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Snyder's Equation for Peak Discharge Formula

GoPeak Discharge for Nonstandard Effective Rainfall Formula

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

Q p = 2.78 \cdot C p \cdot \frac{A}{t p}

Q_p - Peak Discharge?C_p - Regional Constant (Snyder)?A - Area of Catchment?t_p - Basin Lag?

Snyder's Equation for Peak Discharge Example

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With units

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Here is how the Snyder's Equation for Peak Discharge equation looks like with Values.

Here is how the Snyder's Equation for Peak Discharge equation looks like with Units.

Here is how the Snyder's Equation for Peak Discharge equation looks like.

0.834 = 2.78 \cdot 0.6 \cdot \frac{3}{6}

0.834m³/s = 2.78 \cdot 0.6 \cdot \frac{3km²}{6h}

0.834 = 2.78 \cdot 0.6 \cdot \frac{3}{6}

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Snyder's Equation for Peak Discharge Solution

Follow our step by step solution on how to calculate Snyder's Equation for Peak Discharge?

FIRST Step Consider the formula

Q p = 2.78 \cdot C p \cdot \frac{A}{t p}

Next Step Substitute values of Variables

∴

Q p = 2.78 \cdot 0.6 \cdot \frac{3km²}{6h}

Next Step Prepare to Evaluate

∴

Q p = 2.78 \cdot 0.6 \cdot \frac{3}{6}

LAST Step Evaluate

∴

Q p = 0.834m³/s

Snyder's Equation for Peak Discharge Formula Elements

Variables

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

Regional Constant (Snyder)

Regional Constant (Snyder) is considered an indication of the retention and storage capacity of the watershed.

Symbol: C_p

Measurement: NAUnit: Unitless

Note: Value should be between 0.56 to 0.69.

Formulas to find Regional Constant (Snyder)

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

Basin Lag

Basin Lag is the elapsed time between the occurrences of the centroids of the effective rainfall.

Symbol: t_p

Measurement: TimeUnit: h

Note: Value should be greater than 0.

Formulas to find Basin Lag

Other Formulas to find Peak Discharge

Go Peak Discharge for Nonstandard Effective Rainfall

Q p = 2.78 \cdot C p \cdot \frac{A}{t' p}

Other formulas in Synder's Synthetic Unit Hydrograph category

Go Regional Constant given Peak Discharge for Nonstandard Effective Rainfall

C p = Q p \cdot \frac{t' p}{2.78 \cdot A}

Go Catchment Area given Peak Discharge for Nonstandard Effective Rainfall

A = Q p \cdot \frac{t' p}{2.78 \cdot C r}

Go Modified Basin Lag given Peak Discharge for Nonstandard Effective Rainfall

t' p = 2.78 \cdot C r \cdot \frac{A}{Q p}

Go Basin Lag given Modified Basin Lag

t p = \frac{t' p - (\frac{t R}{4})}{\frac{21}{22}}

How to Evaluate Snyder's Equation for Peak Discharge?

Snyder's Equation for Peak Discharge evaluator uses Peak Discharge = 2.78*Regional Constant (Snyder)*Area of Catchment/Basin Lag to evaluate the Peak Discharge, The Snyder's Equation for Peak Discharge formula is defined as the maximum volume flow rate passing a particular location during a storm event. Peak Discharge is denoted by Q_p symbol.

How to evaluate Snyder's Equation for Peak Discharge using this online evaluator? To use this online evaluator for Snyder's Equation for Peak Discharge, enter Regional Constant (Snyder) (C_p), Area of Catchment (A) & Basin Lag (t_p) and hit the calculate button.

FAQs on Snyder's Equation for Peak Discharge

What is the formula to find Snyder's Equation for Peak Discharge?

The formula of Snyder's Equation for Peak Discharge is expressed as Peak Discharge = 2.78*Regional Constant (Snyder)*Area of Catchment/Basin Lag. Here is an example- 0.834 = 2.78*0.6*3000000/21600.

How to calculate Snyder's Equation for Peak Discharge?

With Regional Constant (Snyder) (C_p), Area of Catchment (A) & Basin Lag (t_p) we can find Snyder's Equation for Peak Discharge using the formula - Peak Discharge = 2.78*Regional Constant (Snyder)*Area of Catchment/Basin Lag.

What are the other ways to Calculate Peak Discharge?

Here are the different ways to Calculate Peak Discharge-

Peak Discharge=2.78*Regional Constant (Snyder)*Area of Catchment/Modified Basin Lag

Can the Snyder's Equation for Peak Discharge be negative?

Yes, the Snyder's Equation for Peak Discharge, measured in Volumetric Flow Rate can be negative.

Which unit is used to measure Snyder's Equation for Peak Discharge?

Snyder's Equation for Peak Discharge 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 Snyder's Equation for Peak Discharge can be measured.

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