R layer represents net recharge to groundwater, the mean net recharge in GROWA in the period 1981-2010. Values are reclassified values into D index values from 1 to 10. Lower values correspond to NE part of the area, where amount of precipitation is small.
Model is a specification of the regional model, with emphasis put on the non karstic areas. The model itself was created in ESRI ArcMap 10.8 and was submitted in .tiff format.