Question

A narrow stretch of aquifer transports water to a stream as shown below. Based on the sketch below, a) Develop a set of generalized flow balance equations for use in a numerical model to determine the head values in the aquifer, and b) solve the numerical model assuming each aquifer cell has the characteristics provided in the table below. For the numerical model, divide the aquifer into 5 cells. Present the head values in each cell in a table and in a graph. Determine the sensitivity of the model results to K and b values. Do the model results match what you would expect? Aqufer Model Extent Observapon Wel River Simulation Scenario ell Cell 2 Cell 3 Cell 4 Cell S K(ft/min)10 b (ft) L(ft) 1 100 1 100 20 50 100 50 100 0.1 50 100 10 50 100 50 Scenario 1 Hint: Use Microsoft Excel (or some similar program). Setup the coefficient matrix, and invert the matrix using the MINVERSE function. See the help files in Excel for details as to how to work with matrices.

Answer 1

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