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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Geology (GG)
A confined aquifer has a source of recharge.....
A confined aquifer has a source of recharge. Hydraulic conductivity, K for the aquifer is 50 m/day. The piezometric head in two wells 1000 m apart is 45 m and 40 m respectively, from a common datum. The average thickness of the aquifer is 30 m, and the average width of aquifer is 5 km. Compute the rate of flow through the aquifer (assume no dispersion or diffusion through the aquifer).
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Saurabh 1![best-answer]()
It's simply based on the Darcy's law. We have, K= 50m/day hydraulic head (Or hydraulic gradient) = dh/dL = (45-40)/1000= 5/1000= 0.005 Area of the aquifer(A) = 30×5000= 150000m² So rate of flow (Q) is given by Q = V/t = KA(dh/dL) Q = 50×150000×0.005 = 37500 m³/day So, rate of flow through the aquifer is 37500 m³/day.