Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/20.500.11765/1807
Influence of stability on the flux-profile relationships for wind speed, Φm, and temperature, φh, for the stable atmospheric boundary layer
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dc.contributor.authorYagüe, Carloses_ES
dc.contributor.authorViana Jiménez, Samueles_ES
dc.contributor.authorMaqueda, Gregorioes_ES
dc.contributor.authorRedondo, J. M.es_ES
dc.identifier.citationNonlinear Processes in Geophysics. 2006, 13(2), p. 185-203es_ES
dc.description.abstractData from SABLES98 experimental campaign have been used in order to study the influence of stability (from weak to strong stratification) on the flux-profile relationships for momentum, Φm, and heat, Φh. Measurements from 14 thermocouples and 3 sonic anemometers at three levels (5.8, 13.5 and 32 m) for the period from 10 to 28 September 1998 were analysed using the framework of the local-scaling approach (Nieuwstadt, 1984a; 1984b), which can be interpreted as an extension of the Monin-Obukhov similarity theory (Obukhov, 1946). The results show increasing values of Φm and Φh with increasing stability parameter ζ=z/Λ, up to a value of ζ≈1–2, above which the values remain constant. As a consequence of this levelling off in Φm and Φh for strong stability, the turbulent mixing is underestimated when linear similarity functions (Businger et al., 1971) are used to calculate surface fluxes of momentum and heat. On the other hand when Φm and Φh are related to the gradient Richardson number, Ri, a different behaviour is found, which could indicate that the transfer of momentum is greater than that of heat for high Ri. The range of validity of these linear functions is discussed in terms of the physical aspects of turbulent intermittent mixing.es_ES
dc.description.sponsorshipThis research has been funded by the Spanish Ministry of Education and Science (projects CLI97-0343 and CGL2004-03109/CLI).-
dc.publisherEuropean Geosciences Uniones_ES
dc.rightsLicencia CC: Reconocimiento CC BYes_ES
dc.subjectWind speedes_ES
dc.subjectTurbulent transferes_ES
dc.titleInfluence of stability on the flux-profile relationships for wind speed, Φm, and temperature, φh, for the stable atmospheric boundary layeres_ES
Colecciones: Artículos científicos 2005-2009

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