Surface infiltration formula (Water Overlay): Difference between revisions

Revision as of 11:14, 4 December 2020

Surface infiltration is calculated per cell.

First, the infiltration capacities are calculated:

$C_{w a t e r} = W_{s u r f a c e}$

$C_{t o p} = m a x (I_{c o n}, I_{s u r f})$

$I_{s u r f} = 0$ if a construction is present

$I_{c o n} = 0$ if no construction is present

Then the actual infiltration:

$Δ w = m i n (C_{w a t e r}, Δ t \cdot C_{t o p})$

Where:

$C_{w a t e r}$ = The amount of infiltration that can take place based on the amount of water on the surface.
$C_{t o p}$ = The amount of infiltration that can take place based on the infiltration values present.

$W_{s u r f a c e}$ = The amount of water (the water column) on the surface.
$I_{c o n}$ = The GROUND_INFILTRATION_MD of a construction on a specific cell (if present).
$I_{s u r f}$ = The GROUND_INFILTRATION_MD of the surface terrain type. This value should be interpreted as the vertical conductivity (Kv) of the sub-soil.

@@ Line 36: / Line 36: @@
 : [[Underground model (Water Overlay)|Underground model]]
 : [[Infiltration model (Water Overlay)|Infiltration model]]
-: [[Substance flow model (Water Overlay)|Substance flow model]]
+: [[Tracer flow model (Water Overlay)|Tracer flow model]]
 {{WaterOverlay formula nav}}