Mithila Muthamma PA
Coorg Institute of Technology (CIT), Coorg
Mithila Muthamma PA has created this Calculator and 500+ more calculators!
Chandana P Dev
NSS College of Engineering (NSSCE), Palakkad
Chandana P Dev has verified this Calculator and 500+ 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

7 Other formulas that calculate the same Output

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
Storage Coefficient for Inconsistent Units from Distance-Drawdown Graphs
Storage Coefficient=Transmissivity*Time at which the Drawdowns were Measured/640*Distance from Pumping Well to Point Intersection^2 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
Modified Equation for Storage Coefficient from Time-Drawdown Graphs
Storage Coefficient=(Transmissivity*Time at the Point of Intersection )/640*Distance from Pumping Well to Observation Well^2 GO
Theis Equation to Determine Storage Coefficient
Storage Coefficient=(4*Transmissivity*Time*Varying Dimensionless Group )/Distance from Pumping Well to Observation Well^2 GO
Storage Coefficient when Distance from Pumping Well is Given
Storage Coefficient=2.25*Transmissivity*Time/Distance from Pumping Well to Point Intersection^2 GO
Storage Coefficient From Theis Equation of Transmissivity
Storage Coefficient=(Pumping Rate*Well Function of u)/Transmissivity*4*pi GO

Storage Coefficient from Distance-Drawdown Graphs Formula

Storage Coefficient=2.25*Transmissivity*Time at which the Drawdowns were Measured/Distance from Pumping Well to Point Intersection^2
S=2.25*T*t/r<sub>o</sub>^2
More formulas
Transmissivity from Distance-Drawdown Graphs GO
Pumping Rate from Distance-Drawdown Graphs when Transmissivity is Given GO
Drawdown across One Log Cycle from Distance-Drawdown Graphs when Transmissivity is Given GO
Transmissivity when Storage Coefficient from Distance-Drawdown Graphs is Given GO
Time at which the Drawdowns were Measured when Storage Coefficient is Given GO
Transmissivity for Inconsistent Units from Distance-Drawdown Graphs GO
Storage Coefficient for Inconsistent Units from Distance-Drawdown Graphs GO
Pumping Rate when Transmissivity is Given for Inconsistent Units from Distance-Drawdown Graphs GO
Drawdown across One Log Cycle when Transmissivity is Given for Inconsistent Units GO

What is Storage Coefficient ?

Storage Coefficient is the volume of water released from storage per unit decline in hydraulic head in the aquifer, per unit area of the aquifer. Storativity is a dimensionless quantity, and is always greater than 0.

How to Calculate Storage Coefficient from Distance-Drawdown Graphs?

Storage Coefficient from Distance-Drawdown Graphs calculator uses Storage Coefficient=2.25*Transmissivity*Time at which the Drawdowns were Measured/Distance from Pumping Well to Point Intersection^2 to calculate the Storage Coefficient, Storage Coefficient from Distance-Drawdown Graphs are used to estimate aquifer properties from pumping tests with more than one observation well. Storage Coefficient and is denoted by S symbol.

How to calculate Storage Coefficient from Distance-Drawdown Graphs using this online calculator? To use this online calculator for Storage Coefficient from Distance-Drawdown Graphs, enter Transmissivity (T), Time at which the Drawdowns were Measured (t) and Distance from Pumping Well to Point Intersection (ro) and hit the calculate button. Here is how the Storage Coefficient from Distance-Drawdown Graphs calculation can be explained with given input values -> 0.03 = 2.25*0.00277777777777778*12000/50^2.

FAQ

What is Storage Coefficient from Distance-Drawdown Graphs?
Storage Coefficient from Distance-Drawdown Graphs are used to estimate aquifer properties from pumping tests with more than one observation well and is represented as S=2.25*T*t/ro^2 or Storage Coefficient=2.25*Transmissivity*Time at which the Drawdowns were Measured/Distance from Pumping Well to Point Intersection^2. Transmissivity is the rate at which groundwater flows horizontally through an aquifer, Time at which the Drawdowns were Measured in Distance-Drawdown Analysis and Distance from Pumping Well to Point Intersection where the Straight Line Intersects the Zero-drawdown line.
How to calculate Storage Coefficient from Distance-Drawdown Graphs?
Storage Coefficient from Distance-Drawdown Graphs are used to estimate aquifer properties from pumping tests with more than one observation well is calculated using Storage Coefficient=2.25*Transmissivity*Time at which the Drawdowns were Measured/Distance from Pumping Well to Point Intersection^2. To calculate Storage Coefficient from Distance-Drawdown Graphs, you need Transmissivity (T), Time at which the Drawdowns were Measured (t) and Distance from Pumping Well to Point Intersection (ro). With our tool, you need to enter the respective value for Transmissivity, Time at which the Drawdowns were Measured and Distance from Pumping Well to Point Intersection 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 Storage Coefficient?
In this formula, Storage Coefficient uses Transmissivity, Time at which the Drawdowns were Measured and Distance from Pumping Well to Point Intersection. We can use 7 other way(s) to calculate the same, which is/are as follows -
  • Storage Coefficient=(4*Transmissivity*Time*Varying Dimensionless Group )/Distance from Pumping Well to Observation Well^2
  • Storage Coefficient=(Pumping Rate*Well Function of u)/Transmissivity*4*pi
  • Storage Coefficient=Transmissivity*time at which steady-shape conditions develop/7200*Distance from Pumping Well to Observation Well^2
  • Storage Coefficient=(2.25*Transmissivity*Time at the Point of Intersection )/Distance from Pumping Well to Observation Well^2
  • Storage Coefficient=(Transmissivity*Time at the Point of Intersection )/640*Distance from Pumping Well to Observation Well^2
  • Storage Coefficient=Transmissivity*Time at which the Drawdowns were Measured/640*Distance from Pumping Well to Point Intersection^2
  • Storage Coefficient=2.25*Transmissivity*Time/Distance from Pumping Well to Point Intersection^2
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