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Poster TitleImplementation of a rigorously verified, vertically resolved biophysics model in ALM to simulate transport of water, energy, and carbon along the soil-plant-atmosphere continuum
AuthorsGautam Bisht, William Riley (Unlicensed) and Ryan Knox
GroupLand
ExperimentWatercycle
Poster CategoryFuture direction
Submission TypePoster
Poster Linkbisht_acme_all_hands_20170605.pdf



Abstract

The land-atmosphere exchange of water, energy, and carbon fluxes plays a critical role in the evolution of the terrestrial water cycle. Several recent studies have demonstrated the need for explicitly resolving the vertical light and thermal regimes within the vegetation canopies and the surrounding air space to accurately capture vegetation response to future climate perturbations. Additionally, estimation of the hydraulic gradients through the soil-root-plant system is crucial for estimating transpiration. The ACME Land Model version 1.0 (ALM-v1.0) uses big-leaf and diagnostic canopy air modules to simulate fluxes of water, energy, and carbon exchanged between land and atmosphere. Moreover, ALM-v1.0 directly links stomatal responses to soil moisture instead of accounting for the stem water potential.

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