Abstract
Stored and actively cycling carbon within the biogeosphere is mostly regulated by soil organic matter (SOM) degradation and preservation. SOM chemistry and its role in various ecological processes is complex. Past and recent efforts have focused on the use of molecular-level techniques to better understand SOM composition. Solid-state 13C nuclear magnetic resonance (NMR) spectroscopy is a commonly used method for measuring the carbon structures found within SOM. This information is used to assess SOM chemistry and its role in biogeochemical processes. An overview of this technique is provided within this article and how solid-state 13C NMR is used to study SOM composition and dynamics.
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