'Diagnostic horizons' diaporamas de présentation

Diagnostic Horizons

Diagnostic Horizons. special horizons used in classification. EPIPEDON surface diagnostic horizon A, E, sometimes upper part of B 2. SUBSURFACE diagnostic horizons always B. The Epipedons : 5 common and 2 anthropogenic. 5 common:. 1.Mollic epipedon. Soft Thick (>18 cm) Dark

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Aridic Haploxerert

Ap. Bss1. Bss2. BC. C. Aridic Haploxerert. List key properties Order , Suborder , Great group , Subgroup Which diagnostic horizons and key criteria did you identify? Epipedon , Diagnostic subsurface horizons , Other characteristics

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Histosols

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Gelisols

Gelisols. Characteristics. Commonly have dark organic surface layer and mineral layer underlain by permafrost. A lot of times they have slow decomposition resulting in a peat layer on the surface. They have a high level of organic Carbon.

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