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.