Articles | Volume 11, issue 4
Geosci. Model Dev., 11, 1467–1496, 2018
https://doi.org/10.5194/gmd-11-1467-2018
Geosci. Model Dev., 11, 1467–1496, 2018
https://doi.org/10.5194/gmd-11-1467-2018

Development and technical paper 16 Apr 2018

Development and technical paper | 16 Apr 2018

Modeling canopy-induced turbulence in the Earth system: a unified parameterization of turbulent exchange within plant canopies and the roughness sublayer (CLM-ml v0)

Gordon B. Bonan et al.

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Short summary
Land surface models neglect the roughness sublayer and parameterize within-canopy turbulence in an ad hoc manner. We implemented a roughness sublayer parameterization in a multilayer canopy model to test if this theory provides a tractable parameterization extending from the ground through the canopy and the roughness sublayer. The multilayer canopy improves simulations compared with the Community Land Model (CLM4.5) while also advancing the theoretical basis for surface flux parameterizations.