SoilConservation (version 1.0.1)

RFactor_calc: Determination the rainfall erosivity .

Description

The function calculates the rainfall erosivity factor.

Usage

RFactor_calc(data, erosive.precip = 10, equation = "WS")

Value

result

Tabulated results.

record

Record of rainfall relative to 5, 10, 15, 30 or 60 minutes.

Arguments

data

Data to be analyzed.

erosive.precip

Precipitation considered erosive (default = 10).

equation

"WS" - Wischmeier and Smith (defaul),
"BF" - Brown and Foster,
"RUSLE2" - USDA-Agriculture Research Service.

Author

Dione Pereira Cardoso

Paulo Cesar Ossani

Junior Cesar Avanzi

References

Brown, L.C. and Foster, G.R. (1987). Storm erosivity using idealized intensity distributions. Trans. ASAE 30, 2, 379–386. <https:...>.

USDA-Agricultural Research Service. (2013). Science Documentation Revised Universal Soil Loss Equation Version 2. <https://www.ars.usda.gov/ARSUserFiles/60600505/RUSLE/RUSLE2_Science_Doc.pdf>.

Wischmeier, W. and Smith, D. (1978). Predicting rainfall erosion losses: a guide to conservation planning. Agricultural Handbook No. 537. U.S. Department of Agriculture, Washington DC, USA. <https:...>.

Examples

 data(Data_Rainfall_minutes)
 res <- RFactor_calc(Data_Rainfall_minutes, erosive.precip = 10, equation = "WS")
 res$result