Enrichment of 13C with depth in soil organic horizons is not explained by CO2 or DOC losses during decomposition

M Philben, K Bowering, FA Podrebarac, J Laganière… - Geoderma, 2022 - Elsevier
Stable isotope ratios of soil organic carbon (SOC) are a potentially powerful, integrative tool
for analyzing the soil C cycle. However, limited understanding of the mechanisms for C …