thickness_of_soil_surface_organic_layer
https://w3id.org/hacid/data/cs/variables/cf/thickness_of_soil_surface_organic_layer <https://w3id.org/hacid/onto/data/Variable>
Depth or height of the organic soil horizon (O or H horizons per the World Reference Base soil classification system), measured from the soil surface down to the mineral horizon. Organic layers are commonly composed of a succession of litter of recognizable origin, of partly decomposed litter, and of highly decomposed (humic) organic material.
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thickness_of_soil_surface_organic_layer