Question

Question 2: (25 marks) a) The figure below shows a confined aquifer with hydraulic conductivity which varies over space. There are rives with fixed head at the left and right boundaries. i. ii. Using Darcy Law explain why you draw the potentiometric surface in ii. Using the theory of frictional resistance explain why you draw the Sketch the potentiometric surface of the confined aquifer in Figure 2a (5 marks) such a way (5 marks) potentiometric surface in such a way (5 marks) h1-15m h2 20m 10m 50 day 1000m 1000m Figure for Question 2a of an anomalous b) The following sketch shows a head contour map in the vicinity hydraulic conductivity zone. What can you say about the hydraulic conductivity of the anomalous zone relative to that of the surrounding materials? (10 marks) 80m 90m 100m 70m K3 Flow line K Equipotential line Figure for Question 2b

Answer 1

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