Lubna landfill
Lubna landfill
Lubna landfill
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7 Groundwater modellingRecently, a 3-D groundwater model of the <strong>landfill</strong> including its vicinity was created, using theGroundwater Modelling System (GMS numerical program). GMS contains graphic environmentusers for groundwater flow and pollutant transport simulations. The system consists of a graphicuser interface and the following analysis codes: MODFLOW, MT3DMS, RT3D, SEAM3D,MODPATH, SEEP2D, FEMWATER, NUFT and UTCHEM. For the modelling of the secondgroundwater level (drinking) in the subsoil of the <strong>Lubna</strong> <strong>landfill</strong>, the set of MODFLOW was used(Fig. 14). For the modelling of the first groundwater level, the set of FEMWATER was applied (Fig.15). The modelling of groundwater flow was performed for 2-D and 3-D conditions. Thetransportation of pollutants in the first groundwater level was calculated taking into account theabsorption and dispersion phenomenon. The modelling results were compared to local monitoringobservations in piezometers.FIG. 14 Groundwater flow modelling in the second layer using MODFLOW numerical programFIG. 15 Groundwater flow modelling in the second layer using FEMWATER numerical program14