A confined aquifer bed with a varying thickness as shown in the following figure. The aquifer hydraulic conductivity is 15 m/day. The piezometric heads at x=0 is 15.5m and at x=2000m, head is 22.1m. Determine the flow rate per unit width assuming the flow in the aquifer is essentially horizontal.

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Groundwater Flow

The term groundwater refers to the water which is found beneath the earth's surface. Pores present in the soil and rocks with fractures make a passage for rainwater to enter the earth's surface and deposit as groundwater. The flow nature and direction of groundwater under the earth's surface directly impacts the strength and compressibility of the soil, which reflects its ability to support structural loads.