RFactor_calc {SoilConservation} | R Documentation |
Determination the rainfall erosivity .
Description
The function calculates the rainfall erosivity factor.
Usage
RFactor_calc(data, erosive.precip = 10, equation = "WS")
Arguments
data |
Data to be analyzed. |
erosive.precip |
Precipitation considered erosive (default = 10). |
equation |
"WS" - Wischmeier and Smith (defaul), |
Value
result |
Tabulated results. |
record |
Record of rainfall relative to 5, 10, 15, 30 or 60 minutes. |
Author(s)
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