Exercise 17
Calculate the drawdown at the observation well in Figure 55 and Figure 57 given the following assumptions:
- the system behaves in a nearly linear manner even after pumping, i.e., drawdown is small relative to aquifer thickness
- [latex]r_{boundary} = [/latex] 250 m
- [latex]r_{pump\ well\ to\ observation\ well} = [/latex] 200 m
- [latex]Q = [/latex] 1,000 m3/d
- [latex]K = [/latex] 2.0×10-5 m/s
- [latex]b = [/latex] 20 m
- [latex]S = [/latex] 0.0001
- [latex]t = [/latex] 10 years