Surface evaporation formula (Water Overlay): Difference between revisions
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where: | where: | ||
* Δh = The amount of evaporation which takes place. | * Δh = The amount of evaporation which takes place. | ||
* Δt = Computational timestep. | * Δt = Computational [[Timestep formula (Water Overlay)|timestep]] in seconds. | ||
* h = The amount of water on the surface. Also known as the water column. | * h = The amount of water on the surface. Also known as the water column. | ||
* E<sub>w</sub> = The [[Evaporation_m_(Water_Overlay)|evaporation rate]] of the [[weather]]. | * E<sub>w</sub> = The [[Evaporation_m_(Water_Overlay)|evaporation rate]] of the [[weather]]. | ||
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The following topics are related to this formula. | The following topics are related to this formula. | ||
; Formulas | ; Formulas | ||
: [[Surface water level formula (Water Overlay)] | : [[Surface water level formula (Water Overlay)]] | ||
; Models | ; Models | ||
: [[Surface model (Water Overlay)]] | : [[Surface model (Water Overlay)]] | ||
: [[ | : [[Evapotranspiration model (Water Overlay)]] | ||
{{WaterOverlay formula nav}} | {{WaterOverlay formula nav}} | ||
Latest revision as of 13:41, 16 July 2025
Surface evaporation is calculated per cell.
- Δh = min( h , Δt * Ew * Eo )
where:
- Δh = The amount of evaporation which takes place.
- Δt = Computational timestep in seconds.
- h = The amount of water on the surface. Also known as the water column.
- Ew = The evaporation rate of the weather.
- Eo = The SURFACE_WATER_EVAPORATION_FACTOR of the Water Overlay.
Related
The following topics are related to this formula.
- Formulas
- Surface water level formula (Water Overlay)
- Models
- Surface model (Water Overlay)
- Evapotranspiration model (Water Overlay)
- Models
- Surface • Ground • Rain • Evapotranspiration • Infiltration • Elevation • Breach • Sewer • Storage • Tracer flow • Border • Order
- Model formulas
- Timestep • Season • Surface water level • Groundwater level
- Flow formulas
- Surface flow • Surface infiltration • Ground flow • Ground infiltration • Surface evaporation • Ground evaporation • Ground bottom flow
- Hydraulic structure formulas
- Culvert • Weir • Breach growth • Breach flow • Pump • Sewer Overflow • Inlet • Drainage
- Related