The image above represents storativity of a confined aquifer. To calculate the storativity of a confined aquifer, two essential parameters are needed and these parameters are Saturated Thickness of Aquifer (b)Â and Specific Storage (Ss).
The formula for calculating storativity of a confined aquifer:
S = bSs
Where:
S = Storativity of a Confined Aquifer
b = Saturated Thickness of Aquifer
Ss = Specific Storage
Let’s solve an example;
Find the storativity of a confined aquifer when the saturated thickness of aquifer is 10 and the specific storage is 2.
This implies that;
b = Saturated Thickness of Aquifer = 10
Ss = Specific Storage = 2
That is, S = bSs
S = (10)(2)
S = 20
Therefore, the storativity of a confined aquifer is 20.
Calculating the Saturated Thickness of Aquifer when the Storativity of a Confined Aquifer and the Specific Storage are Given
b = S / Ss
Where;
b = Saturated Thickness of Aquifer
S = Storativity of a Confined Aquifer
Ss = Specific Storage
Let’s solve an example;
Given that the storativity of a confined aquifer is 20 and the specific storage is 5. Find the saturated thickness of aquifer?
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This implies that;
S = Storativity of a Confined Aquifer = 20
Ss = Specific Storage = 5
This means, b = S / Ss
b = 20 / 5
b = 4
Therefore, the saturated thickness of aquifer is 4.
Read more:Â How to Calculate and Solve for Storativity of a unconfined aquifer | Aquifer Characteristics
Calculating the Specific Storage when the Storativity of a Confined Aquifer and the Saturated Thickness of Aquifer are Given
Ss  = S / b
Where;
Ss = Specific Storage
b = Saturated Thickness of Aquifer
S = Storativity of a Confined Aquifer
Let’s solve an example;
Find the Specific storage when the saturated thickness of aquifer is 50 and the storativity of a confined aquifer is 250.
This implies that;
b = Saturated Thickness of Aquifer = 50
S = Storativity of a Confined Aquifer = 250
This means, Ss  = S / b
Ss  = 250 / 50
Ss  = 5
Therefore, the specific storage is 5.
How to Calculate Storativity of a Confined Aquifer | Aquifer Characteristics Using Nickzom Calculator
Nickzom Calculator – The Calculator Encyclopedia is capable of calculating the storativity of a confined aquifer.
To get the answer and workings of the storativity of a confined aquifer using the Nickzom Calculator – The Calculator Encyclopedia. First, you need to obtain the app.
You can get this app via any of these means:
Web – https://www.nickzom.org/calculator-plus
To get access to the professional version via web, you need to register and subscribe for NGN 2,000 per annum to have utter access to all functionalities.
You can also try the demo version via https://www.nickzom.org/calculator
Android (Paid) – https://play.google.com/store/apps/details?id=org.nickzom.nickzomcalculator
Android (Free) – https://play.google.com/store/apps/details?id=com.nickzom.nickzomcalculator
Apple (Paid) – https://itunes.apple.com/us/app/nickzom-calculator/id1331162702?mt=8
Once, you have obtained the calculator encyclopedia app, proceed to the Calculator Map, then click on Geology under Add-on.
Now, Click on Aquifer Characteristics under Geology
Now, Click on Storativity of a Confined Aquifer under Aquifer Characteristics
The screenshot below displays the page or activity to enter your values, to get the answer for the storativity of a confined aquifer according to the respective parameters which are the Saturated Thickness of Aquifer (b)Â and Specific Storage (Ss).
Now, enter the values appropriately and accordingly for the parameters as required by the Saturated Thickness of Aquifer (b)Â is 10 and Specific Storage (Ss) is 2.
Finally, Click on Calculate
As you can see from the screenshot above, Nickzom Calculator– The Calculator Encyclopedia solves for the storativity of a confined aquifer and presents the formula, workings and steps too.
