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Figure 7. Calibration results: recharge.

Figure 7 Calibration results: recharge.

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Figure 2. A map of the great El-Arish is located on the Egyptian Mediterranean Sea coast.
Figure 2. A map of the great El-Arish is located on the Egyptian Mediterranean Sea coast.
Figure 1. Map of Egypt.
Figure 1. Map of Egypt.
Figure 3. Computational grid overlaid on an infrared false color composition of LANDSAT image acquired on 1987. Inactive cells are shown in red lines. The Hydrogeological conceptual model is the basis for building the MODFLOW model. Since there are no di- rect field measurements that support flow in the vertical direction, it is common to adopt a 2-D modeling ap- proach where hydraulic parameters (e.g. hydraulic con- ductivity) and state variables (e.g. water level) are verti- cally averaged. Figure 4 shows the 2-D MODFLOW
Figure 3. Computational grid overlaid on an infrared false color composition of LANDSAT image acquired on 1987. Inactive cells are shown in red lines. The Hydrogeological conceptual model is the basis for building the MODFLOW model. Since there are no di- rect field measurements that support flow in the vertical direction, it is common to adopt a 2-D modeling ap- proach where hydraulic parameters (e.g. hydraulic con- ductivity) and state variables (e.g. water level) are verti- cally averaged. Figure 4 shows the 2-D MODFLOW
Figure 4. Cells of abstractions in the study area.
Figure 4. Cells of abstractions in the study area.
Figure 5. Recharge zones.
Figure 5. Recharge zones.
Table 1. Volumetric budget for the entire model at 1988 assuming steady state.
Table 1. Volumetric budget for the entire model at 1988 assuming steady state.
Figure 6. Calibration results: computed versus observer heads.
Figure 6. Calibration results: computed versus observer heads.
Figure 8. Log-transformed hydraulic conductivity.
Figure 8. Log-transformed hydraulic conductivity.
Table 2. Volumetric budget for entire model at end of time step 10 in stress period 18.
Table 2. Volumetric budget for entire model at end of time step 10 in stress period 18.
Figure 10. Piezometric level time series for a cell within the urban area of El-Arish city.
Figure 10. Piezometric level time series for a cell within the urban area of El-Arish city.
Figure 11. Piezometric level time series is for a cell almost middle of the study area.
Figure 11. Piezometric level time series is for a cell almost middle of the study area.
Figure 12. Simulated piezometeric levels in 2006.
Figure 12. Simulated piezometeric levels in 2006.
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