Water evaporation factor (Water Overlay): Difference between revisions

Revision as of 08:38, 20 June 2019

Constructions representing crops and foliage can draw water from the underground, allowing it to evaporate. This behaves in the same way as terrain which is configured as plants.

For crops and foliage to evaporate water, both the ROOT_DEPTH_M and the WATER_EVAPORATION_FACTOR must be appropriately configured.
When a construction is present in any given location, the values for evaporation in the underground will overrule any values set by terrain in the same location. To model underground evaporation without a construction, set these attributes on the applicable terrain type instead.
The groundwater level reduction is inversely proportional to the WATER_STORAGE_PERCENTAGE of the underground terrain in the same location, 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.

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 * For crops and foliage to evaporate water, both the [[Root depth m (Water Overlay)|ROOT_DEPTH_M]] and the WATER_EVAPORATION_FACTOR must be appropriately configured.
 * When a construction is present in any given location, the values for evaporation in the underground will overrule any values set by [[Hydrological attributes of terrains (Water Overlay)|terrain]] in the same location. To model underground evaporation without a construction, set these attributes on the applicable terrain type instead.
+* The groundwater level reduction is inversely proportional to the [[terrain water storage percentage (Water Overlay)|WATER_STORAGE_PERCENTAGE]] of the underground terrain in the same location, 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.
 ==How-to's==