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buntley.westin.index

Buntley-Westin (1965) Index

Description

Calculate "Color Development Equivalent" by the method of Buntley & Westin (1965) "A Comparative Study of Developmental Color in a Chestnut-Chernozem-Brunizem Soil Climosequence" DOI: 10.2136/sssaj1965.03615995002900050029x. Originally developed for Mollisols, the Buntley-Westin index has been used as a tool to separate soils based on depth to particular colors.

Usage

buntley.westin.index(hue, chroma)

Arguments

`hue`	A character vector containing Munsell hues (e.g. "7.5YR")
`chroma`	A numeric vector containing Munsell chromas

Value

A numeric vector reflecting horizon color development.

Author(s)

Andrew G. Brown.

References

Buntley, G.J. and Westin, F.C. (1965), A Comparative Study of Developmental Color in a Chestnut-Chernozem-Brunizem Soil Climosequence. Soil Science Society of America Journal, 29: 579-582. doi:10.2136/sssaj1965.03615995002900050029x

aqp

Algorithms for Quantitative Pedology

v1.29

GPL (>= 3)

Authors

Dylan Beaudette [aut, cre], Pierre Roudier [aut, ctb], Andrew Brown [aut, ctb]

Initial release

2021-04-05