How to Calculate Observed Drawdown in the Unconfined Aquifer?
Observed Drawdown in the Unconfined Aquifer calculator uses Possible Drawdown in Confined Aquifer=Observed Drawdown in the Unconfined Aquifer-(Observed Drawdown in the Unconfined Aquifer^2/2*Aquifer Thickness at Midpoint ) to calculate the Possible Drawdown in Confined Aquifer, Observed Drawdown in the Unconfined Aquifer can be used for when the effect of dewatering of the aquifer can be eliminated. Possible Drawdown in Confined Aquifer and is denoted by s' symbol.
How to calculate Observed Drawdown in the Unconfined Aquifer using this online calculator? To use this online calculator for Observed Drawdown in the Unconfined Aquifer, enter Observed Drawdown in the Unconfined Aquifer (s) and Aquifer Thickness at Midpoint (b) and hit the calculate button. Here is how the Observed Drawdown in the Unconfined Aquifer calculation can be explained with given input values -> -624 = 6-(6^2/2*35).