If all input data for the determination of the direct runoff are available (attributes: NMGK, NMBT, NMFK, NMFN), the direct runoff (attribute NMAD) is calculated automatically in SPRING via the menu item Attributes Computation
Groundwater recharge
According to Meßer 2008
Calculate direct runoff (…).
With this method the groundwater recharge rate can be determined for each finite element according to the above-described water balance equation via: SPRING Attributes
Computation
Groundwater recharge
According to Meßer 2008
Calculate groundwater recharge (...).
Land use classes from RVR-Code