Modified Equation for Basin Lag Calculator

✖Basin Constant to determine the base lag with respect to basin slope.ⓘ Basin Constant [C_rL]			+10% -10%
✖Length of Basin refers to the distance from one end of the basin to the other, typically measured along the longest axis.ⓘ Length of Basin [L_b]			+10% -10%
✖Distance along Main Water Course from the gauging station to a point opposite to the watershed centroid in km.ⓘ Distance along Main Water Course [L_ca]			+10% -10%
✖Basin Slope of the catchment under consideration.ⓘ Basin Slope [S_B]			+10% -10%
✖Basin Constant 'n' to determine the base lag with respect to basin slope.ⓘ Basin Constant 'n' [n_B]			+10% -10%

✖Basin Lag is the elapsed time between the occurrences of the centroids of the effective rainfall.ⓘ Modified Equation for Basin Lag [t_p]

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Modified Equation for Basin Lag Solution

STEP 0: Pre-Calculation Summary

Formula Used

Basin Lag = Basin Constant*(Length of Basin*Distance along Main Water Course/sqrt(Basin Slope))^Basin Constant 'n'
t_p = C_rL*(L_b*L_ca/sqrt(S_B))^n_B
This formula uses 1 Functions, 6 Variables

Functions Used

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., sqrt(Number)

Variables Used

Basin Lag - (Measured in Second) - Basin Lag is the elapsed time between the occurrences of the centroids of the effective rainfall.
Basin Constant - Basin Constant to determine the base lag with respect to basin slope.
Length of Basin - (Measured in Meter) - Length of Basin refers to the distance from one end of the basin to the other, typically measured along the longest axis.
Distance along Main Water Course - (Measured in Meter) - Distance along Main Water Course from the gauging station to a point opposite to the watershed centroid in km.
Basin Slope - Basin Slope of the catchment under consideration.
Basin Constant 'n' - Basin Constant 'n' to determine the base lag with respect to basin slope.

STEP 1: Convert Input(s) to Base Unit

Basin Constant: 1.03 --> No Conversion Required
Length of Basin: 30 Meter --> 30 Meter No Conversion Required
Distance along Main Water Course: 12 Kilometer --> 12000 Meter (Check conversion here)
Basin Slope: 1.1 --> No Conversion Required
Basin Constant 'n': 0.38 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

t_p = C_rL*(L_b*L_ca/sqrt(S_B))^n_B --> 1.03*(30*12000/sqrt(1.1))^0.38

Evaluating ... ...

t_p = 130.72768328481

STEP 3: Convert Result to Output's Unit

130.72768328481 Second -->0.0363132453568916 Hour (Check conversion here)

FINAL ANSWER

0.0363132453568916 ≈ 0.036313 Hour <-- Basin Lag

(Calculation completed in 00.004 seconds)

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Regional Constant given Peak Discharge for Nonstandard Effective Rainfall

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

Peak Discharge for Nonstandard Effective Rainfall

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

Catchment Area given Peak Discharge for Nonstandard Effective Rainfall

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

Modified Basin Lag given Peak Discharge for Nonstandard Effective Rainfall

LaTeX Go Modified Basin Lag = 2.78*Regional Constant*Area of Catchment/Peak Discharge

Modified Equation for Basin Lag Formula

LaTeX Go

Basin Lag = Basin Constant*(Length of Basin*Distance along Main Water Course/sqrt(Basin Slope))^Basin Constant 'n'
t_p = C_rL*(L_b*L_ca/sqrt(S_B))^n_B

What is Baseflow?

Baseflow is a portion of streamflow that is not directly generated from the excess rainfall during a storm event. In other words, this is the flow that would exist in the stream without the contribution of direct runoff from the rainfall.

How to Calculate Modified Equation for Basin Lag?

Modified Equation for Basin Lag calculator uses Basin Lag = Basin Constant*(Length of Basin*Distance along Main Water Course/sqrt(Basin Slope))^Basin Constant 'n' to calculate 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 calculate Modified Equation for Basin Lag using this online calculator? To use this online calculator 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. Here is how the Modified Equation for Basin Lag calculation can be explained with given input values -> 1E-5 = 1.03*(30*12000/sqrt(1.1))^0.38.

FAQ

What is Modified Equation for 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 and is represented as t_p = C_rL*(L_b*L_ca/sqrt(S_B))^n_B or Basin Lag = Basin Constant*(Length of Basin*Distance along Main Water Course/sqrt(Basin Slope))^Basin Constant 'n'. Basin Constant to determine the base lag with respect to basin slope, Length of Basin refers to the distance from one end of the basin to the other, typically measured along the longest axis, Distance along Main Water Course from the gauging station to a point opposite to the watershed centroid in km, Basin Slope of the catchment under consideration & Basin Constant 'n' to determine the base lag with respect to basin slope.

How to calculate Modified Equation for 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 is calculated using Basin Lag = Basin Constant*(Length of Basin*Distance along Main Water Course/sqrt(Basin Slope))^Basin Constant 'n'. To calculate Modified Equation for Basin Lag, you need 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). With our tool, you need to enter the respective value for Basin Constant, Length of Basin, Distance along Main Water Course, Basin Slope & Basin Constant 'n' 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 Basin Lag?

In this formula, Basin Lag uses Basin Constant, Length of Basin, Distance along Main Water Course, Basin Slope & Basin Constant 'n'. We can use 3 other way(s) to calculate the same, which is/are as follows -

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

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