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Calculate the evaporation from a wet soil with the following information: Wind speed at 7.6 m= 20 km/hr Air temperature = 20°C Wet soil temperature = 15°C Relative humidity = 70%

Calculate the evaporation from a wet soil with the following information: Wind speed at 7.6 m= 20 km/hr Air temperature = 20°C Wet soil temperature = 15°C Relative humidity = 70%

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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### Evaporation Calculation from Wet Soil **Problem Statement:** Calculate the evaporation from a wet soil using the following information: - **Wind speed at 7.6 m (20 km/hr)** - **Air temperature = 20°C** - **Wet soil temperature = 15°C** - **Relative humidity = 70%** **Possible Answers:** 1. \(E = 0.57 \, \text{mm/day}\) 2. \(E = 0.41 \, \text{mm/day}\) 3. \(E = 4.30 \, \text{mm/day}\) 4. \(E = 3.10 \, \text{mm/day}\) _Note:_: Here, 'E' represents the evaporation rate in millimeters per day (mm/day). **Explanation:** To calculate the evaporation rate from the given data, you would typically use a formula that incorporates factors such as wind speed, temperature, and humidity. Models like the Penman-Monteith equation or empirical models based on airflow and temperature gradients can be used for these calculations. - **Wind Speed:** Influences the rate at which moisture is transported away from the surface. - **Air Temperature:** Affects the maximum amount of moisture the air can hold. - **Wet Soil Temperature:** Influences the actual evaporation rate from the soil surface. - **Relative Humidity:** Higher relative humidity means the air is closer to saturation, reducing the evaporation rate. Please use these details in the appropriate evaporation formula to find the correct rate.
Transcribed Image Text:### Evaporation Calculation from Wet Soil **Problem Statement:** Calculate the evaporation from a wet soil using the following information: - **Wind speed at 7.6 m (20 km/hr)** - **Air temperature = 20°C** - **Wet soil temperature = 15°C** - **Relative humidity = 70%** **Possible Answers:** 1. \(E = 0.57 \, \text{mm/day}\) 2. \(E = 0.41 \, \text{mm/day}\) 3. \(E = 4.30 \, \text{mm/day}\) 4. \(E = 3.10 \, \text{mm/day}\) _Note:_: Here, 'E' represents the evaporation rate in millimeters per day (mm/day). **Explanation:** To calculate the evaporation rate from the given data, you would typically use a formula that incorporates factors such as wind speed, temperature, and humidity. Models like the Penman-Monteith equation or empirical models based on airflow and temperature gradients can be used for these calculations. - **Wind Speed:** Influences the rate at which moisture is transported away from the surface. - **Air Temperature:** Affects the maximum amount of moisture the air can hold. - **Wet Soil Temperature:** Influences the actual evaporation rate from the soil surface. - **Relative Humidity:** Higher relative humidity means the air is closer to saturation, reducing the evaporation rate. Please use these details in the appropriate evaporation formula to find the correct rate.
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