landmap (version 0.0.13)

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

• Batjes, N. H., Ribeiro, E., van Oostrum, A., Leenaars, J., Hengl, T., & de Jesus, J. M. (2017). WoSIS: providing standardised soil profile data for the world. Earth System Science Data, 9(1), 1. 10.5194/essd-9-1-2017

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
## Munsell color codes:
data(munsell)
str(munsell)
# }