Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/20.500.11765/6683
Comparison of three land-surface schemes with the Fourier amplitude sensitivity test (FAST)
Título : Comparison of three land-surface schemes with the Fourier amplitude sensitivity test (FAST)
Autor : Rodríguez Camino, Ernesto ORCID Autor AEMETAvissar, Roni
Palabras clave : Atmospheric modelling; Land-surface parameters; Land-atmosphere interactive dynamics; Soil-biosphere-atmosphere; Biosphere-atmosphere transfer scheme; Fourier amplitude sensitivity test
Fecha de publicación : 1998
Editor: Taylor & Francis
Citación : Tellus. 1998, 50A, p. 313–332
Versión del editor: http://dx.doi.org/10.3402/tellusa.v50i3.14529
Resumen : This paper explores which are the land-surface parameters playing a key role in three surface schemes, namely the land-atmosphere interactive dynamics (LAID), the interaction soil-biosphere-atmosphere (ISBA) and the biosphere-atmosphere transfer scheme (BATS). The Fourier amplitude sensitivity test (FAST) was used for that purpose. This test estimates the relative contribution of model input parameters to the variance of surface heat fluxes. This analysis demonstrates that, for the three considered schemes, four parameters can explain most of the variance of surface heat fluxes under a broad range of environmental conditions. Soil wetness plays a predominant roˆ le for the heat fluxes. Roughness length is the most important parameter for the momentum flux. Leaf area index, in vegetated land, and texture, mainly in bare land, also have a significant impact on the fluxes. Roughness length is usually more important for sensible heat flux than for latent heat flux, and is mostly important under stable atmospheric conditions. Soil wetness and vegetation parameters are the dominant parameters under buoyant conditions.
URI : http://hdl.handle.net/20.500.11765/6683
ISSN : 0280-6495
1600-0870
Colecciones: Artículos científicos 1995-1999


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