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Time of Peak given Peak Discharge Formula

GoTime of Peak or Time of Rise Formula

GoTime of Peak given Time of Recession Formula

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Time of Peak is the time interval from the start of rainfall to the peak discharge. Check FAQs

T p = 2.08 \cdot \frac{A}{Q p}

T_p - Time of Peak?A - Area of Catchment?Q_p - Peak Discharge?

Time of Peak given Peak Discharge Example

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Here is how the Time of Peak given Peak Discharge equation looks like with Values.

Here is how the Time of Peak given Peak Discharge equation looks like with Units.

Here is how the Time of Peak given Peak Discharge equation looks like.

0.0019 = 2.08 \cdot \frac{3}{0.891}

0.0019h = 2.08 \cdot \frac{3km²}{0.891m³/s}

0.0019 = 2.08 \cdot \frac{3}{0.891}

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Time of Peak given Peak Discharge Solution

Follow our step by step solution on how to calculate Time of Peak given Peak Discharge?

FIRST Step Consider the formula

T p = 2.08 \cdot \frac{A}{Q p}

Next Step Substitute values of Variables

∴

T p = 2.08 \cdot \frac{3km²}{0.891m³/s}

Next Step Prepare to Evaluate

∴

T p = 2.08 \cdot \frac{3}{0.891}

Next Step Evaluate

∴

T p = 7.003367003367s

Next Step Convert to Output's Unit

∴

T p = 0.0019453797231575h

LAST Step Rounding Answer

∴

T p = 0.0019h

Time of Peak given Peak Discharge Formula Elements

Variables

Time of Peak

Time of Peak is the time interval from the start of rainfall to the peak discharge.

Symbol: T_p

Measurement: TimeUnit: h

Note: Value should be greater than 0.

Formulas to find Time of Peak

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.

Formulas to find Area of Catchment

Peak Discharge

Peak Discharge is the maximum volume flow rate passing a particular location during an event.

Symbol: Q_p

Measurement: Volumetric Flow RateUnit: m³/s

Note: Value can be positive or negative.

Formulas to find Peak Discharge

Other Formulas to find Time of Peak

Go Time of Peak or Time of Rise

T p = (\frac{t r}{2}) + t p

Go Time of Peak given Time of Recession

T p = \frac{Tc}{1.67}

Go Time of Peak given Time of Concentration

T p = 0.6 \cdot t c + \frac{t r}{2}

Go Time of Peak given Base Length

T p = \frac{T b}{2.67}

Other formulas in SCS Triangular Unit Hydrograph category

Go Lag Time given Time of Peak

t p = T p - \frac{t r}{2}

Go Time of Recession as Suggested in SCS

Tc = 1.67 \cdot T p

Go Peak Discharge

Q p = 2.08 \cdot \frac{A}{T p}

Go Catchment Area given Peak Discharge

A = T p \cdot \frac{Q p}{2.08}

How to Evaluate Time of Peak given Peak Discharge?

Time of Peak given Peak Discharge evaluator uses Time of Peak = 2.08*Area of Catchment/Peak Discharge to evaluate the Time of Peak, The Time of Peak given Peak Discharge formula is defined as the time interval from the start of rainfall to the peak discharge. Time of Peak is denoted by T_p symbol.

How to evaluate Time of Peak given Peak Discharge using this online evaluator? To use this online evaluator for Time of Peak given Peak Discharge, enter Area of Catchment (A) & Peak Discharge (Q_p) and hit the calculate button.

FAQs on Time of Peak given Peak Discharge

What is the formula to find Time of Peak given Peak Discharge?

The formula of Time of Peak given Peak Discharge is expressed as Time of Peak = 2.08*Area of Catchment/Peak Discharge. Here is an example- 5.4E-7 = 2.08*3000000/0.891.

How to calculate Time of Peak given Peak Discharge?

With Area of Catchment (A) & Peak Discharge (Q_p) we can find Time of Peak given Peak Discharge using the formula - Time of Peak = 2.08*Area of Catchment/Peak Discharge.

What are the other ways to Calculate Time of Peak?

Here are the different ways to Calculate Time of Peak-

Time of Peak=(Standard Duration of Effective Rainfall/2)+Basin Lag
Time of Peak=Time of Recession/1.67
Time of Peak=0.6*Time of Concentration+Standard Duration of Effective Rainfall/2

Can the Time of Peak given Peak Discharge be negative?

No, the Time of Peak given Peak Discharge, measured in Time cannot be negative.

Which unit is used to measure Time of Peak given Peak Discharge?

Time of Peak given Peak Discharge is usually measured using the Hour[h] for Time. Second[h], Millisecond[h], Microsecond[h] are the few other units in which Time of Peak given Peak Discharge can be measured.

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