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Modified Equation for Basin Lag Formula

GoBasin Lag given Modified Basin Lag Formula

GoBasin Lag given Modified Basin Lag for Effective Duration Formula

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

t p = C rL \cdot {(L b \cdot \frac{L ca}{\sqrt{S B}})}^{n B}

t_p - Basin Lag?C_rL - Basin Constant?L_b - Length of Basin?L_ca - Distance along Main Water Course?S_B - Basin Slope?n_B - Basin Constant 'n'?

Modified Equation for Basin Lag Example

With values

With units

Only example

Here is how the Modified Equation for Basin Lag equation looks like with Values.

Here is how the Modified Equation for Basin Lag equation looks like with Units.

Here is how the Modified Equation for Basin Lag equation looks like.

0.0363 = 1.03 \cdot {(30 \cdot \frac{12}{\sqrt{1.1}})}^{0.38}

0.0363h = 1.03 \cdot {(30m \cdot \frac{12km}{\sqrt{1.1}})}^{0.38}

0.0363 = 1.03 \cdot {(30 \cdot \frac{12}{\sqrt{1.1}})}^{0.38}

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Modified Equation for Basin Lag Solution

Follow our step by step solution on how to calculate Modified Equation for Basin Lag?

FIRST Step Consider the formula

t p = C rL \cdot {(L b \cdot \frac{L ca}{\sqrt{S B}})}^{n B}

Next Step Substitute values of Variables

∴

t p = 1.03 \cdot {(30m \cdot \frac{12km}{\sqrt{1.1}})}^{0.38}

Next Step Convert Units

∴

t p = 1.03 \cdot {(30m \cdot \frac{12000m}{\sqrt{1.1}})}^{0.38}

Next Step Prepare to Evaluate

∴

t p = 1.03 \cdot {(30 \cdot \frac{12000}{\sqrt{1.1}})}^{0.38}

Next Step Evaluate

∴

t p = 130.72768328481s

Next Step Convert to Output's Unit

∴

t p = 0.0363132453568916h

LAST Step Rounding Answer

∴

t p = 0.0363h

Modified Equation for Basin Lag Formula Elements

Variables

Functions

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

Basin Constant

Basin Constant to determine the base lag with respect to basin slope.

Symbol: C_rL

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Basin Constant

Length of Basin

Length of Basin refers to the distance from one end of the basin to the other, typically measured along the longest axis.

Symbol: L_b

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Length of Basin

Distance along Main Water Course

Distance along Main Water Course from the gauging station to a point opposite to the watershed centroid in km.

Symbol: L_ca

Measurement: LengthUnit: km

Note: Value should be greater than 0.

Formulas to find Distance along Main Water Course

Basin Slope

Basin Slope of the catchment under consideration.

Symbol: S_B

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Basin Slope

Basin Constant 'n'

Basin Constant 'n' to determine the base lag with respect to basin slope.

Symbol: n_B

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Basin Constant 'n'

sqrt

A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.

Syntax: sqrt(Number)

Other Formulas to find Basin Lag

Go Basin Lag given Modified Basin Lag

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

Go Basin Lag given Modified Basin Lag for Effective Duration

t p = \frac{4 \cdot t' p + t r - t R}{4}

Go Basin Lag given Standard Duration of Effective Rainfall

t p = 5.5 \cdot t r

Go Basin Lag given Peak Discharge

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

Other formulas in Synder's Synthetic Unit Hydrograph category

Go Peak Discharge for Nonstandard Effective Rainfall

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

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}

How to Evaluate Modified Equation for Basin Lag?

Modified Equation for Basin Lag evaluator uses Basin Lag = Basin Constant*(Length of Basin*Distance along Main Water Course/sqrt(Basin Slope))^Basin Constant 'n' to evaluate the Basin Lag, The Modified Equation for Basin Lag formula is defined as the modified elapsed time between the occurrences of the centroids of the effective rainfall. Basin Lag is denoted by t_p symbol.

How to evaluate Modified Equation for Basin Lag using this online evaluator? To use this online evaluator for Modified Equation for Basin Lag, enter Basin Constant (C_rL), Length of Basin (L_b), Distance along Main Water Course (L_ca), Basin Slope (S_B) & Basin Constant 'n' (n_B) and hit the calculate button.

FAQs on Modified Equation for Basin Lag

What is the formula to find Modified Equation for Basin Lag?

The formula of Modified Equation for Basin Lag is expressed as Basin Lag = Basin Constant*(Length of Basin*Distance along Main Water Course/sqrt(Basin Slope))^Basin Constant 'n'. Here is an example- 1E-5 = 1.03*(30*12000/sqrt(1.1))^0.38.

How to calculate Modified Equation for Basin Lag?

With Basin Constant (C_rL), Length of Basin (L_b), Distance along Main Water Course (L_ca), Basin Slope (S_B) & Basin Constant 'n' (n_B) we can find Modified Equation for Basin Lag using the formula - Basin Lag = Basin Constant*(Length of Basin*Distance along Main Water Course/sqrt(Basin Slope))^Basin Constant 'n'. This formula also uses Square Root (sqrt) function(s).

What are the other ways to Calculate Basin Lag?

Here are the different ways to Calculate Basin Lag-

Basin Lag=(Modified Basin Lag-(Non-standard rainfall duration/4))/(21/22)
Basin Lag=(4*Modified Basin Lag+Standard Duration of Effective Rainfall-Non-standard rainfall duration)/4
Basin Lag=5.5*Standard Duration of Effective Rainfall

Can the Modified Equation for Basin Lag be negative?

No, the Modified Equation for Basin Lag, measured in Time cannot be negative.

Which unit is used to measure Modified Equation for Basin Lag?

Modified Equation for Basin Lag is usually measured using the Hour[h] for Time. Second[h], Millisecond[h], Microsecond[h] are the few other units in which Modified Equation for Basin Lag can be measured.

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Modified Equation for Basin Lag Formula

​GoBasin Lag given Modified Basin Lag Formula

​GoBasin Lag given Modified Basin Lag for Effective Duration Formula

Modified Equation for Basin Lag Example

Modified Equation for Basin Lag Solution

Modified Equation for Basin Lag Formula Elements

Other Formulas to find Basin Lag

Other formulas in Synder's Synthetic Unit Hydrograph category

How to Evaluate Modified Equation for Basin Lag?

FAQs on Modified Equation for Basin Lag

Variable Name

GoBasin Lag given Modified Basin Lag Formula

GoBasin Lag given Modified Basin Lag for Effective Duration Formula