drawdown curve
A plot of the decline of water table or piezometric level versus distance from a pumping well, or versus time at a given distance from a pumping well, resulting from the continuous pumping from a well discharging at a known rate.
A plot of the decline of water table or piezometric level versus distance from a pumping well, or versus time at a given distance from a pumping well, resulting from the continuous pumping from a well discharging at a known rate.