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S Curve at any time Formula

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S-Curve at Time 't' is the cumulative drawdown or recovery of groundwater levels over a period, typically due to pumping from wells or injection activities. Check FAQs
St=Ut+StD
St - S-Curve at Time 't'?Ut - Ordinates of Unit Hydrograph?StD - S-Curve Addition?

S Curve at any time Example

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With units
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Here is how the S Curve at any time equation looks like with Values.

Here is how the S Curve at any time equation looks like with Units.

Here is how the S Curve at any time equation looks like.

28Edit=4Edit+24Edit
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S Curve at any time Solution

Follow our step by step solution on how to calculate S Curve at any time?

FIRST Step Consider the formula
St=Ut+StD
Next Step Substitute values of Variables
∴ St=4h+24h
Next Step Prepare to Evaluate
∴ St=4+24
Next Step Evaluate
∴St=100800s
LAST Step Convert to Output's Unit
∴St=28h

S Curve at any time Formula Elements

Variables
S-Curve at Time 't'
S-Curve at Time 't' is the cumulative drawdown or recovery of groundwater levels over a period, typically due to pumping from wells or injection activities.
Symbol: St
Measurement: TimeUnit: h
Note: Value can be positive or negative.
Formulas to find S-Curve at Time 't'Open Variable
Ordinates of Unit Hydrograph
Ordinates of Unit Hydrograph is the runoff discharge values over time after a unit input of effective rainfall. These values typically show how runoff responds and peaks after a storm event.
Symbol: Ut
Measurement: TimeUnit: h
Note: Value can be positive or negative.
Formulas to find Ordinates of Unit HydrographOpen Variable
S-Curve Addition
S-Curve Addition is a method or concept related to the analysis and interpretation of pumping test data and used for the construction of S-curve.
Symbol: StD
Measurement: TimeUnit: h
Note: Value can be positive or negative.
Formulas to find S-Curve AdditionOpen Variable

Other formulas in The S Curve category

​Go S-Curve Addition
StD=St-Ut
​Go Ordinates of Unit Hydrograph for S-Curve at Certain Time
Ut=St-StD
​Go Equilibrium Discharge from S Curve
Qs=(ATer)⋅104
​Go Maximum Rate of Discharge from S-Curve
Qs=2.778⋅ADr

How to Evaluate S Curve at any time?

S Curve at any time evaluator uses S-Curve at Time 't' = Ordinates of Unit Hydrograph+S-Curve Addition to evaluate the S-Curve at Time 't', The S Curve at any time formula is defined as the summation of the ordinates of a series of unit hydrographs spaced at unit-rainfall duration intervals. S-Curve at Time 't' is denoted by St symbol.

How to evaluate S Curve at any time using this online evaluator? To use this online evaluator for S Curve at any time, enter Ordinates of Unit Hydrograph (Ut) & S-Curve Addition (StD) and hit the calculate button.

FAQs on S Curve at any time

What is the formula to find S Curve at any time?
The formula of S Curve at any time is expressed as S-Curve at Time 't' = Ordinates of Unit Hydrograph+S-Curve Addition. Here is an example- 0.007778 = 14400+86400.
How to calculate S Curve at any time?
With Ordinates of Unit Hydrograph (Ut) & S-Curve Addition (StD) we can find S Curve at any time using the formula - S-Curve at Time 't' = Ordinates of Unit Hydrograph+S-Curve Addition.
Can the S Curve at any time be negative?
Yes, the S Curve at any time, measured in Time can be negative.
Which unit is used to measure S Curve at any time?
S Curve at any time is usually measured using the Hour[h] for Time. Second[h], Millisecond[h], Microsecond[h] are the few other units in which S Curve at any time can be measured.
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