✖The Pumping Rate is referred as volume of water (or other fluid) that is pumped per unit of time. It’s typically measured in units like liters per second (L/s) or cubic meters per hour (m³/h).ⓘ Pumping Rate [q]			+10% -10%
✖The Drawdown Across Log Cycle is referred as change in water level (or hydraulic head) in an aquifer due to pumping from a well.ⓘ Drawdown Across Log Cycle [Δs_D]			+10% -10%

✖Transmissivity is the rate at which groundwater flows horizontally through an aquifer or the degree to which a medium allows something, in particular electromagnetic radiation, to pass through it.ⓘ Transmissivity from Distance Drawdown Graphs [T]

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Formula

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Transmissivity from Distance Drawdown Graphs

Formula

`"T" = 2.3*"q"/(2*pi*"Δs"_{"D"})`

Example

`"10.9974m²/s"=2.3*"7m³/s"/(2*pi*"0.233")`

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Transmissivity from Distance Drawdown Graphs Solution

STEP 0: Pre-Calculation Summary

Formula Used

Transmissivity = 2.3*Pumping Rate/(2*pi*Drawdown Across Log Cycle)
T = 2.3*q/(2*pi*Δs_D)
This formula uses 1 Constants, 3 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Transmissivity - (Measured in Square Meter per Second) - Transmissivity is the rate at which groundwater flows horizontally through an aquifer or the degree to which a medium allows something, in particular electromagnetic radiation, to pass through it.
Pumping Rate - (Measured in Cubic Meter per Second) - The Pumping Rate is referred as volume of water (or other fluid) that is pumped per unit of time. It’s typically measured in units like liters per second (L/s) or cubic meters per hour (m³/h).
Drawdown Across Log Cycle - The Drawdown Across Log Cycle is referred as change in water level (or hydraulic head) in an aquifer due to pumping from a well.

STEP 1: Convert Input(s) to Base Unit

Pumping Rate: 7 Cubic Meter per Second --> 7 Cubic Meter per Second No Conversion Required
Drawdown Across Log Cycle: 0.233 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

T = 2.3*q/(2*pi*Δs_D) --> 2.3*7/(2*pi*0.233)

Evaluating ... ...

T = 10.9974016471224

STEP 3: Convert Result to Output's Unit

10.9974016471224 Square Meter per Second --> No Conversion Required

FINAL ANSWER

10.9974016471224 ≈ 10.9974 Square Meter per Second <-- Transmissivity

(Calculation completed in 00.004 seconds)

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< 10+ Distance Drawdown Analysis Calculators

Transmissivity given Storage Coefficient from Distance Drawdown

Go Transmissivity = (Storage Coefficient*Distance from Pumping Well to Point Intersection^2)/(2.25*Total Drawdown)

Time at which Drawdowns are measured for Storage Coefficient

Go Total Drawdown = Storage Coefficient*Distance from Pumping Well to Point Intersection^2/(2.25*Transmissivity)

Storage Coefficient from Distance-Drawdown Graphs

Go Storage Coefficient = 2.25*Transmissivity*Total Drawdown/Distance from Pumping Well to Point Intersection^2

Storage Coefficient for Inconsistent Units from Distance Drawdown Graphs

Go Storage Coefficient = Transmissivity*Total Drawdown/640*Distance from Pumping Well to Point Intersection^2

Drawdown across One Log Cycle from Distance Drawdown Graphs given Transmissivity

Go Drawdown Across Log Cycle = 2.3*Pumping Rate/(Transmissivity*2*pi)

Transmissivity from Distance Drawdown Graphs

Go Transmissivity = 2.3*Pumping Rate/(2*pi*Drawdown Across Log Cycle)

Pumping Rate from Distance Drawdown Graphs

Go Pumping Rate = Transmissivity*2*pi*Drawdown Across Log Cycle/2.3

Pumping Rate given Transmissivity for Inconsistent Units from Distance-Drawdown Graphs

Go Pumping Rate = Transmissivity*Drawdown Across One Log Cycle/70

Drawdown across One Log Cycle given Transmissivity for Inconsistent Units

Go Drawdown Across One Log Cycle = 70*Pumping Rate/Transmissivity

Transmissivity for Inconsistent Units from Distance Drawdown Graphs

Go Transmissivity = 70*Pumping Rate/Drawdown Across One Log Cycle

Transmissivity from Distance Drawdown Graphs Formula

Transmissivity = 2.3*Pumping Rate/(2*pi*Drawdown Across Log Cycle)
T = 2.3*q/(2*pi*Δs_D)

What is Transmissivity?

Transmissivity the rate at which groundwater flows horizontally through an aquifer. Transmittance, the effectiveness of transmitting radiant energy though a volume.

How to Calculate Transmissivity from Distance Drawdown Graphs?

Transmissivity from Distance Drawdown Graphs calculator uses Transmissivity = 2.3*Pumping Rate/(2*pi*Drawdown Across Log Cycle) to calculate the Transmissivity, The Transmissivity from Distance Drawdown Graphs formula is defined as the rate at which groundwater flows horizontally through an aquifer or the degree to which a medium allows something, in particular electromagnetic radiation, to pass through it. Transmissivity is denoted by T symbol.

How to calculate Transmissivity from Distance Drawdown Graphs using this online calculator? To use this online calculator for Transmissivity from Distance Drawdown Graphs, enter Pumping Rate (q) & Drawdown Across Log Cycle (Δs_D) and hit the calculate button. Here is how the Transmissivity from Distance Drawdown Graphs calculation can be explained with given input values -> 10.9974 = 2.3*7/(2*pi*0.233).

FAQ

What is Transmissivity from Distance Drawdown Graphs?

The Transmissivity from Distance Drawdown Graphs formula is defined as the rate at which groundwater flows horizontally through an aquifer or the degree to which a medium allows something, in particular electromagnetic radiation, to pass through it and is represented as T = 2.3*q/(2*pi*Δs_D) or Transmissivity = 2.3*Pumping Rate/(2*pi*Drawdown Across Log Cycle). The Pumping Rate is referred as volume of water (or other fluid) that is pumped per unit of time. It’s typically measured in units like liters per second (L/s) or cubic meters per hour (m³/h) & The Drawdown Across Log Cycle is referred as change in water level (or hydraulic head) in an aquifer due to pumping from a well.

How to calculate Transmissivity from Distance Drawdown Graphs?

The Transmissivity from Distance Drawdown Graphs formula is defined as the rate at which groundwater flows horizontally through an aquifer or the degree to which a medium allows something, in particular electromagnetic radiation, to pass through it is calculated using Transmissivity = 2.3*Pumping Rate/(2*pi*Drawdown Across Log Cycle). To calculate Transmissivity from Distance Drawdown Graphs, you need Pumping Rate (q) & Drawdown Across Log Cycle (Δs_D). With our tool, you need to enter the respective value for Pumping Rate & Drawdown Across Log Cycle 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 Transmissivity?

In this formula, Transmissivity uses Pumping Rate & Drawdown Across Log Cycle. We can use 2 other way(s) to calculate the same, which is/are as follows -

Transmissivity = (Storage Coefficient*Distance from Pumping Well to Point Intersection^2)/(2.25*Total Drawdown)
Transmissivity = 70*Pumping Rate/Drawdown Across One Log Cycle

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