Aquifer (Water Overlay): Difference between revisions

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The aquifer is an additional definition for the underground, allowing for {{inlink|Underground model|underground horizontal flow}} different from the underground terrain's {{inlink|GROUND_INFILTRATION_MD_underground|GROUND_INFILTRATION_MD}}.{{RequestImage|description=Wide Depiction of underground terrain. Part of the underground has 1 or 2 arrows to depict flowing right. A part further right is highlighted (the aquifer) and has 3 or 4 arrows depicting flow to the right.}}
The aquifer is an additional definition for the ground, allowing for [[Ground model (Water Overlay)#Horizontal flow and aquifers|ground horizontal flow]] different from the ground terrain's [[Terrain_ground_infiltration_md_(Water_Overlay)|GROUND_INFILTRATION_MD]].
{{Overlay attribute
 
|attribute=[[Aquifer_kd_(Water_Overlay)|AQUIFER_KD]]
{{Overlay keys|
|unit=m²/day
{{:aquifer kd (Water Overlay)}}
|description=The hydraulic conductivity of the aquifer, which dictates the speed at which water can flow horizontally through the underground.
{{:aquifer datum (Water Overlay)}}
|defaultvalue=n/a
|icon=[[File:waterwizard_icon_water_level.png]]
|attribute2=[[Aquifer_kd_(Water_Overlay)|AQUIFER_KD]]
|unit2={{datumm}}
|description2=The height at which the aquifer layer is situated.
|defaultvalue2=n/a
|icon2=[[File:waterwizard_icon_aquifer_kd.png]]
}}
}}
Note that the aquifer only functions if its hydraulic conductivity is greater than 0. If it is 0 or less the aquifer is disregarded, and the {{inlink|GROUND_INFILTRATION_MD_underground|GROUND_INFILTRATION_MD}} of the underground terrain is used.
 
{{article end
|notes=
* The aquifer only functions if its hydraulic conductivity is greater than 0. If it is 0 or less the aquifer is disregarded, and the [[Terrain_ground_infiltration_md_(Water_Overlay)|GROUND_INFILTRATION_MD]] of the ground terrain is used.
* The aquifer functionality is also used to model drainages.
* *{{overlapping features note|Aquifers}}
|howtos=
|seealso=
* [[Ground model (Water Overlay)]]
* [[Ground flow formula (Water Overlay)#Aquifer formula]]
}}
{{WaterOverlay hydrological features nav}}

Latest revision as of 12:23, 9 June 2026

The aquifer is an additional definition for the ground, allowing for ground horizontal flow different from the ground terrain's GROUND_INFILTRATION_MD.

Icon Key Unit Range Description Default value
AQUIFER_KD m²/day The hydraulic conductivity of the aquifer, which dictates the speed at which water can flow horizontally through the underground. n/a
AQUIFER_DATUM m + datum The datum height at which the aquifer layer is situated. n/a

Notes

  • The aquifer only functions if its hydraulic conductivity is greater than 0. If it is 0 or less the aquifer is disregarded, and the GROUND_INFILTRATION_MD of the ground terrain is used.
  • The aquifer functionality is also used to model drainages.
  • *Overlapping Aquifers are not allowed. Should in any location two or more Aquifers overlap, the values of one of them is used, and the values of the others are ignored.

See also

Water Module
Water Module
Tutorials
Overview
Theory
Benchmarks
Group
Water area
Water level • Water relative
Sewer area
Sewer storage • Sewer pump speed
Inundation area
Inundation level
Aquifer
Aquifer kd • Aquifer datum
Breach
Breach height • Breach width • Breach angle • Breach coefficient • Breach speed • Breach input area • Breach level area • External surface level • External water level • External area
Rain area
Rain m
Limitation area
Limit area
Output
Object flow output • Object height output • Object datum output a • Object datum output b • Object water area output • Object width output
Related
Building attributes • Hydraulic structures •  Terrain attributes • Model attributes • Prequels • Results • Simulation data
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