Water area (Water Overlay): Difference between revisions

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{{Water Module buttons}}
A Water area is a means to specify the initial water level for large sections of your project area. This initial water level is only applied to [[terrain water (Water Overlay)|water terrain]]s. The datum height of the water level is assumed to be equal within the water area.


A Water level area is a means to specify the initial water level for large sections of your project area. This initial water level is only applied to water [[terrain]]s. The datum height of the water level is assumed to be equal within the water level area.
If no water areas are present, no water is initialized in the water terrains. Waterways and other water bodies will be dry at the start of the simulation (unless an [[Inundation area (Water Overlay)|inundation area]] is present, which performs a similar function).


If no water level areas are present, no water is initialized in the water terrains. Waterways and other water bodies will be dry at the start of the simulation (unless an [[Inundation area (Water Overlay)|inundation area]] is present, which performs a similar function).
If the [[Ground model (Water Overlay)|ground model]] is active, and no [[Groundwater Prequel (Water Overlay)|groundwater prequel]] is present, the ground watertable is initialized at the height defined by the water area.


{{Overlay attribute
{{Overlay keys|suppresscategory=true|
|attribute=[[Water_level_(Water_Overlay)|WATER_LEVEL]]
{{:Water level (Water Overlay)}}
|unit={{mdatum}}
{{:Water relative (Water Overlay)}}
|description=The water level for all water terrains in this water level area
|defaultvalue=n/a
|icon=[[File:waterwizard_icon_water_level.png]]
}}
}}
==See also==
 
{{article end
|notes=
* A water area represents real-world water areas.
* Grid cells are marked as water by an overlapping [[terrain water (Water Overlay)|water terrain]]. If a grid cell is marked as water, but is not covered by a water area, the grid cell will not be initialized with water from water areas.
* For waterways with a steep decline, using a single water area to define the water level might not suffice, since the level is a datum height, not a relative offset from the bottom. Alternatives, such as staggered water areas, [[Inundation area (Water Overlay)|inundation area]]s, or initializing the waterway dry, should be considered.
|seealso=
* [[Inundation area (Water Overlay)]]
* [[Inundation area (Water Overlay)]]
 
* [[Surface model (Water Overlay)]]
==Notes==
* [[Surface water level formula (Water Overlay)]]
* A water level area represents real-world water level areas.
* [[Surface level prequel (Water Overlay)]]
* Grid cells are marked as water by an overlapping water terrain. If a grid cell is marked as water, but is not covered by a water level area, the grid cell will not contain water.
}}
* For waterways with a steep decline, using a single water level area to define the water level might not suffice, since the level is a datum height, not a relative offset from the bottom.
{{WaterOverlay hydrological features nav}}
{{WaterOverlay hydrological features nav}}

Latest revision as of 15:41, 26 January 2024

A Water area is a means to specify the initial water level for large sections of your project area. This initial water level is only applied to water terrains. The datum height of the water level is assumed to be equal within the water area.

If no water areas are present, no water is initialized in the water terrains. Waterways and other water bodies will be dry at the start of the simulation (unless an inundation area is present, which performs a similar function).

If the ground model is active, and no groundwater prequel is present, the ground watertable is initialized at the height defined by the water area.

Icon Key Unit Range Description Default value
Waterwizard icon water level.png WATER_LEVEL m + datum or m above datum The water level for all water terrains in this water area. n/a
Waterwizard icon water relative.png WATER_RELATIVE boolean Determines if the water level for all water terrains in this water area is set to a relative or a datum height. n/a

Notes

  • A water area represents real-world water areas.
  • Grid cells are marked as water by an overlapping water terrain. If a grid cell is marked as water, but is not covered by a water area, the grid cell will not be initialized with water from water areas.
  • For waterways with a steep decline, using a single water area to define the water level might not suffice, since the level is a datum height, not a relative offset from the bottom. Alternatives, such as staggered water areas, inundation areas, or initializing the waterway dry, should be considered.

See also

Water Module
Benchmarks button.png
Introduction button.png
Water Module
Benchmarks button.png
Getting started button.png
Tutorials
Benchmarks button.png
Overview button.png
Overview
Benchmarks button.png
Theory button.png
Theory
Benchmarks button.png
Benchmarks button.png
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 width output
Related
Building attributes • Hydraulic structures •  Terrain attributes • Model attributes • Results • Simulation data
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