Articles | Volume 15, issue 16
https://doi.org/10.5194/gmd-15-6385-2022
https://doi.org/10.5194/gmd-15-6385-2022
Development and technical paper
 | 
29 Aug 2022
Development and technical paper |  | 29 Aug 2022

Impact of the numerical solution approach of a plant hydrodynamic model (v0.1) on vegetation dynamics

Yilin Fang, L. Ruby Leung, Ryan Knox, Charlie Koven, and Ben Bond-Lamberty

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Batjes, N. H.: ISRIC-WISE derived soil properties on a 5 by 5 arc-minutes global grid, Report 2006/02, http://www.isric.org (last access: 24 August 2022), 2006. 
Bisht, G., Riley, W. J., Hammond, G. E., and Lorenzetti, D. M.: Development and evaluation of a variably saturated flow model in the global E3SM Land Model (ELM) version 1.0, Geosci. Model Dev., 11, 4085–4102, https://doi.org/10.5194/gmd-11-4085-2018, 2018. 
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Short summary
Accounting for water movement in the soil and water transport within the plant is important for plant growth in Earth system modeling. We implemented different numerical approaches for a plant hydrodynamic model and compared their impacts on the simulated aboveground biomass (AGB) at single points and globally. We found care should be taken when discretizing the number of soil layers for numerical simulations as it can significantly affect AGB if accuracy and computational costs are of concern.