From Quechua p'anpay = "to bury". A buried diagnostic horizon (any horizon whose original surface was subsequently overlain by younger material). Used by the Panpaic qualifier and by the Cambisols / Anthrosols branches.
Arguments
- pedon
A
PedonRecord.
Value
A DiagnosticResult recording whether the diagnostic is present, the qualifying layers, and the supporting evidence.
Details
Since v0.9.220 the four criteria of WRB 2022 Ch 3.1.23 on a buried
surface horizon (an A designation with a b suffix, or below a
lithic discontinuity, 2A): \(\ge\) 0.2% SOC; SOC
\(\ge\) 25% (relative) and \(\ge\) 0.2% (absolute) higher
than in the overlying layer; a lithic discontinuity at its upper limit;
\(\ge\) 5 cm thick. Until v0.9.219 any designation containing a
b passed, AB included.