Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer Calculator

✖Thickness of aquifer refers to the vertical distance between the top and bottom boundaries of the water-bearing layer, typically measured from the confining bed above to the confining bed below.ⓘ Thickness of Aquifer [H]			+10% -10%
✖Depth of Water in Well 2 refers to the vertical distance from the ground surface to the water level within a well that taps into a confined aquifer.ⓘ Depth of Water in Well 2 [h₂]			+10% -10%

✖Drawdown in Well 2 refers to the reduction in water level caused by pumping in a well.ⓘ Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer [s₂]

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Formula

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Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer

Formula

s 2 = H - h 2

Example

2.1356 m = 20 m - 17.8644 m

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Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer Solution

STEP 0: Pre-Calculation Summary

Formula Used

Drawdown in Well 2 = Thickness of Aquifer-Depth of Water in Well 2
s₂ = H-h₂
This formula uses 3 Variables

Variables Used

Drawdown in Well 2 - (Measured in Meter) - Drawdown in Well 2 refers to the reduction in water level caused by pumping in a well.
Thickness of Aquifer - (Measured in Meter) - Thickness of aquifer refers to the vertical distance between the top and bottom boundaries of the water-bearing layer, typically measured from the confining bed above to the confining bed below.
Depth of Water in Well 2 - (Measured in Meter) - Depth of Water in Well 2 refers to the vertical distance from the ground surface to the water level within a well that taps into a confined aquifer.

STEP 1: Convert Input(s) to Base Unit

Thickness of Aquifer: 20 Meter --> 20 Meter No Conversion Required
Depth of Water in Well 2: 17.8644 Meter --> 17.8644 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

s₂ = H-h₂ --> 20-17.8644

Evaluating ... ...

s₂ = 2.1356

STEP 3: Convert Result to Output's Unit

2.1356 Meter --> No Conversion Required

FINAL ANSWER

2.1356 Meter <-- Drawdown in Well 2

(Calculation completed in 00.004 seconds)

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Created by Suraj Kumar

Birsa Institute of Technology (BIT), Sindri

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< Discharge And Drawdown in Well Calculators

Drawdown in Well 1 given Aquifer Constant

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

Drawdown in Well 2 given Aquifer Constant

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

Drawdown in Well 1 given Thickness of Aquifer from Impermeable Layer

Go Drawdown in Well 1 = Thickness of Aquifer-Depth of Water in Well 1

Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer

Go Drawdown in Well 2 = Thickness of Aquifer-Depth of Water in Well 2

Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer Formula

Drawdown in Well 2 = Thickness of Aquifer-Depth of Water in Well 2
s₂ = H-h₂

What is Thickness of Aquifer?

The thickness of an aquifer refers to the vertical distance between the top and bottom boundaries of the water-bearing layer, typically measured from the confining bed above to the confining bed below. It is crucial for determining the aquifer’s capacity to store and transmit groundwater. Aquifer thickness influences water yield, hydraulic conductivity, and overall groundwater availability. Accurately measuring this thickness helps in groundwater resource management, as it impacts well design, pumping rates, and sustainable water extraction from the aquifer.

How to Calculate Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer?

Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer calculator uses Drawdown in Well 2 = Thickness of Aquifer-Depth of Water in Well 2 to calculate the Drawdown in Well 2, Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer formula is defined as the difference in height between the aquifer's top surface and the water level in a well, providing a measure of the aquifer's thickness and its impact on groundwater flow in confined aquifers. Drawdown in Well 2 is denoted by s₂ symbol.

How to calculate Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer using this online calculator? To use this online calculator for Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer, enter Thickness of Aquifer (H) & Depth of Water in Well 2 (h₂) and hit the calculate button. Here is how the Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer calculation can be explained with given input values -> 2.1356 = 20-17.8644.

FAQ

What is Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer?

Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer formula is defined as the difference in height between the aquifer's top surface and the water level in a well, providing a measure of the aquifer's thickness and its impact on groundwater flow in confined aquifers and is represented as s₂ = H-h₂ or Drawdown in Well 2 = Thickness of Aquifer-Depth of Water in Well 2. Thickness of aquifer refers to the vertical distance between the top and bottom boundaries of the water-bearing layer, typically measured from the confining bed above to the confining bed below & Depth of Water in Well 2 refers to the vertical distance from the ground surface to the water level within a well that taps into a confined aquifer.

How to calculate Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer?

Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer formula is defined as the difference in height between the aquifer's top surface and the water level in a well, providing a measure of the aquifer's thickness and its impact on groundwater flow in confined aquifers is calculated using Drawdown in Well 2 = Thickness of Aquifer-Depth of Water in Well 2. To calculate Drawdown in Well 2 given Thickness of Aquifer from Impermeable Layer, you need Thickness of Aquifer (H) & Depth of Water in Well 2 (h₂). With our tool, you need to enter the respective value for Thickness of Aquifer & Depth of Water 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 Drawdown in Well 2?

In this formula, Drawdown in Well 2 uses Thickness of Aquifer & Depth of Water in Well 2. We can use 2 other way(s) to calculate the same, which is/are as follows -

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

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