Global evaluation of terrestrial biogeochemistry in the Energy Exascale Earth System Model (E3SM) and the role of the phosphorus cycle in the historical terrestrial carbon balance
Climate Change Science Institute and Environmental Sciences Division, Oak Ridge National Lab, Oak Ridge, TN
37831, USA
Yilong Wang
Key Laboratory of Land Surface Pattern and Simulation, Institute of
Geographic Sciences and Natural Resources Research, Chinese Academy of
Sciences, Beijing, China
Laboratoire des Sciences du Climat et de l'Environnement,
CEA-CNRS-UVSQ-Université Paris Saclay, 91191, Gif-sur-Yvette CEDEX,
France
Forrest Hoffman
Climate Change Science Institute and Computational Sciences and Engineering Division, Oak Ridge National
Lab, Oak Ridge, TN 37831, USA
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We evaluated the performance of a land surface model (ELMv1-CNP) that includes both nitrogen (N) and phosphorus (P) limitation on carbon cycle processes. We show that ELMv1-CNP produces realistic estimates of present-day carbon pools and fluxes. We show that global C sources and sinks are significantly affected by P limitation. Our study suggests that introduction of P limitation in land surface models is likely to have substantial consequences for projections of future carbon uptake.
We evaluated the performance of a land surface model (ELMv1-CNP) that includes both nitrogen (N)...