Numerical modification of atmospheric models to include the feedback of oceanic currents on air-sea fluxes in ocean-atmosphere coupled models

Florian Lemarié 1
1 AIRSEA - Mathematics and computing applied to oceanic and atmospheric flows
Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology, UGA - Université Grenoble Alpes, LJK - Laboratoire Jean Kuntzmann, Inria Grenoble - Rhône-Alpes
Abstract : In this note we present the modification to bring to an atmospheric model to account for relative winds (i.e. the difference between the near-surface winds and the oceanic currents) instead of absolute winds in the computation of air-sea fluxes. Because of the implicit treatment of the bottom boundary condition in most atmospheric models the use of relative winds involves a modification of both the surface layer parameterization and the tridiagonal matrix for vertical turbulent diffusion.
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Submitted on : Monday, August 17, 2015 - 2:25:08 PM
Last modification on : Saturday, February 9, 2019 - 1:19:50 AM
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Florian Lemarié. Numerical modification of atmospheric models to include the feedback of oceanic currents on air-sea fluxes in ocean-atmosphere coupled models. [Technical Report] RT-0464, INRIA Grenoble - Rhône-Alpes; Laboratoire Jean Kuntzmann; Universite de Grenoble I - Joseph Fourier; INRIA. 2015. ⟨hal-01184711⟩

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