Peak Discharge Equation based on Field Application Solution

STEP 0: Pre-Calculation Summary
Formula Used
Peak Discharge = (1/3.6)*Runoff Coefficient*Mean Intensity of Precipitation*Drainage Area
Qp = (1/3.6)*Cr*itcp*AD
This formula uses 4 Variables
Variables Used
Peak Discharge - (Measured in Cubic Meter per Second) - Peak Discharge is the maximum volume flow rate passing a particular location during an event.
Runoff Coefficient - Runoff Coefficient is a dimensionless coefficient relating the amount of runoff to the amount of precipitation received.
Mean Intensity of Precipitation - (Measured in Meter per Second) - Mean Intensity of Precipitation (mm/hr) for a duration equal to tc and an exceedance probability P.
Drainage Area - (Measured in Square Meter) - 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.
STEP 1: Convert Input(s) to Base Unit
Runoff Coefficient: 0.5 --> No Conversion Required
Mean Intensity of Precipitation: 5.76 Millimeter per Hour --> 1.6E-06 Meter per Second (Check conversion ​here)
Drainage Area: 18 Square Kilometer --> 18000000 Square Meter (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Qp = (1/3.6)*Cr*itcp*AD --> (1/3.6)*0.5*1.6E-06*18000000
Evaluating ... ...
Qp = 4
STEP 3: Convert Result to Output's Unit
4 Cubic Meter per Second --> No Conversion Required
FINAL ANSWER
4 Cubic Meter per Second <-- Peak Discharge
(Calculation completed in 00.004 seconds)

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Rational Method to Estimate the Flood Peak Calculators

Intensity of Rainfall when Peak Discharge is Considered
​ LaTeX ​ Go Intensity of Rainfall = Peak Discharge/(Runoff Coefficient*Drainage Area)
Coefficient of Runoff when Peak Value is Considered
​ LaTeX ​ Go Runoff Coefficient = Peak Discharge/(Drainage Area*Intensity of Rainfall)
Drainage Area when Peak Discharge is Considered
​ LaTeX ​ Go Drainage Area = Peak Discharge/(Intensity of Rainfall*Runoff Coefficient)
Value of Peak Discharge
​ LaTeX ​ Go Peak Discharge = Runoff Coefficient*Drainage Area*Intensity of Rainfall

Peak Discharge Equation based on Field Application Formula

​LaTeX ​Go
Peak Discharge = (1/3.6)*Runoff Coefficient*Mean Intensity of Precipitation*Drainage Area
Qp = (1/3.6)*Cr*itcp*AD

What is Peak Discharge?

Peak Discharge is the maximum volume flow rate passing a particular location during a storm event. Peak discharge occurs when the river reaches its highest level.

What is Basin lag?

The time difference between the peak of the rain event and the peak discharge is known as the lag time or basin lag

How to Calculate Peak Discharge Equation based on Field Application?

Peak Discharge Equation based on Field Application calculator uses Peak Discharge = (1/3.6)*Runoff Coefficient*Mean Intensity of Precipitation*Drainage Area to calculate 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 calculate Peak Discharge Equation based on Field Application using this online calculator? To use this online calculator 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. Here is how the Peak Discharge Equation based on Field Application calculation can be explained with given input values -> 4 = (1/3.6)*0.5*1.6E-06*18000000.

FAQ

What is Peak Discharge Equation based on Field Application?
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 and is represented as Qp = (1/3.6)*Cr*itcp*AD or Peak Discharge = (1/3.6)*Runoff Coefficient*Mean Intensity of Precipitation*Drainage Area. Runoff Coefficient is a dimensionless coefficient relating the amount of runoff to the amount of precipitation received, Mean Intensity of Precipitation (mm/hr) for a duration equal to tc and an exceedance probability P & 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.
How to calculate Peak Discharge Equation based on Field Application?
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 is calculated using Peak Discharge = (1/3.6)*Runoff Coefficient*Mean Intensity of Precipitation*Drainage Area. To calculate Peak Discharge Equation based on Field Application, you need Runoff Coefficient (Cr), Mean Intensity of Precipitation (itcp) & Drainage Area (AD). With our tool, you need to enter the respective value for Runoff Coefficient, Mean Intensity of Precipitation & Drainage Area and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Peak Discharge?
In this formula, Peak Discharge uses Runoff Coefficient, Mean Intensity of Precipitation & Drainage Area. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Peak Discharge = Runoff Coefficient*Drainage Area*Intensity of Rainfall
  • Peak Discharge = (1/3.6)*Runoff Coefficient*Mean Intensity of Precipitation*Drainage Area
  • Peak Discharge = Runoff Coefficient*Drainage Area*Intensity of Rainfall
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