Beyond Static Benchmarking: Using Experimental Manipulations to Evaluate Land Model Assumptions.

ABSTRACT: Land models are often used to simulate terrestrial responses to future environmental changes, but these models are not commonly evaluated with data from experimental manipulations. Results from experimental manipulations can identify and evaluate model assumptions that are consistent with appropriate ecosystem responses to future environmental change. We conducted simulations using three coupled carbon-nitrogen versions of the Community Land Model (CLM, versions 4, 4.5, and-the newly developed-5), and compared the simulated response to nitrogen (N) and atmospheric carbon dioxide (CO2) enrichment with meta-analyses of observations from similar experimental manipulations. In control simulations, successive versions of CLM showed a poleward increase in gross primary productivity and an overal

SUBMITTER: Wieder WR 

PROVIDER: S-EPMC6919943 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature