Change in Drawdown in Unconfined Flow Formulas

The Change in Drawdown refers to the maximum lowering of the groundwater table caused by pumping or artesian flow. And is denoted by s. Change in Drawdown is usually measured using the Meter for Length. Note that the value of Change in Drawdown is always negative.

Formulas to find Change in Drawdown in Unconfined Flow

fxChange in Drawdown given DischargeGo

List of variables in Unconfined Flow formulas

fx Discharge Go

fx Radial Distance at Observation Well 2 Go

fx Radial Distance at Observation Well 1 Go

fx Transmissivity of an Unconfined Aquifer Go

FAQ

What is the Change in Drawdown?

The Change in Drawdown refers to the maximum lowering of the groundwater table caused by pumping or artesian flow. Change in Drawdown is usually measured using the Meter for Length. Note that the value of Change in Drawdown is always negative.

Can the Change in Drawdown be negative?

Yes, the Change in Drawdown, measured in Length can be negative.

What unit is used to measure Change in Drawdown?

Change in Drawdown is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Change in Drawdown can be measured.

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