Evaluation of a land-surface scheme at Cabauw |
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| Authors: | M B Ek A A M Holtslag |
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| Institution: | (1) National Centers for Environmental Prediction, Environmental Modeling Center, Suitland, Maryland, USA;(2) Meteorology and Air Quality Section, Wageningen University, Wageningen, Netherlands |
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| Abstract: | Summary 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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