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Poster TitleACME-FATES: Using dynamic vegetation and demography to capture changes in forest carbon cycling and competition
AuthorsJennifer Holm, Ryan Knox, William Riley (Unlicensed), Charles Koven (Unlicensed)
GroupLand, CMDV-Land
ExperimentDemography
Poster CategoryEarly Result
Submission TypePresentation
Poster Link



Abstract

The inclusion of dynamic vegetation demography in Earth System Models (ESMs) has been repeatedly identified as a critical step in moving ESMs towards more realistic representations of plant ecology, and the processes that govern the climatically important fluxes of carbon, energy, and water mediated by vegetation. Demographic processes have not been represented in the newly developed ACME Land Model (ALM) until the recent integration of the Functionally-Assembled Terrestrial Ecosystem Simulator (FATES). We summarize the first modeling results of ALM-FATES from a single point simulation in Brazil and a globally gridded simulation. We present multiple process approaches to represent plant competition for light, and alterations to the Perfect Plasticity Approximation (PPA) and discretized PPA used in ALM-FATES.

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