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Rainfall Erosivity Factor Formula

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Rainfall Erosivity Factor is a multi-annual average index that measures rainfall's kinetic energy and intensity. Check FAQs

R = \frac{A}{K \cdot L \cdot S \cdot C \cdot P}

R - Rainfall Erosivity Factor?A - Soil Loss Per Unit Area in Unit Time?K - Soil Erodibility Factor?L - Slope Length Factor?S - Slope-Steepness Factor?C - Cover Management Factor?P - Support Practice Factor?

Rainfall Erosivity Factor Example

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Here is how the Rainfall Erosivity Factor equation looks like with Values.

Here is how the Rainfall Erosivity Factor equation looks like with Units.

Here is how the Rainfall Erosivity Factor equation looks like.

0.4022 = \frac{0.16}{0.17 \cdot 0.1 \cdot 0.6 \cdot 0.61 \cdot 0.74}

0.4022 = \frac{0.16t/d}{0.17 \cdot 0.1 \cdot 0.6 \cdot 0.61 \cdot 0.74}

0.4022 = \frac{0.16}{0.17 \cdot 0.1 \cdot 0.6 \cdot 0.61 \cdot 0.74}

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Rainfall Erosivity Factor Solution

Follow our step by step solution on how to calculate Rainfall Erosivity Factor?

FIRST Step Consider the formula

R = \frac{A}{K \cdot L \cdot S \cdot C \cdot P}

Next Step Substitute values of Variables

∴

R = \frac{0.16t/d}{0.17 \cdot 0.1 \cdot 0.6 \cdot 0.61 \cdot 0.74}

Next Step Convert Units

∴

R = \frac{0.0019kg/s}{0.17 \cdot 0.1 \cdot 0.6 \cdot 0.61 \cdot 0.74}

Next Step Prepare to Evaluate

∴

R = \frac{0.0019}{0.17 \cdot 0.1 \cdot 0.6 \cdot 0.61 \cdot 0.74}

Next Step Evaluate

∴

R = 0.402202266554564

LAST Step Rounding Answer

∴

R = 0.4022

Rainfall Erosivity Factor Formula Elements

Variables

Rainfall Erosivity Factor

Rainfall Erosivity Factor is a multi-annual average index that measures rainfall's kinetic energy and intensity.

Symbol: R

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Rainfall Erosivity Factor

Soil Loss Per Unit Area in Unit Time

Soil Loss Per Unit Area in Unit Time is a term used in soil erosion studies which refers to the average annual rate of soil erosion, measured in tons per unit area, for a given combination of factors.

Symbol: A

Measurement: Mass Flow RateUnit: t/d

Note: Value can be positive or negative.

Formulas to find Soil Loss Per Unit Area in Unit Time

Soil Erodibility Factor

Soil Erodibility Factor is the intrinsic susceptibility of a soil to erosion by runoff and raindrop impact.

Symbol: K

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Soil Erodibility Factor

Slope Length Factor

Slope Length Factor represents the effect of slope length on erosion.

Symbol: L

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Slope Length Factor

Slope-Steepness Factor

Slope-Steepness Factor describes the combined effects of slope length and slope gradient.

Symbol: S

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Slope-Steepness Factor

Cover Management Factor

Cover Management Factor reflects the effect of cropping and management practices on erosion rates.

Symbol: C

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Cover Management Factor

Support Practice Factor

Support Practice Factor is the ratio of soil loss with a support practice like strip cropping to that with a straight row farming up and down the slope.

Symbol: P

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Support Practice Factor

Other formulas in Universal Soil Loss Equation category

Go Soil Loss Per Unit Area in Unit Time

A = R \cdot K \cdot L \cdot S \cdot C \cdot P

Go Soil Erodibility Factor given Soil Loss Per Unit Area in Unit Time

K = \frac{A}{R \cdot L \cdot S \cdot C \cdot P}

How to Evaluate Rainfall Erosivity Factor?

Rainfall Erosivity Factor evaluator uses Rainfall Erosivity Factor = Soil Loss Per Unit Area in Unit Time/(Soil Erodibility Factor*Slope Length Factor*Slope-Steepness Factor*Cover Management Factor*Support Practice Factor) to evaluate the Rainfall Erosivity Factor, The Rainfall Erosivity Factor formula is defined as a measure of the erosive force and intensity of rain that is used to describe the potential for soil to be washed off from disturbed, de-vegetated areas and move into surface waters during storms. Rainfall Erosivity Factor is denoted by R symbol.

How to evaluate Rainfall Erosivity Factor using this online evaluator? To use this online evaluator for Rainfall Erosivity Factor, enter Soil Loss Per Unit Area in Unit Time (A), Soil Erodibility Factor (K), Slope Length Factor (L), Slope-Steepness Factor (S), Cover Management Factor (C) & Support Practice Factor (P) and hit the calculate button.

FAQs on Rainfall Erosivity Factor

What is the formula to find Rainfall Erosivity Factor?

The formula of Rainfall Erosivity Factor is expressed as Rainfall Erosivity Factor = Soil Loss Per Unit Area in Unit Time/(Soil Erodibility Factor*Slope Length Factor*Slope-Steepness Factor*Cover Management Factor*Support Practice Factor). Here is an example- 0.402202 = 0.00185185185185185/(0.17*0.1*0.6*0.61*0.74).

How to calculate Rainfall Erosivity Factor?

With Soil Loss Per Unit Area in Unit Time (A), Soil Erodibility Factor (K), Slope Length Factor (L), Slope-Steepness Factor (S), Cover Management Factor (C) & Support Practice Factor (P) we can find Rainfall Erosivity Factor using the formula - Rainfall Erosivity Factor = Soil Loss Per Unit Area in Unit Time/(Soil Erodibility Factor*Slope Length Factor*Slope-Steepness Factor*Cover Management Factor*Support Practice Factor).

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Rainfall Erosivity Factor Formula

Rainfall Erosivity Factor Example

Rainfall Erosivity Factor Solution

Rainfall Erosivity Factor Formula Elements

Other formulas in Universal Soil Loss Equation category

How to Evaluate Rainfall Erosivity Factor?

FAQs on Rainfall Erosivity Factor

Variable Name