transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes...

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Page 1: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

Page 2: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

transport Coriolisgravité

Sources

Page 3: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

Page 4: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

Page 5: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

Page 6: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

Page 7: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

Adiabatic ascent

Entrainment

Detrainment

LNB

LCL

Unsaturateddowndraught

Emanuel scheme

Mixed saturateddraughts

Adiabatic ascent

Page 8: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

Page 9: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

Orography

PBL

Shallowconvection

ALE,oro,therm

ALP,oro,dyn

ALP

ALE

ALP

Deepconvection

DensityCurrents

Page 10: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

Mali, August 2004F. Guichard, L. Kergoat

Cold poolDensity currentWake

Gust front

Lifting

Convective column

Anvil

Wake

Precipitating Downdraught

Lifting

Page 11: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

Simulated wake propertiesHAPEX92: 21 Aug 1992 squall line case

TOGA-COARE: 22 Feb 1993 squall line case

Page 12: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

Page 13: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

Page 14: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

Page 15: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

Page 16: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

Page 17: transport gravité Coriolis - Sorbonne Universitéjyg/lmdz_20130114_param.pdfThermal plumes calltherm and ajsec (sec Thermal plume clouds clouds gno Large scale condensation fisrtilp

LMD IPCC/AR4 Nouvelle physique

Couche limite Diffusion turbulente + Diffusion turbulente (MellorContre gradient et Yamada)(Louis/Laval) +

Schéma en flux de massecouche limite convective(modèle du thermique)

Convection Schéma en flux de masse Schéma d'Emanuel modifié.d'Emanuel. Fermeture CAPE Decl./Fermeture en ALE/ALP

Couplé au modèle du thermique+ poches froides

Surface Modèle Sechiba à 2 couches Modèle Sechiba à 11 couches(Patricia de Rosnay)

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