Confined Aquifer Discharge given Depth of Water in Two Wells Calculator

✖Coefficient of Permeability is the velocity in meters or centimeters per second of water through soils.ⓘ Coefficient of Permeability [K_w]			+10% -10%
✖Aquifer Thickness During Pumping is the thickness of aquifer during pumping stage.ⓘ Aquifer Thickness During Pumping [b_p]			+10% -10%
✖Depth of water 2 means the depth of the water in 2nd well.ⓘ Depth of Water 2 [h₂]			+10% -10%
✖Depth of Water 1 is the depth of water in the 1st considered well.ⓘ Depth of Water 1 [h₁]			+10% -10%
✖Radial Distance at Observation Well 2 is the value of radial distance from well 2 when we have prior information of other parameters used.ⓘ Radial Distance at Observation Well 2 [r₂]			+10% -10%
✖Radial Distance at Observation Well 1 is the value of radial distance from well 1 when we have prior information of other parameters used.ⓘ Radial Distance at Observation Well 1 [r₁]			+10% -10%

✖Confined Aquifer Discharge given Depth of Water is the amount of water that is released from a confined aquifer.ⓘ Confined Aquifer Discharge given Depth of Water in Two Wells [Qcaq]

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Confined Aquifer Discharge given Depth of Water in Two Wells Solution

STEP 0: Pre-Calculation Summary

Formula Used

Confined Aquifer Discharge given Depth of Water = (2.72*Coefficient of Permeability*Aquifer Thickness During Pumping*(Depth of Water 2-Depth of Water 1))/(log((Radial Distance at Observation Well 2/Radial Distance at Observation Well 1),10))
Qcaq = (2.72*K_w*b_p*(h₂-h₁))/(log((r₂/r₁),10))
This formula uses 1 Functions, 7 Variables

Functions Used

log - Logarithmic function is an inverse function to exponentiation., log(Base, Number)

Variables Used

Confined Aquifer Discharge given Depth of Water - (Measured in Cubic Meter per Second) - Confined Aquifer Discharge given Depth of Water is the amount of water that is released from a confined aquifer.
Coefficient of Permeability - (Measured in Meter per Second) - Coefficient of Permeability is the velocity in meters or centimeters per second of water through soils.
Aquifer Thickness During Pumping - (Measured in Meter) - Aquifer Thickness During Pumping is the thickness of aquifer during pumping stage.
Depth of Water 2 - (Measured in Meter) - Depth of water 2 means the depth of the water in 2nd well.
Depth of Water 1 - (Measured in Meter) - Depth of Water 1 is the depth of water in the 1st considered well.
Radial Distance at Observation Well 2 - (Measured in Meter) - Radial Distance at Observation Well 2 is the value of radial distance from well 2 when we have prior information of other parameters used.
Radial Distance at Observation Well 1 - (Measured in Meter) - Radial Distance at Observation Well 1 is the value of radial distance from well 1 when we have prior information of other parameters used.

STEP 1: Convert Input(s) to Base Unit

Coefficient of Permeability: 1125 Centimeter per Second --> 11.25 Meter per Second (Check conversion here)
Aquifer Thickness During Pumping: 2.36 Meter --> 2.36 Meter No Conversion Required
Depth of Water 2: 17.8644 Meter --> 17.8644 Meter No Conversion Required
Depth of Water 1: 17.85 Meter --> 17.85 Meter No Conversion Required
Radial Distance at Observation Well 2: 10 Meter --> 10 Meter No Conversion Required
Radial Distance at Observation Well 1: 1.07 Meter --> 1.07 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Qcaq = (2.72*K_w*b_p*(h₂-h₁))/(log((r₂/r₁),10)) --> (2.72*11.25*2.36*(17.8644-17.85))/(log((10/1.07),10))

Evaluating ... ...

Qcaq = 1.00935390399375

STEP 3: Convert Result to Output's Unit

1.00935390399375 Cubic Meter per Second --> No Conversion Required

FINAL ANSWER

1.00935390399375 ≈ 1.009354 Cubic Meter per Second <-- Confined Aquifer Discharge given Depth of Water

(Calculation completed in 00.020 seconds)

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Created by Suraj Kumar

Birsa Institute of Technology (BIT), Sindri

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< Aquifer Discharge Calculators

Discharge in Confined Aquifer

LaTeX Go Discharge in Confined Aquifer = (2*pi*Coefficient of Permeability in Well Hydraulics*Aquifer Thickness*(Initial Aquifer Thickness-Depth of Water))/(log((Radius of Influence/Radius of Well),e))

Discharge in Confined Aquifer given Coefficient of Transmissibility

LaTeX Go Discharge given Coefficient of Transmissibility = (2*pi*Coefficient of Transmissibility in Enviro. Eng.*(Initial Aquifer Thickness-Depth of Water))/(log((Radius of Influence/Radius of Well),e))

Discharge in Confined Aquifer with Base 10

LaTeX Go Discharge = (2.72*Coefficient of Permeability*Aquifer Thickness*(Initial Aquifer Thickness-Depth of Water))/(log((Radius of Influence/Radius of Well),10))

Discharge in Confined Aquifer with Base 10 given Coefficient of Transmissibility

LaTeX Go Discharge in Confined Aquifer = (2.72*Coefficient of Transmissibility in Enviro. Eng.*(Initial Aquifer Thickness-Depth of Water))/(log((Radius of Influence/Radius of Well),10))

Confined Aquifer Discharge given Depth of Water in Two Wells Formula

LaTeX Go

What is Confined Aquifer?

A confined aquifer is an aquifer below the land surface that is saturated with water. Layers of impermeable material are both above and below the aquifer, causing it to be under pressure so that when the aquifer is penetrated by a well, the water will rise above the top of the aquifer.

How to Calculate Confined Aquifer Discharge given Depth of Water in Two Wells?

Confined Aquifer Discharge given Depth of Water in Two Wells calculator uses Confined Aquifer Discharge given Depth of Water = (2.72*Coefficient of Permeability*Aquifer Thickness During Pumping*(Depth of Water 2-Depth of Water 1))/(log((Radial Distance at Observation Well 2/Radial Distance at Observation Well 1),10)) to calculate the Confined Aquifer Discharge given Depth of Water, The Confined Aquifer Discharge given Depth of Water in Two Wells formula is defined as the calculation of the amount of water that is released from a confined aquifer, a type of groundwater storage that is trapped between layers of impermeable rock or clay. Confined Aquifer Discharge given Depth of Water is denoted by Qcaq symbol.

How to calculate Confined Aquifer Discharge given Depth of Water in Two Wells using this online calculator? To use this online calculator for Confined Aquifer Discharge given Depth of Water in Two Wells, enter Coefficient of Permeability (K_w), Aquifer Thickness During Pumping (b_p), Depth of Water 2 (h₂), Depth of Water 1 (h₁), Radial Distance at Observation Well 2 (r₂) & Radial Distance at Observation Well 1 (r₁) and hit the calculate button. Here is how the Confined Aquifer Discharge given Depth of Water in Two Wells calculation can be explained with given input values -> 0.897203 = (2.72*11.25*2.36*(17.8644-17.85))/(log((10/1.07),10)).

FAQ

What is Confined Aquifer Discharge given Depth of Water in Two Wells?

The Confined Aquifer Discharge given Depth of Water in Two Wells formula is defined as the calculation of the amount of water that is released from a confined aquifer, a type of groundwater storage that is trapped between layers of impermeable rock or clay and is represented as Qcaq = (2.72*K_w*b_p*(h₂-h₁))/(log((r₂/r₁),10)) or Confined Aquifer Discharge given Depth of Water = (2.72*Coefficient of Permeability*Aquifer Thickness During Pumping*(Depth of Water 2-Depth of Water 1))/(log((Radial Distance at Observation Well 2/Radial Distance at Observation Well 1),10)). Coefficient of Permeability is the velocity in meters or centimeters per second of water through soils, Aquifer Thickness During Pumping is the thickness of aquifer during pumping stage, Depth of water 2 means the depth of the water in 2nd well, Depth of Water 1 is the depth of water in the 1st considered well, Radial Distance at Observation Well 2 is the value of radial distance from well 2 when we have prior information of other parameters used & Radial Distance at Observation Well 1 is the value of radial distance from well 1 when we have prior information of other parameters used.

How to calculate Confined Aquifer Discharge given Depth of Water in Two Wells?

The Confined Aquifer Discharge given Depth of Water in Two Wells formula is defined as the calculation of the amount of water that is released from a confined aquifer, a type of groundwater storage that is trapped between layers of impermeable rock or clay is calculated using Confined Aquifer Discharge given Depth of Water = (2.72*Coefficient of Permeability*Aquifer Thickness During Pumping*(Depth of Water 2-Depth of Water 1))/(log((Radial Distance at Observation Well 2/Radial Distance at Observation Well 1),10)). To calculate Confined Aquifer Discharge given Depth of Water in Two Wells, you need Coefficient of Permeability (K_w), Aquifer Thickness During Pumping (b_p), Depth of Water 2 (h₂), Depth of Water 1 (h₁), Radial Distance at Observation Well 2 (r₂) & Radial Distance at Observation Well 1 (r₁). With our tool, you need to enter the respective value for Coefficient of Permeability, Aquifer Thickness During Pumping, Depth of Water 2, Depth of Water 1, Radial Distance at Observation Well 2 & Radial Distance at Observation Well 1 and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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