Schematic outline of methods used in this study. (a) We used a subset of the LIDET dataset (Harmon, 2013) to reparameterize litter decomposition in the CORPSE model (Sulman et al., 2014a). (b) We developed a modified Monte Carlo technique that utilized discrete parameter sets instead of parameter distributions. (c) We then compared the Baseline and new LIDET parameter model results to the LIDET field data using various decomposition metrics. (d) Finally, we used the new LIDET litter decomposition parameters in the FUN-BioCROP model (Juice et al., 2022) to simulate bioenergy soil C under different feedstock and management scenarios. C: carbon; CORPSE: Carbon, Organisms, Rhizosphere, and Protection in the Soil Environment; FUN-BioCROP: Fixation and Uptake of Nitrogen-Bioenergy Carbon, Rhizosphere, Organisms, and Protection; LIDET: Long-term Intersite Decomposition Experiment Team; MRT: mean residence time; N: nitrogen.
This is a version of the CORPSE model (Carbon, Organisms, Rhizosphere and Protection in the Soil Environment, Sulman et al. 2014) that uses litter decomposition parameters derived from a modified Monte Carlo simulation using the LIDET litter decomposition dataset (Long-term Intersite Decomposition Experiment Team, Harmon 2013). The code also includes the Baseline parameters, and the eight other best parameter sets identified in a modified Monte Carlo simulation.
