Assessment of New Esna barrage impacts on groundwater and proposed measures

Peer review under the responsibility of National Water Research Center.

Figures & data

Fig. 1 General location map for the study.

Fig. 2 Depth to shallow groundwater before and after Esna barrage rehabilitation.

Fig. 3 Calibrated piezometric head for modeled.

Fig. 4 (a) Drawdown after operating the well field with pumping rate 30 m³/h (b) Drawdown after operating the well field with pumping rate 40 m³/h.

Fig. 5 (a) Drawdown after operation of cutoff drains with depth 2 0 m and K_{gravel filter} 50 m/day. (b) Drawdown after operation of cutoff drains with depth 2.5 m and K_{gravel filter} 50 m/day. (c) Drawdown after operation of cutoff drains with depth 2 5 m and K_{gravel filter} 70 m/day.