Seepage GeoTiffs (Water Overlay)
Groundwater seepage in the Tygron Platform is configured using two GeoTiffs, defining the pressure and resistance spatially. This spatial data, along with a seepage fluctuation, is used to calculate the seepage.
Values in the Seepage pressure GeoTiff represent the water head from a region outside the project area, resulting in upward water pressure from deeper regions in the underground. Water will keep seeping in until the local water head is equal to the water head of the region outside the project area, indicated by the supplied geotiff.
|Seepage pressure GeoTIFF specification|
|Description||The head of the ground water pressure caused by ground water in higher regions outside the project area.|
|Value||Groundwater head of higher regions. (m + datum)|
Values in the Seepace resistance GeoTiff represent the resistance of the water head pressure.
|Seepage resistance GeoTIFF specification|
|Description||The resistance of the lower layer against the seepage.|
|Value||The number of days it would take to equalize 1 meter of the local groundwater table level with the higher region's water head. (days)|
- Seepage values in the Seepage pressure GeoTiff can also be negative. In such case, groundwater can seep away from the project area to regions outside the project area. The formula used remains the same.
- Groundwater seepage is only active when the GROUND WATER Attribute of the Water Overlay is set to complete, meaning the underground model is fully active.
- Underground seepage formula (Water Overlay)
- Seepage fluctuation (Water Overlay)
- Ground last seepage result type (Water Overlay)
- Underground model (Water Overlay)