Supplementary material to "Potassium-limitation of forest productivity, part 1: A mechanistic model simulating the effects of potassium availability on canopy carbon and water fluxes in tropical eucalypt stands"

Cornut, Ivan; Delpierre, Nicolas; Laclau, Jean-Paul; Guillemot, Joannès; Nouvellon, Yann; Campoe, Otávio Camargo; Stape, José Luiz; Santos, Vitoria Fernanda; Maire, Guerric Le

doi:10.5194/egusphere-2022-883-supplement

2022

DOI: 10.5194/egusphere-2022-883-supplement

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Supplementary material to "Potassium-limitation of forest productivity, part 1: A mechanistic model simulating the effects of potassium availability on canopy carbon and water fluxes in tropical eucalypt stands"

Ivan Cornut¹,

Nicolas Delpierre²,

Jean-Paul Laclau³

et al.

Abstract: Atmospheric deposition K atmosphere→soil 0.5 gK.m −2 .yr −1 Measured in Laclau et al. (2010) Initial K contained in litter K ini litter 1.92 gK.m −2 Measured in Laclau et al. (2010)

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Ideas and perspectives: Beyond model evaluation – combining experiments and models to advance terrestrial ecosystem science

Caldararu,

Rolo,

Stocker

et al. 2023

Biogeosciences

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Abstract. Ecosystem manipulative experiments are a powerful tool to understand terrestrial ecosystem responses to global change because they measure real responses in real ecosystems and yield insights into causal relationships. However, their scope is limited in space and time due to cost and labour intensity. This makes generalising results from such experiments difficult, which creates a conceptual gap between local-scale process understanding and global-scale future predictions. Recent efforts have seen results from such experiments used in combination with dynamic global vegetation models, most commonly to evaluate model predictions under global change drivers. However, there is much more potential in combining models and experiments. Here, we discuss the value and potential of a workflow for using ecosystem experiments together with process-based models to enhance the potential of both. We suggest that models can be used prior to the start of an experiment to generate hypotheses, identify data needs, and in general guide experimental design. Models, when adequately constrained with observations, can also predict variables which are difficult to measure frequently or at all, and together with the data they can provide a more complete picture of ecosystem states. Finally, models can be used to help generalise the experimental results in space and time, by providing a framework in which process understanding derived from site-level experiments can be incorporated. We also discuss the potential for using manipulative experiments together with models in formalised model–data integration frameworks for parameter estimation and model selection, a path made possible by the increasing number of ecosystem experiments and diverse observation streams. The ideas presented here can provide a roadmap to future experiment–model studies.

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Ideas and perspectives: Beyond model evaluation – combining experiments and models to advance terrestrial ecosystem science

Caldararu,

Rolo,

Stocker

et al. 2023

Biogeosciences

View full text Add to dashboard Cite

show abstract

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Supplementary material to "Potassium-limitation of forest productivity, part 1: A mechanistic model simulating the effects of potassium availability on canopy carbon and water fluxes in tropical eucalypt stands"

Abstract: Atmospheric deposition K atmosphere→soil 0.5 gK.m −2 .yr −1 Measured in Laclau et al. (2010) Initial K contained in litter K ini litter 1.92 gK.m −2 Measured in Laclau et al. (2010)

Cited by 1 publication

References 0 publications

Ideas and perspectives: Beyond model evaluation – combining experiments and models to advance terrestrial ecosystem science

Ideas and perspectives: Beyond model evaluation – combining experiments and models to advance terrestrial ecosystem science

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