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Determining Evaporation Methods in Hydrology

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Determining Evaporation Methods in Hydrology

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Questions and Answers

What is the purpose of Rohwer's formula?

To calculate the daily lake evaporation (correct)

To calculate the mean wind velocity

To calculate the increase in lake storage

To calculate the mean barometric reading

Which of the following is not a variable in Rohwer's formula?

Actual vapor pressure (ea) (correct)

Saturation vapor pressure (ew)

Mean barometric reading (pa)

Mean wind velocity (u0)

What is the purpose of the Water-Budget Method for estimating evaporation?

To calculate the mean wind velocity

To calculate the daily lake evaporation

To calculate the mean barometric reading

To calculate the increase in lake storage (correct)

Which of the following is not a component of the Water-Budget Method equation?

Daily surface inflow (Vis) Signup and view all the answers

What is the primary purpose of reducing the surface area of a water body?

To reduce the daily lake evaporation Signup and view all the answers

Which of the following is not a method for reducing evaporation losses from a water body?

Increasing the mean wind velocity Signup and view all the answers

What is the primary advantage of using a mechanical cover to reduce evaporation?

It can be applied to larger water bodies Signup and view all the answers

Which of the following evaporation estimation methods is based on the energy balance of the water body?

Energy-Balance Method Signup and view all the answers

What is the primary advantage of using a chemical film to reduce evaporation?

It can be applied to larger water bodies Signup and view all the answers

Which of the following evaporation estimation methods is based on the mass transfer of water vapor from the water body?

Mass-Transfer Method Signup and view all the answers