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Peak Discharge is the maximum volume flow rate passing a particular location during an event. Check FAQs
Qp=(13.6)CritcpAD
Qp - Peak Discharge?Cr - Runoff Coefficient?itcp - Mean Intensity of Precipitation?AD - Drainage Area?

Peak Discharge Equation based on Field Application Example

With values
With units
Only example

Here is how the Peak Discharge Equation based on Field Application equation looks like with Values.

Here is how the Peak Discharge Equation based on Field Application equation looks like with Units.

Here is how the Peak Discharge Equation based on Field Application equation looks like.

4Edit=(13.6)0.5Edit5.76Edit18Edit
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Peak Discharge Equation based on Field Application Solution

Follow our step by step solution on how to calculate Peak Discharge Equation based on Field Application?

FIRST Step Consider the formula
Qp=(13.6)CritcpAD
Next Step Substitute values of Variables
Qp=(13.6)0.55.76mm/h18km²
Next Step Convert Units
Qp=(13.6)0.51.6E-6m/s1.8E+7
Next Step Prepare to Evaluate
Qp=(13.6)0.51.6E-61.8E+7
LAST Step Evaluate
Qp=4m³/s

Peak Discharge Equation based on Field Application Formula Elements

Variables
Peak Discharge
Peak Discharge is the maximum volume flow rate passing a particular location during an event.
Symbol: Qp
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Runoff Coefficient
Runoff Coefficient is a dimensionless coefficient relating the amount of runoff to the amount of precipitation received.
Symbol: Cr
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Mean Intensity of Precipitation
Mean Intensity of Precipitation (mm/hr) for a duration equal to tc and an exceedance probability P.
Symbol: itcp
Measurement: SpeedUnit: mm/h
Note: Value should be greater than 0.
Drainage Area
Drainage Area is the total surface area, where the water from rain which is not absorbed into the ground flows over the ground surface, back into streams, to finally reach that point.
Symbol: AD
Measurement: AreaUnit: km²
Note: Value can be positive or negative.

Other Formulas to find Peak Discharge

​Go Value of Peak Discharge
Qp=CrADi
​Go Peak Discharge for Field Application
Qp=(13.6)CritcpAD
​Go Peak value of runoff
Qp=CrADi

Other formulas in Rational Method to Estimate the Flood Peak category

​Go Coefficient of Runoff when Peak Value is Considered
Cr=QpADi
​Go Drainage Area when Peak Discharge is Considered
AD=QpiCr
​Go Intensity of Rainfall when Peak Discharge is Considered
i=QpCrAD
​Go Coefficient of Runoff when Peak Discharge for Field Application is Considered
Cr=Qp(13.6)itcpAD

How to Evaluate Peak Discharge Equation based on Field Application?

Peak Discharge Equation based on Field Application evaluator uses Peak Discharge = (1/3.6)*Runoff Coefficient*Mean Intensity of Precipitation*Drainage Area to evaluate the Peak Discharge, The Peak Discharge Equation based on Field Application formula is defined as the time when the river reaches its highest flow depending on the parameters of Coefficient of Runoff, mean Intensity of Precipitation and Drainage area. Peak Discharge is denoted by Qp symbol.

How to evaluate Peak Discharge Equation based on Field Application using this online evaluator? To use this online evaluator for Peak Discharge Equation based on Field Application, enter Runoff Coefficient (Cr), Mean Intensity of Precipitation (itcp) & Drainage Area (AD) and hit the calculate button.

FAQs on Peak Discharge Equation based on Field Application

What is the formula to find Peak Discharge Equation based on Field Application?
The formula of Peak Discharge Equation based on Field Application is expressed as Peak Discharge = (1/3.6)*Runoff Coefficient*Mean Intensity of Precipitation*Drainage Area. Here is an example- 4 = (1/3.6)*0.5*1.6E-06*18000000.
How to calculate Peak Discharge Equation based on Field Application?
With Runoff Coefficient (Cr), Mean Intensity of Precipitation (itcp) & Drainage Area (AD) we can find Peak Discharge Equation based on Field Application using the formula - Peak Discharge = (1/3.6)*Runoff Coefficient*Mean Intensity of Precipitation*Drainage Area.
What are the other ways to Calculate Peak Discharge?
Here are the different ways to Calculate Peak Discharge-
  • Peak Discharge=Runoff Coefficient*Drainage Area*Intensity of RainfallOpenImg
  • Peak Discharge=(1/3.6)*Runoff Coefficient*Mean Intensity of Precipitation*Drainage AreaOpenImg
  • Peak Discharge=Runoff Coefficient*Drainage Area*Intensity of RainfallOpenImg
Can the Peak Discharge Equation based on Field Application be negative?
No, the Peak Discharge Equation based on Field Application, measured in Volumetric Flow Rate cannot be negative.
Which unit is used to measure Peak Discharge Equation based on Field Application?
Peak Discharge Equation based on Field Application 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 Equation based on Field Application can be measured.
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