buntley.westin.index {aqp}R Documentation

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


[Package aqp version 2.0.4 Index]