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Thionic horizon (WRB 2022): post-oxidation acid sulfate horizon. Requires sulfidic_s_pct >= 0.01 AND pH(H2O) <= 4.

Source: R/diagnostics-horizons-wrb-v033.R
thionic.Rd

Thionic horizon (WRB 2022): post-oxidation acid sulfate horizon. Requires sulfidic_s_pct >= 0.01 AND pH(H2O) <= 4.

Usage

thionic(
  pedon,
  min_thickness = 15,
  max_pH = 4,
  min_sulfidic_s = 0.01,
  adjoining = FALSE
)

Arguments

pedon

A PedonRecord.

min_thickness

Numeric threshold or option (see Details).

max_pH

Numeric threshold or option (see Details).

min_sulfidic_s

Numeric threshold or option (see Details).

adjoining

FALSE (default): the thickness is asked of each layer. TRUE: of adjoining layers taken together, as the SiBCS horizonte sulfurico reads it since v0.9.246.

Value

A DiagnosticResult recording whether the diagnostic is present, the qualifying layers, and the supporting evidence.