Mithila Muthamma PA
Coorg Institute of Technology (CIT), Coorg
Mithila Muthamma PA has created this Calculator and 500+ more calculators!
Chandana P Dev
NSS College of Engineering (NSSCE), Palakkad
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11 Other formulas that you can solve using the same Inputs

Equation for Daily Lake Evaporation
Daily Lake Evaporation =Precipitation+(Daily Surface Inflow-Daily Surface Outflow)+(Daily Groundwater Inflow-Daily Seepage Outflow)-Daily Transpiration Loss-Increase in Lake Storage in a Day Go
Daily Surface Inflow into the Lake
Daily Surface Inflow=Daily Seepage Outflow+Daily Surface Outflow+Daily Lake Evaporation +Increase in Lake Storage in a Day+Daily Transpiration Loss-Precipitation-Daily Groundwater Inflow Go
Water Budget Equation for a catchment considering time interval
Change in Mass Storage=Precipitation-Surface Runoff-Net Ground Water Flowing outside the Catchment-Evaporation from water body (mm/day) -Transpiration Go
consumptive use of water for large areas
Consumptive use of Water for large areas=Total inflow+Precipitation+(Ground Water Storage-Ground Water Storage at the end)-Mass Outflow Go
The W – Index
W-Index=Precipitation-Surface Runoff-Depression and Interception Losses/Time Period of Runoff Go
Runoff when Precipitation is known.
Surface Runoff=Precipitation-Evaporation from water body (mm/day) Go
Precipitation
Precipitation=Surface Runoff+Evaporation from water body (mm/day) Go
Total Runoff over a catchment
Runoff=Surface Runoff+Interflow+Baseflow+Channel Precipitation Go
Precipitation in Rainfall-runoff relationship
Precipitation=Surface Runoff+Runoff Losses Go
Runoff losses in rainfall-runoff relationship
Runoff Losses=Precipitation-Surface Runoff Go
Rainfall-runoff Relationship
Surface Runoff=Precipitation-Runoff Losses Go

5 Other formulas that calculate the same Output

Evaporation from Energy Budget Method
Evaporation from water body (mm/day) =(Net Heat received by the Water Surface-Heat Flux into the Ground-Head stored in Water Body-Net Heat Conducted out system by Water Flow)/(Water Density*Latent Heat of Evaporation*(1+Bowen’s Ratio)) Go
Dalton‘s Law Considering the effect of wind
Evaporation from water body (mm/day) =Constant kl for a given area*(Saturated Vapour Pressure of water-Vapour Pressure of Air)*(Constant 'a' for given Area+Constant 'b' for given Area*Wind Velocity) Go
Rohwer‘s formula
Evaporation from water body (mm/day) =0.771*(1.465-0.00073*Atmospheric Pressure)*(0.44+0.0733*Mean Wind Velocity)*(Saturation Vapour Pressure at Water Surface-Vapour Pressure of Air) Go
Meyer‘s formula
Evaporation from water body (mm/day) =Coefficient accounting for other factors*(Saturation Vapour Pressure at Water Surface-Vapour Pressure of Air)*(1+Mean Wind Velocity/16) Go
Dalton's Law of Evaporation
Evaporation from water body (mm/day) =Proportionality Constant *(Saturated Vapour Pressure of water-Vapour Pressure of Air) Go

Evaporation when Precipitation is known. Formula

Evaporation from water body (mm/day) =Precipitation-Surface Runoff
E=P-S
More formulas
Volume of Rainfall Go
Depth of Rainfall when Volume of Rainfall is given Go
Optimum number of Rain Gauge Stations Go
Dredge or Burge formula Go
Precipitation Go
Runoff when Precipitation is known. Go
Total Runoff over a catchment Go
Statistical approach of PMP by using Chow’s equation Go
Radar Measurement of Rainfall Go
Radar Echo Factor When Intensity is Known Go
Intensity of Rainfall When Radar-Echo Factor is Known Go
Corrected Precipitation at any Time Period at Station 'X' Go
Original Recorded Precipitation when Corrected Precipitation at any Time Period is Given Go
Corrected Slope of the Double-Mass Curve Go
Original Slope of the Double-Mass Curve when Corrected Precipitation is Given Go
Correction Ratio in the Test for Consistency of Record Go

What is Evaporation?

Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.

How to Calculate Evaporation when Precipitation is known.?

Evaporation when Precipitation is known. calculator uses Evaporation from water body (mm/day) =Precipitation-Surface Runoff to calculate the Evaporation from water body (mm/day) , The Evaporation when Precipitation is known. formula is defined by the parameters Precioitation P and Surface runoff. Evaporation from water body (mm/day) and is denoted by E symbol.

How to calculate Evaporation when Precipitation is known. using this online calculator? To use this online calculator for Evaporation when Precipitation is known., enter Precipitation (P) and Surface Runoff (S) and hit the calculate button. Here is how the Evaporation when Precipitation is known. calculation can be explained with given input values -> -95 = 0.005-0.1.

FAQ

What is Evaporation when Precipitation is known.?
The Evaporation when Precipitation is known. formula is defined by the parameters Precioitation P and Surface runoff and is represented as E=P-S or Evaporation from water body (mm/day) =Precipitation-Surface Runoff. Precipitation is the primary water input to the hydrologic cycle and is evaluated for all water budget calculations. and Surface Runoff water, from rain, snowmelt, or other sources, that flows over the land surface, and is a major component of the water cycle. .
How to calculate Evaporation when Precipitation is known.?
The Evaporation when Precipitation is known. formula is defined by the parameters Precioitation P and Surface runoff is calculated using Evaporation from water body (mm/day) =Precipitation-Surface Runoff. To calculate Evaporation when Precipitation is known., you need Precipitation (P) and Surface Runoff (S). With our tool, you need to enter the respective value for Precipitation and Surface Runoff 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 from water body (mm/day) ?
In this formula, Evaporation from water body (mm/day) uses Precipitation and Surface Runoff. We can use 5 other way(s) to calculate the same, which is/are as follows -
  • Evaporation from water body (mm/day) =Proportionality Constant *(Saturated Vapour Pressure of water-Vapour Pressure of Air)
  • Evaporation from water body (mm/day) =Constant kl for a given area*(Saturated Vapour Pressure of water-Vapour Pressure of Air)*(Constant 'a' for given Area+Constant 'b' for given Area*Wind Velocity)
  • Evaporation from water body (mm/day) =Coefficient accounting for other factors*(Saturation Vapour Pressure at Water Surface-Vapour Pressure of Air)*(1+Mean Wind Velocity/16)
  • Evaporation from water body (mm/day) =0.771*(1.465-0.00073*Atmospheric Pressure)*(0.44+0.0733*Mean Wind Velocity)*(Saturation Vapour Pressure at Water Surface-Vapour Pressure of Air)
  • Evaporation from water body (mm/day) =(Net Heat received by the Water Surface-Heat Flux into the Ground-Head stored in Water Body-Net Heat Conducted out system by Water Flow)/(Water Density*Latent Heat of Evaporation*(1+Bowen’s Ratio))
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