total organic C vs organic C

[mslarae13]

Describe the bug A clear and concise description of what the bug is.

In the sediment package, organic C and total organic C are both provided

org_C definition: Concentration of organic carbon

total org C definition: Definition for soil: total organic carbon content of the soil, definition otherwise: total organic carbon content

Unclear how these terms differ? Also, total has a method term, the other does not.