Analytical equations and methods for aquifer test analysis
Drawdown equation
Regime
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Aquifer
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Equation
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Comments
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Non-steady state
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isotropic
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anisotropic
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Quasi-steady state
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isotropic
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anisotropic
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Steady state
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isotropic
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anisotropic
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Methods of analysis and parameters being estimated
Plot
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Method
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Parameters
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Comments
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straight line 1)
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matching 2)
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matching 2)
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matching for z = 0
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matching 2)
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matching by separate points
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matching 2)
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type line 3)
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matching 2)
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matching
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straight line 3)
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matching 2)
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straight line 3)
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matching 3)
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straight line 3)
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matching 2)
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type line 3)
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matching 2)
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matching 2)
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matching 4)
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straight line 1)
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matching 2)
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bisecting line 4)
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1) for isotropic aquifer at steady state;
2) for isotropic aquifer parameters k and a are estimated;
3) for isotropic aquifer either for anisotropic aquifer at z = 0, where
4) for isotropic aquifer; for anisotropic aquifer estimated parameters are
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