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Feedback and Sensitivity in Climate Alain Lahellec June 17, 2009 - PowerPoint PPT Presentation

Boundary layer processes in climate Approaches to the parametrization of the boundary layer Boundary layer, clouds and convection Feedback and Sensitivity in Climate Alain Lahellec June 17, 2009 university-logo Boundary layer processes in


  1. Boundary layer processes in climate Approaches to the parametrization of the boundary layer Boundary layer, clouds and convection Feedback and Sensitivity in Climate Alain Lahellec June 17, 2009 university-logo

  2. Boundary layer processes in climate Approaches to the parametrization of the boundary layer Boundary layer, clouds and convection Outline Boundary layer processes in climate 1 Boundary layer as a boundary condition Boundary layer and clouds Boundary layer in the "Earth Systemp" Approaches to the parametrization of the boundary layer 2 Scale decomposition Diffusive approaches and their limitations Alternatives to diffusive approaches Boundary layer, clouds and convection 3 Could schemes in climate models Cumulus clouds and mass flux parametrisations Boundary layer and deep convection university-logo

  3. Boundary layer processes in climate Approaches to the parametrization of the boundary layer Boundary layer, clouds and convection Outline Boundary layer processes in climate 1 Boundary layer as a boundary condition Boundary layer and clouds Boundary layer in the "Earth Systemp" Approaches to the parametrization of the boundary layer 2 Scale decomposition Diffusive approaches and their limitations Alternatives to diffusive approaches Boundary layer, clouds and convection 3 Could schemes in climate models Cumulus clouds and mass flux parametrisations Boundary layer and deep convection university-logo

  4. university-logo Boundary layer, clouds and convection ClimSI : Comparaison entre Reponses efficaces 0.3 Figure: ClimSI WV feedback model responses. 0.25 0.2 Approaches to the parametrization of the boundary layer 0.15 0.1 0.05 -0.013804*(exp(-9.75776E-02*f(x))-1)-0.641613*(exp(-1.22354E-03*f(x))-1)-5.348124E-03*(exp(-0.1188725*f(x))-1)+0.4444444*(exp(-1.1813E-02*f(x))-1) "/data/al1/Pablo/cyclsta/sigma.datacysta" u (log10($1/365)):58 "/data/al1/Pablo/ocblok/sigma.data" u (log10($1/365)):58 0 "sigma.data" u (log10($1/365)):58 -0.05 Rep Eff -0.1 -0.15 Tau prec 3m. -0.2 -0.25 Tau 28j. -0.3 -0.35 -0.4 Oc Bk Boundary layer processes in climate -0.45 -3 -2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 x log(t y), f(x)=365*10 ps2pdf OK.

  5. Boundary layer processes in climate Approaches to the parametrization of the boundary layer Boundary layer, clouds and convection Outline Boundary layer processes in climate 1 Boundary layer as a boundary condition Boundary layer and clouds Boundary layer in the "Earth Systemp" Approaches to the parametrization of the boundary layer 2 Scale decomposition Diffusive approaches and their limitations Alternatives to diffusive approaches Boundary layer, clouds and convection 3 Could schemes in climate models Cumulus clouds and mass flux parametrisations Boundary layer and deep convection university-logo

  6. Boundary layer processes in climate Approaches to the parametrization of the boundary layer Boundary layer, clouds and convection Outline Boundary layer processes in climate 1 Boundary layer as a boundary condition Boundary layer and clouds Boundary layer in the "Earth Systemp" Approaches to the parametrization of the boundary layer 2 Scale decomposition Diffusive approaches and their limitations Alternatives to diffusive approaches Boundary layer, clouds and convection 3 Could schemes in climate models Cumulus clouds and mass flux parametrisations Boundary layer and deep convection university-logo

  7. Boundary layer processes in climate Approaches to the parametrization of the boundary layer Boundary layer, clouds and convection Outline Boundary layer processes in climate 1 Boundary layer as a boundary condition Boundary layer and clouds Boundary layer in the "Earth Systemp" Approaches to the parametrization of the boundary layer 2 Scale decomposition Diffusive approaches and their limitations Alternatives to diffusive approaches Boundary layer, clouds and convection 3 Could schemes in climate models Cumulus clouds and mass flux parametrisations Boundary layer and deep convection university-logo

  8. Boundary layer processes in climate Approaches to the parametrization of the boundary layer Boundary layer, clouds and convection Outline Boundary layer processes in climate 1 Boundary layer as a boundary condition Boundary layer and clouds Boundary layer in the "Earth Systemp" Approaches to the parametrization of the boundary layer 2 Scale decomposition Diffusive approaches and their limitations Alternatives to diffusive approaches Boundary layer, clouds and convection 3 Could schemes in climate models Cumulus clouds and mass flux parametrisations Boundary layer and deep convection university-logo

  9. Boundary layer processes in climate Approaches to the parametrization of the boundary layer Boundary layer, clouds and convection Outline Boundary layer processes in climate 1 Boundary layer as a boundary condition Boundary layer and clouds Boundary layer in the "Earth Systemp" Approaches to the parametrization of the boundary layer 2 Scale decomposition Diffusive approaches and their limitations Alternatives to diffusive approaches Boundary layer, clouds and convection 3 Could schemes in climate models Cumulus clouds and mass flux parametrisations Boundary layer and deep convection university-logo

  10. Boundary layer processes in climate Approaches to the parametrization of the boundary layer Boundary layer, clouds and convection Outline Boundary layer processes in climate 1 Boundary layer as a boundary condition Boundary layer and clouds Boundary layer in the "Earth Systemp" Approaches to the parametrization of the boundary layer 2 Scale decomposition Diffusive approaches and their limitations Alternatives to diffusive approaches Boundary layer, clouds and convection 3 Could schemes in climate models Cumulus clouds and mass flux parametrisations Boundary layer and deep convection university-logo

  11. Boundary layer processes in climate Approaches to the parametrization of the boundary layer Boundary layer, clouds and convection Outline Boundary layer processes in climate 1 Boundary layer as a boundary condition Boundary layer and clouds Boundary layer in the "Earth Systemp" Approaches to the parametrization of the boundary layer 2 Scale decomposition Diffusive approaches and their limitations Alternatives to diffusive approaches Boundary layer, clouds and convection 3 Could schemes in climate models Cumulus clouds and mass flux parametrisations Boundary layer and deep convection university-logo

  12. Boundary layer processes in climate Approaches to the parametrization of the boundary layer Boundary layer, clouds and convection Outline Boundary layer processes in climate 1 Boundary layer as a boundary condition Boundary layer and clouds Boundary layer in the "Earth Systemp" Approaches to the parametrization of the boundary layer 2 Scale decomposition Diffusive approaches and their limitations Alternatives to diffusive approaches Boundary layer, clouds and convection 3 Could schemes in climate models Cumulus clouds and mass flux parametrisations Boundary layer and deep convection university-logo

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