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3 cards from this section. Quick, good the night before a test.
What is the diameter of a Class A evaporation pan?
Refer to the standard specifications for Class A pans.
What is the typical range for the pan coefficient?
Think about adjustments necessary for evaporation measurements.
What is measured using a Class A evaporation pan?
Remember the purpose of evaporation pans.
True or False: The pan coefficient Kp always equals 1.
Consider the adjustments needed in different environments.
A region experiences an average evaporation of 22 mm over a month using a Class A pan with a Kp of 0.75. How much water is estimated to be lost through evapotranspiration? Discuss seasonal variations.
Consider how seasonal weather can impact these readings.
Consider a scenario where two different crops are planted, one with a higher transpiration rate. Discuss how you would adjust the pan coefficients used for accurate ET measurements across different crops.
Reflect on how crop variations affect overall water demand.
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