Mithila Muthamma PA
Coorg Institute of Technology (CIT), Coorg
Mithila Muthamma PA has created this Calculator and 300+ more calculators!
Chandana P Dev
NSS College of Engineering (NSSCE), Palakkad
Chandana P Dev has verified this Calculator and 300+ more calculators!

11 Other formulas that you can solve using the same Inputs

Time at which Steady-Shape Conditions Develop
time at which steady-shape conditions develop=(7200*Distance from Pumping Well to Observation Well^2*Storage Coefficient)/Transmissivity GO
Storage Coefficient when Time at which Steady-Shape Conditions Develop is Given
Storage Coefficient=Transmissivity*time at which steady-shape conditions develop/7200*Distance from Pumping Well to Observation Well^2 GO
Distance from the Pumping Well to the Observation Well when Storage Coefficient is Given
Distance from Pumping Well to Observation Well=sqrt(2.25*Transmissivity*Time at the Point of Intersection /Storage Coefficient) GO
Storage Coefficient from the Time-Drawdown Graphs
Storage Coefficient=(2.25*Transmissivity*Time at the Point of Intersection )/Distance from Pumping Well to Observation Well^2 GO
Equation for the Varying Dimensionless Group u in Theis Equation
Varying Dimensionless Group =(Distance from Pumping Well to Observation Well^2*Storage Coefficient)/4*Transmissivity*Time GO
Theis Equation to Determine Storage Coefficient
Storage Coefficient=(4*Transmissivity*Time*Varying Dimensionless Group )/Distance from Pumping Well to Observation Well^2 GO
Equation for Pumping Rate when Transmissivity derived from the Time-Drawdown Graphs is Given
Pumping Rate=(Transmissivity*4*pi*Drawdown Across One Log Cycle)/Pumping Rate GO
Quantity of Water when Transmissivity is Given
Quantity of water=Transmissivity*Large Width of Aquifer*Hydraulic Gradient GO
Storage Coefficient From Theis Equation of Transmissivity
Storage Coefficient=(Pumping Rate*Well Function of u)/Transmissivity*4*pi GO
Thickness of Aquifer when Transmissivity is Given
Aquifer Thickness at Midpoint =Transmissivity/Hydraulic Conductivity GO
Equation for Drawdown Across One Log Cycle when Transmissivity is Given
Drawdown Across One Log Cycle=2.3*Pumping Rate/Transmissivity*4*pi GO

3 Other formulas that calculate the same Output

Drawdown across One Log Cycle from Distance-Drawdown Graphs when Transmissivity is Given
Drawdown Across One Log Cycle=2.3*Pumping Rate/(Transmissivity*2*pi) GO
Equation for Drawdown Across One Log Cycle when Transmissivity is Given
Drawdown Across One Log Cycle=2.3*Pumping Rate/Transmissivity*4*pi GO
Drawdown across One Log Cycle when Transmissivity is Given for Inconsistent Units
Drawdown Across One Log Cycle=70*Pumping Rate/Transmissivity GO

Drawdown across One Log Cycle when First Estimate of the Pumping Rate is Given Formula

Drawdown Across One Log Cycle=First Estimate of the Pumping Rate/2.7*Transmissivity
Δs=Q<sub>e</sub>/2.7*T
More formulas
Distance from Pumping Well GO
Storage Coefficient when Distance from Pumping Well is Given GO
Transmissivity when Distance from Pumping Well is Given GO
First Estimate of the Pumping Rate GO
Transmissivity when First Estimate of the Pumping Rate is Given GO

What is Drawdown?

Drawdown is a change in groundwater level due to an applied stress, caused by events such as: Pumping from a well. Pumping from a neighboring well. Intensive water taking from local area. Seasonal declines as recharge rates lower

How to Calculate Drawdown across One Log Cycle when First Estimate of the Pumping Rate is Given?

Drawdown across One Log Cycle when First Estimate of the Pumping Rate is Given calculator uses Drawdown Across One Log Cycle=First Estimate of the Pumping Rate/2.7*Transmissivity to calculate the Drawdown Across One Log Cycle, The Drawdown across One Log Cycle when First Estimate of the Pumping Rate is Given is the reduction in hydraulic head observed at a well in an aquifer, typically due to pumping a well as part of an aquifer test or well test. Drawdown Across One Log Cycle and is denoted by Δs symbol.

How to calculate Drawdown across One Log Cycle when First Estimate of the Pumping Rate is Given using this online calculator? To use this online calculator for Drawdown across One Log Cycle when First Estimate of the Pumping Rate is Given, enter First Estimate of the Pumping Rate (Qe) and Transmissivity (T) and hit the calculate button. Here is how the Drawdown across One Log Cycle when First Estimate of the Pumping Rate is Given calculation can be explained with given input values -> 0.001029 = 1/2.7*0.00277777777777778.

FAQ

What is Drawdown across One Log Cycle when First Estimate of the Pumping Rate is Given?
The Drawdown across One Log Cycle when First Estimate of the Pumping Rate is Given is the reduction in hydraulic head observed at a well in an aquifer, typically due to pumping a well as part of an aquifer test or well test and is represented as Δs=Qe/2.7*T or Drawdown Across One Log Cycle=First Estimate of the Pumping Rate/2.7*Transmissivity. First Estimate of the Pumping Rate is the actual volumetric pumping rate and Transmissivity is the rate at which groundwater flows horizontally through an aquifer.
How to calculate Drawdown across One Log Cycle when First Estimate of the Pumping Rate is Given?
The Drawdown across One Log Cycle when First Estimate of the Pumping Rate is Given is the reduction in hydraulic head observed at a well in an aquifer, typically due to pumping a well as part of an aquifer test or well test is calculated using Drawdown Across One Log Cycle=First Estimate of the Pumping Rate/2.7*Transmissivity. To calculate Drawdown across One Log Cycle when First Estimate of the Pumping Rate is Given, you need First Estimate of the Pumping Rate (Qe) and Transmissivity (T). With our tool, you need to enter the respective value for First Estimate of the Pumping Rate and Transmissivity and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Drawdown Across One Log Cycle?
In this formula, Drawdown Across One Log Cycle uses First Estimate of the Pumping Rate and Transmissivity. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Drawdown Across One Log Cycle=2.3*Pumping Rate/Transmissivity*4*pi
  • Drawdown Across One Log Cycle=2.3*Pumping Rate/(Transmissivity*2*pi)
  • Drawdown Across One Log Cycle=70*Pumping Rate/Transmissivity
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