Ordinates of Unit Hydrograph for S-Curve at Certain Time Solution

STEP 0: Pre-Calculation Summary
Formula Used
Ordinates of Unit Hydrograph = S-Curve at Time 't'-S-Curve Addition
Ut = St-StD
This formula uses 3 Variables
Variables Used
Ordinates of Unit Hydrograph - (Measured in Hour) - Ordinates of Unit Hydrograph with respect to time 't'.
S-Curve at Time 't' - (Measured in Hour) - S-Curve at time 't' for the construction of S-curve.
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
S-Curve at Time 't': 28 Hour --> 28 Hour No Conversion Required
S-Curve Addition: 24 Hour --> 24 Hour No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Ut = St-StD --> 28-24
Evaluating ... ...
Ut = 4
STEP 3: Convert Result to Output's Unit
14400 Second -->4 Hour (Check conversion here)
FINAL ANSWER
4 Hour <-- Ordinates of Unit Hydrograph
(Calculation completed in 00.004 seconds)

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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

Ordinates of Unit Hydrograph for S-Curve at Certain Time Formula

Ordinates of Unit Hydrograph = S-Curve at Time 't'-S-Curve Addition
Ut = St-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 Ordinates of Unit Hydrograph for S-Curve at Certain Time?

Ordinates of Unit Hydrograph for S-Curve at Certain Time calculator uses Ordinates of Unit Hydrograph = S-Curve at Time 't'-S-Curve Addition to calculate the Ordinates of Unit Hydrograph, The Ordinates of Unit Hydrograph for S-Curve at Certain Time formula is defined as temporal change in flow, or discharge, per unit of runoff. Ordinates of Unit Hydrograph is denoted by Ut symbol.

How to calculate Ordinates of Unit Hydrograph for S-Curve at Certain Time using this online calculator? To use this online calculator for Ordinates of Unit Hydrograph for S-Curve at Certain Time, enter S-Curve at Time 't' (St) & S-Curve Addition (StD) and hit the calculate button. Here is how the Ordinates of Unit Hydrograph for S-Curve at Certain Time calculation can be explained with given input values -> 0.001111 = 100800-86400.

FAQ

What is Ordinates of Unit Hydrograph for S-Curve at Certain Time?
The Ordinates of Unit Hydrograph for S-Curve at Certain Time formula is defined as temporal change in flow, or discharge, per unit of runoff and is represented as Ut = St-StD or Ordinates of Unit Hydrograph = S-Curve at Time 't'-S-Curve Addition. S-Curve at time 't' for the construction of S-curve & S-Curve Addition at time 't' for the construction of S-curve.
How to calculate Ordinates of Unit Hydrograph for S-Curve at Certain Time?
The Ordinates of Unit Hydrograph for S-Curve at Certain Time formula is defined as temporal change in flow, or discharge, per unit of runoff is calculated using Ordinates of Unit Hydrograph = S-Curve at Time 't'-S-Curve Addition. To calculate Ordinates of Unit Hydrograph for S-Curve at Certain Time, you need S-Curve at Time 't' (St) & S-Curve Addition (StD). With our tool, you need to enter the respective value for S-Curve at Time 't' & 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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