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Initial Losses given W-Index Formula

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Depression and Interception Losses is the portion of the precipitation that is returned to the atmosphere through evaporation from plant surfaces . Check FAQs

I a = P - R - (W \cdot t e)

I_a - Depression and Interception Losses?P - Total Storm Precipitation?R - Total Storm Runoff?W - W-Index?t_e - Duration of Rainfall Excess?

Initial Losses given W-Index Example

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Here is how the Initial Losses given W-Index equation looks like with Values.

Here is how the Initial Losses given W-Index equation looks like with Units.

Here is how the Initial Losses given W-Index equation looks like.

6 = 118 - 48 - (16 \cdot 4)

6cm = 118cm - 48cm - (16cm \cdot 4h)

6 = 118 - 48 - (16 \cdot 4)

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Initial Losses given W-Index Solution

Follow our step by step solution on how to calculate Initial Losses given W-Index?

FIRST Step Consider the formula

I a = P - R - (W \cdot t e)

Next Step Substitute values of Variables

∴

I a = 118cm - 48cm - (16cm \cdot 4h)

Next Step Prepare to Evaluate

∴

I a = 118 - 48 - (16 \cdot 4)

Next Step Evaluate

∴

I a = 0.06m

LAST Step Convert to Output's Unit

∴

I a = 6cm

Initial Losses given W-Index Formula Elements

Variables

Depression and Interception Losses

Depression and Interception Losses is the portion of the precipitation that is returned to the atmosphere through evaporation from plant surfaces .

Symbol: I_a

Measurement: LengthUnit: cm

Note: Value can be positive or negative.

Formulas to find Depression and Interception Losses

Total Storm Precipitation

Total Storm Precipitation is the annual precipitation of the current year.

Symbol: P

Measurement: LengthUnit: cm

Note: Value should be greater than 0.

Formulas to find Total Storm Precipitation

Total Storm Runoff

Total Storm Runoff is rain that flows off building rooftops, driveways, lawns, streets, parking lots, construction sites, and industrial storage yards.

Symbol: R

Measurement: LengthUnit: cm

Note: Value should be greater than 0.

Formulas to find Total Storm Runoff

W-Index

W-Index is the average infiltration rate during the time when the rainfall intensity exceeds the infiltration rate.

Symbol: W

Measurement: LengthUnit: cm

Note: Value should be greater than 0.

Formulas to find W-Index

Duration of Rainfall Excess

Duration of Rainfall Excess is the total time in which the rainfall intensity the greater than the average rate of infiltration (in hours).

Symbol: t_e

Measurement: TimeUnit: h

Note: Value should be greater than 0.

Formulas to find Duration of Rainfall Excess

Other formulas in W Index category

Go W-Index

W = \frac{P - R - I a}{t e}

Go Total Storm Precipitation when W Index

P = (W \cdot t e) + R + I a

Go Total Storm Runoff given W Index

R = P - I a - (W \cdot t e)

Go Duration of Rainfall Excess given W Index

t e = \frac{P - R - I a}{W}

How to Evaluate Initial Losses given W-Index?

Initial Losses given W-Index evaluator uses Depression and Interception Losses = Total Storm Precipitation-Total Storm Runoff-(W-Index*Duration of Rainfall Excess) to evaluate the Depression and Interception Losses, The Initial Losses given W-Index formula is defined as considering infiltration quantity, W-Index is the average infiltration rate during the entire period of the storm. In the calculation of W-Index, the initial loss is separated from the total infiltration. Depression and Interception Losses is denoted by I_a symbol.

How to evaluate Initial Losses given W-Index using this online evaluator? To use this online evaluator for Initial Losses given W-Index, enter Total Storm Precipitation (P), Total Storm Runoff (R), W-Index (W) & Duration of Rainfall Excess (t_e) and hit the calculate button.

FAQs on Initial Losses given W-Index

What is the formula to find Initial Losses given W-Index?

The formula of Initial Losses given W-Index is expressed as Depression and Interception Losses = Total Storm Precipitation-Total Storm Runoff-(W-Index*Duration of Rainfall Excess). Here is an example- 600 = 1.18-0.48-(0.16*14400).

How to calculate Initial Losses given W-Index?

With Total Storm Precipitation (P), Total Storm Runoff (R), W-Index (W) & Duration of Rainfall Excess (t_e) we can find Initial Losses given W-Index using the formula - Depression and Interception Losses = Total Storm Precipitation-Total Storm Runoff-(W-Index*Duration of Rainfall Excess).

Can the Initial Losses given W-Index be negative?

Yes, the Initial Losses given W-Index, measured in Length can be negative.

Which unit is used to measure Initial Losses given W-Index?

Initial Losses given W-Index is usually measured using the Centimeter[cm] for Length. Meter[cm], Millimeter[cm], Kilometer[cm] are the few other units in which Initial Losses given W-Index can be measured.

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Initial Losses given W-Index Formula

Initial Losses given W-Index Example

Initial Losses given W-Index Solution

Initial Losses given W-Index Formula Elements

Other formulas in W Index category

How to Evaluate Initial Losses given W-Index?

FAQs on Initial Losses given W-Index

Variable Name