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2 cards from this section. Quick, good the night before a test.
What does the Hargreaves Method estimate?
Think about what losses occur from the soil and plants.
What key temperature inputs are used in the Hargreaves Method?
These are daily temperature readings.
What is the primary purpose of the Hargreaves Method?
Remember what process it addresses in hydrology.
True or False: The Hargreaves Method requires extensive meteorological data to function accurately.
Think about its application in data-scarce areas.
Consider a scenario where the mean temperature is 22°C, T_max is 30°C, T_min is 14°C, and Ra is 10 MJ/m². Calculate ET using the Hargreaves Method.
Pay close attention to the execution of the square root and multiplications involved.
Discuss the limitations of using the Hargreaves Method in humid climates. What factors may skew the ET predictions?
Consider what excess water does to the plants and evaporation processes.
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