Terrain water transpiration factor (Water Overlay): Difference between revisions
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* Groundwater level reduction is inversely proportional to the [[terrain water storage percentage (Water Overlay)|WATER_STORAGE_PERCENTAGE]]. | * Groundwater level reduction is inversely proportional to the [[terrain water storage percentage (Water Overlay)|WATER_STORAGE_PERCENTAGE]]. | ||
* Transpiration is zero when no building is present and the terrain's WATER_TRANSPIRATION_FACTOR is 0. | * Transpiration is zero when no building is present and the terrain's WATER_TRANSPIRATION_FACTOR is 0. | ||
* Can be configured as a [[Season formula (Water Overlay)|seasonal factor]], represented by an array of four values, one for each [[Season formula (Water Overlay)| | * Can be configured as a [[Season formula (Water Overlay)|seasonal factor]], represented by an array of four values, one for each [[Season formula (Water Overlay)|season]]. This allows for more evaporation during a crops growth season and less during the winter. | ||
|howtos= | |howtos= | ||
* [[How to add and remove an Attribute]] | * [[How to add and remove an Attribute]] | ||
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* [[Ground model (Water Overlay)]] | * [[Ground model (Water Overlay)]] | ||
* [[Evapotranspiration model (Water Overlay)]] | * [[Evapotranspiration model (Water Overlay)]] | ||
|api= | |||
* [[Api session event editor terraintype set attribute]] | |||
}} | }} | ||
{{WaterOverlay terrain attribute nav}} | {{WaterOverlay terrain attribute nav}} | ||
Latest revision as of 07:31, 15 October 2026
| Icon | Attribute | Unit | Layer | Range | Description |
|---|---|---|---|---|---|
 |
WATER_TRANSPIRATION_FACTOR | factor | Surface | How fast this terrain can evaporate water from the ground. The weather's evaporation speed is multiplied by this factor to determine the rate of transpiration. |
Like buildings configured as crops and foliage, terrains representing plants can use plant-related attributes to draw and evaporate groundwater.
Notes
- For plants to evaporate water, both the ROOT_DEPTH_M and the WATER_TRANSPIRATION_FACTOR must be appropriately configured.
- When a Building is present in any given location, the values for evaporation in the ground will overrule any values set by terrain in the same location. To model ground evaporation without a Building, set the attributes of the Building on the applicable terrain type instead.
- Groundwater level reduction is inversely proportional to the WATER_STORAGE_PERCENTAGE.
- Transpiration is zero when no building is present and the terrain's WATER_TRANSPIRATION_FACTOR is 0.
- Can be configured as a seasonal factor, represented by an array of four values, one for each season. This allows for more evaporation during a crops growth season and less during the winter.
How-to's
See also
- Water transpiration factor (Water Overlay)
- Groundwater level formula (Water Overlay)
- Ground transpiration formula (Water Overlay)
- Season formula (Water Overlay)
- Ground model (Water Overlay)
- Evapotranspiration model (Water Overlay)
API Endpoints
- Group
- Terrain attributes