Evaluation of a land-surface scheme at Cabauw

Michael B. Ek; A. A.M. Holtslag

doi:10.1007/s00704-004-0101-4

Evaluation of a land-surface scheme at Cabauw

Michael B. Ek, A. A.M. Holtslag

Joint Numerical Testbed

Wageningen University & Research

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

We study the response of the land-surface to prescribed atmospheric forcing for 31 May 1978 at Cabauw, Netherlands, using the land-surface scheme from the Coupled Atmospheric boundary layer-Plant-Soil (CAPS) model. Results from model runs show realistic daytime surface fluxes are produced using a canopy conductance formulation derived from Cabauw data (for 1987, a different year), and un-tuned parameterizations of root density (near-uniform with depth) and soil heat flux (reduced thermal conductivity through vegetation). Sensitivity of model-calculated surface heat fluxes to initial values of soil moisture is also examined. Results of this study provide the land-surface "base state" for a coupled land - Atmosphere modeling study.

Original language	English
Pages (from-to)	213-227
Number of pages	15
Journal	Theoretical and Applied Climatology
Volume	80
Issue number	2-4
DOIs	https://doi.org/10.1007/s00704-004-0101-4
State	Published - Apr 2005

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abstract = "We study the response of the land-surface to prescribed atmospheric forcing for 31 May 1978 at Cabauw, Netherlands, using the land-surface scheme from the Coupled Atmospheric boundary layer-Plant-Soil (CAPS) model. Results from model runs show realistic daytime surface fluxes are produced using a canopy conductance formulation derived from Cabauw data (for 1987, a different year), and un-tuned parameterizations of root density (near-uniform with depth) and soil heat flux (reduced thermal conductivity through vegetation). Sensitivity of model-calculated surface heat fluxes to initial values of soil moisture is also examined. Results of this study provide the land-surface {"}base state{"} for a coupled land - Atmosphere modeling study.",

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AB - We study the response of the land-surface to prescribed atmospheric forcing for 31 May 1978 at Cabauw, Netherlands, using the land-surface scheme from the Coupled Atmospheric boundary layer-Plant-Soil (CAPS) model. Results from model runs show realistic daytime surface fluxes are produced using a canopy conductance formulation derived from Cabauw data (for 1987, a different year), and un-tuned parameterizations of root density (near-uniform with depth) and soil heat flux (reduced thermal conductivity through vegetation). Sensitivity of model-calculated surface heat fluxes to initial values of soil moisture is also examined. Results of this study provide the land-surface "base state" for a coupled land - Atmosphere modeling study.

UR - https://www.scopus.com/pages/publications/20444475836

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ER -

Evaluation of a land-surface scheme at Cabauw

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