GSIF (version 0.5-5.1)

soil.legends: Standard color palettes for soil properties and classes

Description

Standard color palettes for soil properties and classes that can be used to display global soil data.

Usage

data(soil.legends)

Format

Contains a list of color palettes (data frames with class names / break points, and cumulative probabilities) for:

ORCDRC

numeric; soil organic carbon content in permille

PHIHOX

numeric; pH index measured in water solution

PHIKCL

numeric; pH index measured in KCl solution

BLDFIE

numeric; bulk density (fine earth) in kg per cubic meter

CECSOL

numeric; Cation Exchange Capacity of soil

SNDPPT

numeric; weight percentage of the sand particles (0.05--2 mm)

SLTPPT

numeric; weight percentage of the silt particles (0.0002--0.05 mm)

CLYPPT

numeric; weight percentage of the clay particles (<0.0002 mm)

CRFVOL

numeric; volumetric percentage of coarse fragments (>2 mm)

TAXOUSDA

factor; Keys to Soil Taxonomy suborders

TAXGWRB

factor; World Reference Base groups

TAXNWRB

factor; World Reference Base legend for SoilGrids250m

References

• Global Soil Information Facilities (http://gsif.isric.org)

• SoilGrids automated global soil mapping system (https://soilgrids.org)

Examples

# NOT RUN {
data(soil.legends)
pal <- soil.legends$ORCDRC$COLOR
names(pal) <- signif((soil.legends$ORCDRC$MAX + 
    soil.legends$ORCDRC$MIN)/2, 3)
pal
data(soil.vars)
soil.vars[soil.vars$varname=="ORCDRC",]
## make SAGA GIS palette:
makeSAGAlegend(x=as.factor(names(pal)), col_pal=pal, 
    filename="ORCDRC.txt")
# }