19.4. Potential and Actual Evapotranspiration

Try these first

1. 1.

   What does Potential Evapotranspiration (PET) represent?

   Hint

   Think about ideal conditions for plants.

2. 2.

   How is Actual Evapotranspiration (AET) different from PET?

   Hint

   Consider how real-life conditions affect water availability.

3. 3.

   What does Potential Evapotranspiration (PET) measure?

   • Only evaporation
   • Maximum possible ET under ideal conditions
   • Only transpiration

   Hint

   Think about maximum potential water loss.

4. 4.

   True or False: Actual Evapotranspiration (AET) is always higher than PET.

   • True
   • False

   Hint

   Consider what factors affect real life operations.

5. 5.

   Calculate AET if PET is 6 inches, and due to a drought, the AET is reduced by 40%. What is the AET?

   Hint

   Utilize percentages to determine reductions from PET.

6. 6.

   Discuss how changes in local climate conditions could affect both AET and PET in a specific agricultural region. Provide examples.

   Hint

   Consider the direct impact of weather conditions.