Aquifer Constant given Drawdown in Well Calculator

✖Discharge is the rate of flow of a liquid.ⓘ Discharge [Q]			+10% -10%
✖Drawdown in well 1 is a peak-to-trough decline during a specific period for well 1.ⓘ Drawdown in well 1 [s₁]			+10% -10%
✖Drawdown in well 2 is a peak-to-trough decline during a specific period for well 2.ⓘ Drawdown in well 2 [s₂]			+10% -10%

✖Aquifer Constant is also known as coefficient of transmissibility.ⓘ Aquifer Constant given Drawdown in Well [T]

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Formula

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Aquifer Constant given Drawdown in Well

Formula

`"T" = ("Q")/(2.72*("s"_{"1"}-"s"_{"2"}))`

Example

`"26.52311"=("1.01m³/s")/(2.72*("2.15m"-"2.136m"))`

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Aquifer Constant given Drawdown in Well Solution

STEP 0: Pre-Calculation Summary

Formula Used

Aquifer Constant = (Discharge)/(2.72*(Drawdown in well 1-Drawdown in well 2))
T = (Q)/(2.72*(s₁-s₂))
This formula uses 4 Variables

Variables Used

Aquifer Constant - Aquifer Constant is also known as coefficient of transmissibility.
Discharge - (Measured in Cubic Meter per Second) - Discharge is the rate of flow of a liquid.
Drawdown in well 1 - (Measured in Meter) - Drawdown in well 1 is a peak-to-trough decline during a specific period for well 1.
Drawdown in well 2 - (Measured in Meter) - Drawdown in well 2 is a peak-to-trough decline during a specific period for well 2.

STEP 1: Convert Input(s) to Base Unit

Discharge: 1.01 Cubic Meter per Second --> 1.01 Cubic Meter per Second No Conversion Required
Drawdown in well 1: 2.15 Meter --> 2.15 Meter No Conversion Required
Drawdown in well 2: 2.136 Meter --> 2.136 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

T = (Q)/(2.72*(s₁-s₂)) --> (1.01)/(2.72*(2.15-2.136))

Evaluating ... ...

T = 26.5231092436979

STEP 3: Convert Result to Output's Unit

26.5231092436979 --> No Conversion Required

FINAL ANSWER

26.5231092436979 ≈ 26.52311 <-- Aquifer Constant

(Calculation completed in 00.004 seconds)

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Birsa Institute of Technology (BIT), Sindri

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< 6 Aquifer Constant And Depth of Water in Well Calculators

Confined Aquifer Discharge given Aquifer Constant

Go Discharge = Aquifer Constant/((log((Radial Distance at Observation Well 2/Radial Distance at Observation Well 1),10))/(2.72*(Drawdown in well 1-Drawdown in well 2)))

Aquifer Constant

Go Aquifer Constant = (Discharge*log((Radial Distance at Observation Well 2/Radial Distance at Observation Well 1),10))/(2.72*(Drawdown in well 1-Drawdown in well 2))

Aquifer Constant given Drawdown in Well

Go Aquifer Constant = (Discharge)/(2.72*(Drawdown in well 1-Drawdown in well 2))

Aquifer Constant given Difference in Drawdowns at Two Wells

Go Aquifer Constant = (Discharge)/(2.72*Difference in Drawdowns)

Depth of Water in Well 1 given Drawdown in Well 1

Go Depth of Water 1 = Thickness of aquifer-Drawdown in well 1

Depth of Water in Well 2 given Drawdown in Well 2

Go Depth of Water 2 = Thickness of aquifer-Drawdown in well 2

Aquifer Constant given Drawdown in Well Formula

Aquifer Constant = (Discharge)/(2.72*(Drawdown in well 1-Drawdown in well 2))
T = (Q)/(2.72*(s₁-s₂))

What is Coefficient of Transmissibility?

The coefficient of transmissibility. is defined as the rate of flow of water. in gallons per day through a vertical. strip of the aquifer 1 ft wide and ex- tending the full saturated thickness.

How to Calculate Aquifer Constant given Drawdown in Well?

Aquifer Constant given Drawdown in Well calculator uses Aquifer Constant = (Discharge)/(2.72*(Drawdown in well 1-Drawdown in well 2)) to calculate the Aquifer Constant, The Aquifer Constant given Drawdown in Well is defined as the value of aquifer constant when we have prior information of other parameters used. Aquifer Constant is denoted by T symbol.

How to calculate Aquifer Constant given Drawdown in Well using this online calculator? To use this online calculator for Aquifer Constant given Drawdown in Well, enter Discharge (Q), Drawdown in well 1 (s₁) & Drawdown in well 2 (s₂) and hit the calculate button. Here is how the Aquifer Constant given Drawdown in Well calculation can be explained with given input values -> 7.426471 = (1.01)/(2.72*(2.15-2.136)).

FAQ

What is Aquifer Constant given Drawdown in Well?

The Aquifer Constant given Drawdown in Well is defined as the value of aquifer constant when we have prior information of other parameters used and is represented as T = (Q)/(2.72*(s₁-s₂)) or Aquifer Constant = (Discharge)/(2.72*(Drawdown in well 1-Drawdown in well 2)). Discharge is the rate of flow of a liquid, Drawdown in well 1 is a peak-to-trough decline during a specific period for well 1 & Drawdown in well 2 is a peak-to-trough decline during a specific period for well 2.

How to calculate Aquifer Constant given Drawdown in Well?

The Aquifer Constant given Drawdown in Well is defined as the value of aquifer constant when we have prior information of other parameters used is calculated using Aquifer Constant = (Discharge)/(2.72*(Drawdown in well 1-Drawdown in well 2)). To calculate Aquifer Constant given Drawdown in Well, you need Discharge (Q), Drawdown in well 1 (s₁) & Drawdown in well 2 (s₂). With our tool, you need to enter the respective value for Discharge, Drawdown in well 1 & Drawdown in well 2 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 Aquifer Constant?

In this formula, Aquifer Constant uses Discharge, Drawdown in well 1 & Drawdown in well 2. We can use 2 other way(s) to calculate the same, which is/are as follows -

Aquifer Constant = (Discharge*log((Radial Distance at Observation Well 2/Radial Distance at Observation Well 1),10))/(2.72*(Drawdown in well 1-Drawdown in well 2))
Aquifer Constant = (Discharge)/(2.72*Difference in Drawdowns)

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