21 - Evapotranspiration Equations: Penman and Blaney & Criddle Methods
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Practice Questions
Test your understanding with targeted questions
What are the two main components of evapotranspiration?
💡 Hint: Think of how water leaves the soil and plants.
Define Potential Evapotranspiration.
💡 Hint: What happens when there is plenty of water?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does ET stand for?
💡 Hint: It's all about water leaving the soil and plants.
The Blaney & Criddle Method is best used in areas with high climatic variability.
💡 Hint: Reflect on where simple methods work best.
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Challenge Problems
Push your limits with advanced challenges
Calculate the PET using the Penman Method with given values: Rn = 20 MJ/m²/day, Δ = 0.1 kPa/°C, γ = 0.065 kPa/°C, f(u) = 0.5, es = 2.3 kPa, ea = 1.5 kPa.
💡 Hint: Break down the calculations piece by piece for accuracy.
Discuss how the choice between these two methods might change in a region that has seasonal variations in climate.
💡 Hint: Consider the trade-offs between simplicity and accuracy.
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