19.3. Factors Affecting Evapotranspiration

Try these first

1. 1.

   What is evapotranspiration?

   Hint

   Think about both evaporation and transpiration.

2. 2.

   List two climatic factors that affect ET.

   Hint

   Consider what weather components influence evaporation.

3. 3.

   What is the primary climatic factor affecting evaporation rates?

   • Humidity
   • Temperature
   • Solar Radiation

   Hint

   Think about the source of heat for water change.

4. 4.

   True or False: Higher leaf area index generally leads to lower rates of transpiration.

   • True
   • False

   Hint

   Consider the amount of leaves present in a plant.

5. 5.

   Evaluate the effect of a 5°C increase in temperature during the growing season on the evapotranspiration rates of a corn crop in a humid climate.

   Hint

   Consider both the relationships between temperature and humidity.

6. 6.

   Propose a comprehensive irrigation and management strategy for a farm situated in an arid region to optimize water conservation and ET.

   Hint

   Think about techniques that retain moisture and efficiently water crops.