Representing Complex C onsumer-Substrate Networks: Development for ESM Land Models with an Application to Litter Decomposition. Objective
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Representing Complex Consumer-Substrate Networks: Development for ESM Land Models with an Application to Litter Decomposition
Current ESM land models lack mechanistic representation of substrate (e.g., C and N) competition and the resulting decomposition kinetics. Our goals were to develop a new concept for representing these dynamics (using the total quasi-steady state assumption and perturbation theory) in a manner applicable to CLM4.5.
Figure. The new substrate kinetics structure.
Figure. Comparison between model predictions and observations.
Reference: Tang, J. Y. and Riley, W. J.: A total quasi-steady-state formulation of substrate uptake kinetics in complex networks and an example application to microbial litter decomposition, Biogeosciences, 10, 8329–8351, 2013, doi:10.5194/bg-10-8329-2013.