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Peak discharge of a D-h Unit hydrograph is the maximum volume flow rate displays in a unit hydrograph. Check FAQs
Qpd=1.79A34
Qpd - Peak discharge of a D-h Unit hydrograph?A - Area of Catchment?

Peak Discharge of D-h Unit Hydrograph Example

With values
With units
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Here is how the Peak Discharge of D-h Unit Hydrograph equation looks like with Values.

Here is how the Peak Discharge of D-h Unit Hydrograph equation looks like with Units.

Here is how the Peak Discharge of D-h Unit Hydrograph equation looks like.

129030.9729Edit=1.793Edit34
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Peak Discharge of D-h Unit Hydrograph Solution

Follow our step by step solution on how to calculate Peak Discharge of D-h Unit Hydrograph?

FIRST Step Consider the formula
Qpd=1.79A34
Next Step Substitute values of Variables
Qpd=1.793km²34
Next Step Convert Units
Qpd=1.793E+634
Next Step Prepare to Evaluate
Qpd=1.793E+634
Next Step Evaluate
Qpd=129030.972939036m³/s
LAST Step Rounding Answer
Qpd=129030.9729m³/s

Peak Discharge of D-h Unit Hydrograph Formula Elements

Variables
Peak discharge of a D-h Unit hydrograph
Peak discharge of a D-h Unit hydrograph is the maximum volume flow rate displays in a unit hydrograph.
Symbol: Qpd
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Area of Catchment
Area of Catchment is the geographical area from which water flows into a particular point, such as a well, stream, or reservoir.
Symbol: A
Measurement: AreaUnit: km²
Note: Value should be greater than 0.

Other Formulas to find Peak discharge of a D-h Unit hydrograph

​Go Peak Discharge of D-h Unit Hydrograph for Weighted Mean Slope Lesser than 0.0028
Qpd=37.4A34Sm23
​Go Peak Discharge of D-h Unit Hydrograph given Lag Time
Qpd=(A)(1.56Tp1)10.9

Other formulas in The Indian Practice category

​Go Catchment Area given Peak Discharge of D-h Unit Hydrograph
A=(Qpd1.79)43
​Go Weighted Mean Slope given Peak Discharge of D-h Unit Hydrograph
Sm=(Qpd37.4A34)32
​Go Catchment Area for Peak Discharge of Weighted Mean Slope Lesser than 0.0028
A=(Qpd37.4Sm23)43
​Go Lag Time of 1-h Unit Hydrograph
Tp1=1.56(QpdA)0.9

How to Evaluate Peak Discharge of D-h Unit Hydrograph?

Peak Discharge of D-h Unit Hydrograph evaluator uses Peak discharge of a D-h Unit hydrograph = 1.79*Area of Catchment^(3/4) to evaluate the Peak discharge of a D-h Unit hydrograph, The Peak Discharge of D-h Unit Hydrograph formula is defined as the maximum volume flow rate passing a particular location during a storm event. Peak discharge of a D-h Unit hydrograph is denoted by Qpd symbol.

How to evaluate Peak Discharge of D-h Unit Hydrograph using this online evaluator? To use this online evaluator for Peak Discharge of D-h Unit Hydrograph, enter Area of Catchment (A) and hit the calculate button.

FAQs on Peak Discharge of D-h Unit Hydrograph

What is the formula to find Peak Discharge of D-h Unit Hydrograph?
The formula of Peak Discharge of D-h Unit Hydrograph is expressed as Peak discharge of a D-h Unit hydrograph = 1.79*Area of Catchment^(3/4). Here is an example- 129031 = 1.79*3000000^(3/4).
How to calculate Peak Discharge of D-h Unit Hydrograph?
With Area of Catchment (A) we can find Peak Discharge of D-h Unit Hydrograph using the formula - Peak discharge of a D-h Unit hydrograph = 1.79*Area of Catchment^(3/4).
What are the other ways to Calculate Peak discharge of a D-h Unit hydrograph?
Here are the different ways to Calculate Peak discharge of a D-h Unit hydrograph-
  • Peak discharge of a D-h Unit hydrograph=37.4*Area of Catchment^(3/4)*Weighted Mean Slope^(2/3)OpenImg
  • Peak discharge of a D-h Unit hydrograph=(Area of Catchment)*(1.56/Lag Time of a 1-h Unit Hydrograph)^(1/0.9)OpenImg
Can the Peak Discharge of D-h Unit Hydrograph be negative?
No, the Peak Discharge of D-h Unit Hydrograph, measured in Volumetric Flow Rate cannot be negative.
Which unit is used to measure Peak Discharge of D-h Unit Hydrograph?
Peak Discharge of D-h Unit Hydrograph is usually measured using the Cubic Meter per Second[m³/s] for Volumetric Flow Rate. Cubic Meter per Day[m³/s], Cubic Meter per Hour[m³/s], Cubic Meter per Minute[m³/s] are the few other units in which Peak Discharge of D-h Unit Hydrograph can be measured.
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