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  • Future of the Louvain-la-Neuve

    sea ice model (LIM)

    François Massonnet

    A. Barthélemy • S. Bouillon • T. Fichefet • H. Goosse

    O. Lecomte • S. Moreau • A. Pestiaux • J. Raulier

    R. Stevens • M. Vancoppenolle • G. Vergé-Dépré

    NEMO Users Meeting

    7-8th July 2014

  • Realistic ice thickness profile

  • How the LIM looked like yesterday

    Realistic ice thickness profile LIM2

  • Realistic ice thickness profile LIM2

    How the LIM looked like yesterday

  • Realistic ice thickness profile

    How the LIM looks like today

    LIM3

  • Realistic ice thickness profile

    How the LIM looks like today

    LIM3

  • Realistic ice thickness profile

    How the LIM looks like today

    LIM3

    LIM = LIM3

    = Ice thickness distribution

  • Realistic ice thickness profile LIM3

    How the LIM looks like today

    LIM = LIM3

    = Ice thickness distribution +

    Salinity variations

  • Realistic ice thickness profile LIM3

    How the LIM looks like today

    LIM = LIM3

    = Ice thickness distribution +

    Salinity variations +

    Elastic Viscous Plastic Rheology (C-Grid)

  • LIM3

    How the LIM looks like today

    LIM = LIM3

    = Ice thickness distribution +

    Salinity variations +

    Elastic Viscous Plastic Rheology (C-Grid)

    www.climate.be/lim

    Realistic ice thickness profile

  • LIM as a reference

    sea ice model

    LIM as a component of

    Earth System Models

    LIM as a tool

    for data analysis

    Three directions for the

    Louvain-la-Neuve sea ice model

  • Three directions for the

    Louvain-la-Neuve sea ice model

    LIM as a reference

    sea ice model

    LIM as a component of

    Earth System Models

    LIM as a tool

    for data analysis

  • [Lecomte et al., 2014, submitted.]

    Inclusion of detailed melt pond

    scheme [Flocco et al., JGR, 2007]

    A comprehensive snow

    model on sea ice

    Modelling the effects of wind on

    snow density and redistribution

    [Lecomte et al., 2013, JAMES]

    depth

  • [J. Raulier PhD thesis, started Sept. 2013]

    A more realistic rheology

    for the sea ice pack

    Elasto-brittle rheology in LIM

  • Refining the ocean-

    sea ice interactions

    50 m−50 0 150 m

    [Barthélemy et al., in preparation]

    −150 0

    Oceanic mixed-layer depth change after

    inclusion of brine rejection parameterization

  • LIM as a reference

    sea ice model

    LIM as a component of

    Earth System Models

    LIM as a tool

    for data analysis

    Three directions for the

    Louvain-la-Neuve sea ice model

  • Sea ice data assimilation for better

    seasonal-to-decadal predictions

    [Massonnet et al., 2014, submitted]

    RMSE (%)

    RMSE September Arctic sea ice concentration

    with respect to observations

    Skill

    in March

  • LIM as a reference

    sea ice model

    LIM as a component of

    Earth System Models

    LIM as a tool

    for data analysis

    Three directions for the

    Louvain-la-Neuve sea ice model

  • Making sea ice an active player

    of biogeochemical cycles

    Inclusion of carbon tracers (DIC and TA) in sea ice:

    Significant modification of ocean-atmosphere CO2 fluxes and DIC export

    [Moreau et al., in preparation]

  • LIM as a reference

    sea ice model

    LIM as a component of

    Earth System Models

    LIM as a tool

    for data analysis

    Three directions for the

    Louvain-la-Neuve sea ice model

  • www.climate.be/lim

    [email protected]

    www.climate.be/u/fmasson

    @FMassonnet

    Thank you

    A. Barthélemy • S. Bouillon • T. Fichefet • H. Goosse

    O. Lecomte • S. Moreau • A. Pestiaux • J. Raulier

    R. Stevens • M. Vancoppenolle • G. Vergé-Dépré