✖The Meyer's constant refers an empirical coefficient in the Meyer evaporation formula, 1.1 for deep water and 1.5 for shallow water.ⓘ Meyer's Constant [C]			+10% -10%
✖Change in vapour pressure refers to the difference between maximum vapour pressure and actual vapour pressure.ⓘ Change in Vapour Pressure [δV]			+10% -10%
✖Mean wind velocity refers to the wind in kilometres per hour at a height of about 9 meters above the ground.ⓘ Mean Wind Velocity [u]			+10% -10%

✖Evaporation loss per month refer to the amount of water that transitions from liquid to vapor and escapes into the atmosphere over a specific time period, typically measured on a monthly basis.ⓘ Evaporation Loss Per Month given Change in Vapour Pressure [E_m]

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Formula

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Evaporation Loss Per Month given Change in Vapour Pressure

Formula

`"E"_{"m"} = "C"*"δV"*(1+("u"/16))`

Example

`"142921.2cm"="0.36"*"0.2cmHg"*(1+("8km/h"/16))`

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Evaporation Loss Per Month given Change in Vapour Pressure Solution

STEP 0: Pre-Calculation Summary

Formula Used

Evaporation Loss per Month = Meyer's Constant*Change in Vapour Pressure*(1+(Mean Wind Velocity/16))
E_m = C*δV*(1+(u/16))
This formula uses 4 Variables

Variables Used

Evaporation Loss per Month - (Measured in Meter) - Evaporation loss per month refer to the amount of water that transitions from liquid to vapor and escapes into the atmosphere over a specific time period, typically measured on a monthly basis.
Meyer's Constant - The Meyer's constant refers an empirical coefficient in the Meyer evaporation formula, 1.1 for deep water and 1.5 for shallow water.
Change in Vapour Pressure - (Measured in Pascal) - Change in vapour pressure refers to the difference between maximum vapour pressure and actual vapour pressure.
Mean Wind Velocity - (Measured in Centimeter per Second) - Mean wind velocity refers to the wind in kilometres per hour at a height of about 9 meters above the ground.

STEP 1: Convert Input(s) to Base Unit

Meyer's Constant: 0.36 --> No Conversion Required
Change in Vapour Pressure: 0.2 Centimeter Mercury (0 °C) --> 266.644 Pascal (Check conversion here)
Mean Wind Velocity: 8 Kilometer per Hour --> 222.222222222222 Centimeter per Second (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

E_m = C*δV*(1+(u/16)) --> 0.36*266.644*(1+(222.222222222222/16))

Evaluating ... ...

E_m = 1429.21184

STEP 3: Convert Result to Output's Unit

1429.21184 Meter -->142921.184 Centimeter (Check conversion here)

FINAL ANSWER

142921.184 ≈ 142921.2 Centimeter <-- Evaporation Loss per Month

(Calculation completed in 00.004 seconds)

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< 17 Evaporation and Transpiration Calculators

Mean Wind Velocity at Ground Level given Evaporation Loss Per Day

Go Mean Wind Velocity = ((Evaporation Loss per Day/(Rohwer's Formula Constant*(1.465-(0.00732*Atmospheric Pressure))*(Maximum Vapour Pressure-Actual Vapour Pressure)))-0.44)/0.0732

Constant used in Rohwer's Formula given Evaporation Loss Per Day

Go Rohwer's Formula Constant = Evaporation Loss per Day/((1.465-(0.00732*Atmospheric Pressure))*(0.44+(0.0732*Mean Wind Velocity))*(Maximum Vapour Pressure-Actual Vapour Pressure))

Maximum Vapour Pressure given Evaporation Loss Per Day

Go Maximum Vapour Pressure = Actual Vapour Pressure+(Evaporation Loss per Day/(Rohwer's Formula Constant*(1.465-(0.00732*Atmospheric Pressure))*(0.44+(0.0732*Mean Wind Velocity))))

Actual Vapour Pressure given Evaporation Loss Per Day

Go Actual Vapour Pressure = Maximum Vapour Pressure-(Evaporation Loss per Day/(Rohwer's Formula Constant*(1.465-(0.00732*Atmospheric Pressure))*(0.44+(0.0732*Mean Wind Velocity))))

Atmospheric Pressure given Evaporation Loss Per Day

Go Atmospheric Pressure = (1.456-(Evaporation Loss per Day/(Rohwer's Formula Constant*(0.44+(0.0732*Mean Wind Velocity))*(Maximum Vapour Pressure-Actual Vapour Pressure))))/0.00732

Evaporation Loss Per Day

Go Evaporation Loss per Day = Rohwer's Formula Constant*(1.465-(0.00732*Atmospheric Pressure))*(0.44+(0.0732*Mean Wind Velocity))*(Maximum Vapour Pressure-Actual Vapour Pressure)

Constant used in Rohwer's Formula given Change in Vapour Pressure

Go Rohwer's Formula Constant = Evaporation Loss per Day/((1.465-(0.00732*Atmospheric Pressure))*(0.44+(0.0732*Mean Wind Velocity))*Change in Vapour Pressure)

Change in Vapour Pressure given Evaporation Loss Per Day

Go Change in Vapour Pressure = Evaporation Loss per Day/(Rohwer's Formula Constant*(1.465-(0.00732*Atmospheric Pressure))*(0.44+(0.0732*Mean Wind Velocity)))

Atmospheric Pressure given Change in Vapour Pressure

Go Atmospheric Pressure = (1.456-(Evaporation Loss per Day/(Rohwer's Formula Constant*(0.44+(0.0732*Mean Wind Velocity))*Change in Vapour Pressure)))/0.00732

Evaporation Loss Per Day given Change in Vapour Pressure

Go Evaporation Loss per Day = Rohwer's Formula Constant*(1.465-(0.00732*Atmospheric Pressure))*(0.44+(0.0732*Mean Wind Velocity))*Change in Vapour Pressure

Monthly Mean Wind Velocity given Evaporation Loss Per Month

Go Mean Wind Velocity = ((Evaporation Loss per Month/(Meyer's Constant*(Maximum Vapour Pressure-Actual Vapour Pressure)))-1)*16

Maximum Vapour Pressure given Evaporation Loss Per Month

Go Maximum Vapour Pressure = Actual Vapour Pressure+(Evaporation Loss per Month/(Meyer's Constant*(1+(Mean Wind Velocity/16))))

Actual Vapour Pressure given Evaporation Loss Per Month

Go Actual Vapour Pressure = Maximum Vapour Pressure-(Evaporation Loss per Month/(Meyer's Constant*(1+(Mean Wind Velocity/16))))

Evaporation Loss Per Month

Go Evaporation Loss per Month = Meyer's Constant*(Maximum Vapour Pressure-Actual Vapour Pressure)*(1+(Mean Wind Velocity/16))

Constant Dependent on Depth of Water Bodies given Change in Vapour Pressure

Go Meyer's Constant = Evaporation Loss per Month/(Change in Vapour Pressure*(1+(Mean Wind Velocity/16)))

Change in Vapour Pressure given Evaporation Loss Per Month

Go Change in Vapour Pressure = Evaporation Loss per Month/(Meyer's Constant*(1+(Mean Wind Velocity/16)))

Evaporation Loss Per Month given Change in Vapour Pressure

Go Evaporation Loss per Month = Meyer's Constant*Change in Vapour Pressure*(1+(Mean Wind Velocity/16))

Evaporation Loss Per Month given Change in Vapour Pressure Formula

Evaporation Loss per Month = Meyer's Constant*Change in Vapour Pressure*(1+(Mean Wind Velocity/16))
E_m = C*δV*(1+(u/16))

What is Evaporation ?

Evaporation is the process by which water changes from a liquid to a gas or vapour. Evaporation is the primary pathway that water moves from the liquid state back into the water cycle as atmospheric water vapour.

How to Calculate Evaporation Loss Per Month given Change in Vapour Pressure?

Evaporation Loss Per Month given Change in Vapour Pressure calculator uses Evaporation Loss per Month = Meyer's Constant*Change in Vapour Pressure*(1+(Mean Wind Velocity/16)) to calculate the Evaporation Loss per Month, The Evaporation Loss Per Month given Change in Vapour Pressure is defined as the total amount of water lost due to evaporation over a month, typically measured in millimeters (mm) or inches. Evaporation Loss per Month is denoted by E_m symbol.

How to calculate Evaporation Loss Per Month given Change in Vapour Pressure using this online calculator? To use this online calculator for Evaporation Loss Per Month given Change in Vapour Pressure, enter Meyer's Constant (C), Change in Vapour Pressure (δV) & Mean Wind Velocity (u) and hit the calculate button. Here is how the Evaporation Loss Per Month given Change in Vapour Pressure calculation can be explained with given input values -> 1.4E+7 = 0.36*266.644*(1+(2.22222222222222/16)).

FAQ

What is Evaporation Loss Per Month given Change in Vapour Pressure?

The Evaporation Loss Per Month given Change in Vapour Pressure is defined as the total amount of water lost due to evaporation over a month, typically measured in millimeters (mm) or inches and is represented as E_m = C*δV*(1+(u/16)) or Evaporation Loss per Month = Meyer's Constant*Change in Vapour Pressure*(1+(Mean Wind Velocity/16)). The Meyer's constant refers an empirical coefficient in the Meyer evaporation formula, 1.1 for deep water and 1.5 for shallow water, Change in vapour pressure refers to the difference between maximum vapour pressure and actual vapour pressure & Mean wind velocity refers to the wind in kilometres per hour at a height of about 9 meters above the ground.

How to calculate Evaporation Loss Per Month given Change in Vapour Pressure?

The Evaporation Loss Per Month given Change in Vapour Pressure is defined as the total amount of water lost due to evaporation over a month, typically measured in millimeters (mm) or inches is calculated using Evaporation Loss per Month = Meyer's Constant*Change in Vapour Pressure*(1+(Mean Wind Velocity/16)). To calculate Evaporation Loss Per Month given Change in Vapour Pressure, you need Meyer's Constant (C), Change in Vapour Pressure (δV) & Mean Wind Velocity (u). With our tool, you need to enter the respective value for Meyer's Constant, Change in Vapour Pressure & Mean Wind Velocity and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Evaporation Loss per Month?

In this formula, Evaporation Loss per Month uses Meyer's Constant, Change in Vapour Pressure & Mean Wind Velocity. We can use 1 other way(s) to calculate the same, which is/are as follows -

Evaporation Loss per Month = Meyer's Constant*(Maximum Vapour Pressure-Actual Vapour Pressure)*(1+(Mean Wind Velocity/16))

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