Articles | Volume 14, issue 2
Geosci. Model Dev., 14, 735–761, 2021
https://doi.org/10.5194/gmd-14-735-2021
Geosci. Model Dev., 14, 735–761, 2021
https://doi.org/10.5194/gmd-14-735-2021

Model description paper 03 Feb 2021

Model description paper | 03 Feb 2021

CoupModel (v6.0): an ecosystem model for coupled phosphorus, nitrogen, and carbon dynamics – evaluated against empirical data from a climatic and fertility gradient in Sweden

Hongxing He et al.

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This study presents the integration of the phosphorus (P) cycle into CoupModel (v6.0, Coup-CNP). The extended Coup-CNP, which explicitly considers the symbiosis between soil microbes and plant roots, enables simulations of coupled C, N, and P dynamics for terrestrial ecosystems. Simulations from the new Coup-CNP model provide strong evidence that P fluxes need to be further considered in studies of how ecosystems and C turnover react to climate change.