Hint

   Consider how a city changes natural landscapes.

6. 6.

   Given a basin with varied soil types, how would you approach estimating runoff for each type using the SCS-CN method?

   Hint

   Remember, different soil types have different infiltration capacities.