Terrain water evaporation factor (Water Overlay): Difference between revisions

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{{terrain attributes|suppresscategory=true|<onlyinclude>
{{:water evaporation factor (Terrain Attribute)}}</onlyinclude>
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{| class="wikitable"
[[Terrain]]s can be configured with plant-related attributes, similar to [[Building]]s configured as [[Water evaporation factor (Water Overlay)|crops and foliage]], allowing it to draw water from the [[Ground model (Water Overlay)|ground]] and evaporate it.
! Attribute
 
! Unit
{{article end
! Terrain type
|notes=
! Description
[[File:Seasonal_evap_grass.jpg|thumb|right|Varying [[Terrain water evaporation factor (Water Overlay)|evaporation factor]] of grass, depending on the [[Season formula (Water Overlay)|time of year]]]]
|-
* For plants to evaporate water, both the [[terrain root depth m (Water Overlay)|ROOT_DEPTH_M]] and the WATER_EVAPORATION_FACTOR must be appropriately configured.
|{{anchor|ROOT_DEPTH_M_surface|ROOT_DEPTH_M}}
* When a Building is present in any given location, the values for evaporation in the ground will overrule any values set by [[Hydrological attributes of terrains (Water Overlay)|terrain]] in the same location. To model ground evaporation without a Building, set the attributes of the Building on the applicable terrain type instead.
|m
* The groundwater level reduction is inversely proportional to the [[terrain water storage percentage (Water Overlay)|WATER_STORAGE_PERCENTAGE]], as the contribution of a given volume of water to the groundwater level increases when the capacity for water storage in the ground layer decreases.
|Surface
* When there is no Building present on the surface, and the terrain has a WATER_EVAPORATION_FACTOR of 0, the amount of evaporation which takes place in that location is 0.
|The depth of the roots of this surface terrain, relative to the surface. Water can be drawn from the underground and evaporated if the roots can reach it.
* 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)|growth season]]. This allows for more evaporation during a crops growth season and less during the winter.
|-
|howtos=
|{{anchor|WATER_EVAPORATION_FACTOR_surface|WATER_EVAPORATION_FACTOR}}
* [[How to add and remove an Attribute]]
|factor
|seealso=
|Surface
* [[Water evaporation factor (Water Overlay)]]
|How fast this terrain can evaporate water from the underground. The {{inlink|weather}}'s evaporation speed is multiplied by this factor to determine the rate of evaporation.
* [[Groundwater level formula (Water Overlay)]]
|}
* [[Ground evaporation formula (Water Overlay)]]
====Plants====
* [[Season formula (Water Overlay)]]
Terrains can be configured with plant-related attributes, similar to {{inlink|lcase=1|Crops and foliage}} constructions, allowing it to draw water from the underground and {{inlink|Underground evaporation model|evaporate}} it.
* [[Ground model (Water Overlay)]]
===Notes===
* [[Evaporation model (Water Overlay)]]
*When a construction is present in any given location, the values for evaporation of the construction will overrule any values set by terrain in the same location. This is also true if the construction has its evaporation values set to 0; they will overrule the terrain's values and thus not allow evaporation of underground water to occur.
}}
*The groundwater level reduction is inversely proportional to the {{inlink|WATER_STORAGE_PERCENTAGE}}, as the contribution of a given volume of water to the groundwater level increases when the capacity for water storage in the underground layer decreases.
{{WaterOverlay terrain attribute nav}}

Latest revision as of 12:15, 28 February 2024

Icon Attribute Unit Layer Range Description
Waterwizard icon evaporation factor.png WATER_EVAPORATION_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 evaporation.

Terrains can be configured with plant-related attributes, similar to Buildings configured as crops and foliage, allowing it to draw water from the ground and evaporate it.

Notes

Varying evaporation factor of grass, depending on the time of year
  • For plants to evaporate water, both the ROOT_DEPTH_M and the WATER_EVAPORATION_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.
  • The groundwater level reduction is inversely proportional to the WATER_STORAGE_PERCENTAGE, as the contribution of a given volume of water to the groundwater level increases when the capacity for water storage in the ground layer decreases.
  • When there is no Building present on the surface, and the terrain has a WATER_EVAPORATION_FACTOR of 0, the amount of evaporation which takes place in that location is 0.
  • Can be configured as a seasonal factor, represented by an array of four values, one for each growth season. This allows for more evaporation during a crops growth season and less during the winter.

How-to's

See also

Water Module
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Water Module
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Tutorials
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Overview
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Theory
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Benchmarks
Group
Terrain attributes
Ground infiltration md •  Hydraulic conductivity md •  Hydraulic conductivity with thickness md •  Root depth m •  Water •  Water evaporation factor •  Water manning •  Water microrlief m •  Water storage percentage
Related
Building attributes • Hydrological features • Hydraulic structures • Model attributes • Results • Simulation data
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