Groundwater level formula (Water Overlay)
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Groundwater level is calculated per cell.
Where:
- = The height (column) of the saturated zone.
- = The amount of water in the saturated zone. The height of the water column if the equivalent amount of water was placed on the surface.
- = The WATER_STORAGE_PERCENTAGE of the underground terrain type, used here as a fraction.
- = The groundwater level, relative to datum. Also known as the watertable.
- = the datum height of the surface of cell c, set by the elevation or a Terrain elevation prequel.
- = The ground bottom distance of the cell c, defined by a Bottom distance prequel or a general GROUND_BOTTOM_DISTANCE_M of the Water Overlay.
Related
The following topics are related to this formula.