S Curve at any time Solution

STEP 0: Pre-Calculation Summary
Formula Used
S-Curve at Time 't' = Ordinates of Unit Hydrograph+S-Curve Addition
St = Ut+StD
This formula uses 3 Variables
Variables Used
S-Curve at Time 't' - (Measured in Hour) - S-Curve at time 't' for the construction of S-curve.
Ordinates of Unit Hydrograph - (Measured in Hour) - Ordinates of Unit Hydrograph with respect to time 't'.
S-Curve Addition - (Measured in Hour) - S-Curve Addition at time 't' for the construction of S-curve.
STEP 1: Convert Input(s) to Base Unit
Ordinates of Unit Hydrograph: 4 Hour --> 4 Hour No Conversion Required
S-Curve Addition: 24 Hour --> 24 Hour No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
St = Ut+StD --> 4+24
Evaluating ... ...
St = 28
STEP 3: Convert Result to Output's Unit
100800 Second -->28 Hour (Check conversion here)
FINAL ANSWER
28 Hour <-- S-Curve at Time 't'
(Calculation completed in 00.004 seconds)

Credits

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Coorg Institute of Technology (CIT), Coorg
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7 The S-Curve Calculators

Equilibrium Discharge from S Curve
Go Equilibrium Discharge = (Area of Catchment/Duration of Excess Rainfall)*10^4
Area of Catchment given Maximum Rate of Discharge from S-Curve
Go Area of Catchment = Equilibrium Discharge*Duration of Excess Rainfall/2.778
Duration of ER given Maximum Rate of Discharge from S-Curve
Go Duration of Excess Rainfall = 2.778*Area of Catchment/Equilibrium Discharge
Maximum Rate of Discharge from S-Curve
Go Equilibrium Discharge = 2.778*Area of Catchment/Duration of Excess Rainfall
Ordinates of Unit Hydrograph for S-Curve at Certain Time
Go Ordinates of Unit Hydrograph = S-Curve at Time 't'-S-Curve Addition
S Curve at any time
Go S-Curve at Time 't' = Ordinates of Unit Hydrograph+S-Curve Addition
S-Curve Addition
Go S-Curve Addition = S-Curve at Time 't'-Ordinates of Unit Hydrograph

S Curve at any time Formula

S-Curve at Time 't' = Ordinates of Unit Hydrograph+S-Curve Addition
St = Ut+StD

What is S-curve method in Hydrograph?

The S-curve is a method of deriving a unit hydrograph for a desired duration from one or another duration through the use of an S-curve. It is a graph showing the summation of the ordinates of a series of unit hydrographs spaced at unit-rainfall duration intervals. It represents the hydrograph of the unit rate of rainfall excess continued indefinitely.

What is meant by Unit Hydrograph?

A unit hydrograph is a direct runoff hydrograph resulting from one unit (one inch or one cm) of constant intensity uniform rainfall occurring over the entire watershed. The role of unit hydrograph in hydrology is to provide an estimate of direct runoff hydrograph resulting from a given excess rainfall hyetograph.

How to Calculate S Curve at any time?

S Curve at any time calculator uses S-Curve at Time 't' = Ordinates of Unit Hydrograph+S-Curve Addition to calculate 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 calculate S Curve at any time using this online calculator? To use this online calculator for S Curve at any time, enter Ordinates of Unit Hydrograph (Ut) & S-Curve Addition (StD) and hit the calculate button. Here is how the S Curve at any time calculation can be explained with given input values -> 0.007778 = 14400+86400.

FAQ

What is S Curve at any time?
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 and is represented as St = Ut+StD or S-Curve at Time 't' = Ordinates of Unit Hydrograph+S-Curve Addition. Ordinates of Unit Hydrograph with respect to time 't' & S-Curve Addition at time 't' for the construction of S-curve.
How to calculate S Curve at any time?
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 is calculated using S-Curve at Time 't' = Ordinates of Unit Hydrograph+S-Curve Addition. To calculate S Curve at any time, you need Ordinates of Unit Hydrograph (Ut) & S-Curve Addition (StD). With our tool, you need to enter the respective value for Ordinates of Unit Hydrograph & S-Curve Addition 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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