Antarctic surface mass balance with the regional climate model MAR (1979–2015)

Outputs of the regional climate model MAR v3.6.41 for Antarctica, resolution 35km + source code

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Cécile Agosta, 23 Jan 2019 

cecile.agosta@gmail.com

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Grid specifications are given in MAR-ant35km-grid.nc (projection : EPSG 3031).

* State variables are averages of daily means:

    TT > temperature (°C)

    ZZ > height above sea level (m)

    UU, VV > x-wind and y-wind in the stereographic grid (m s-1)

    UV > wind speed (m s-1)

State variables ending with z (e.g. UUz) are interpolated on fixed altitude levels above the ground.

State variables ending with p (e.g. UUp) are interpolated on fixed pressure levels.

* SMB components are summed: kg m-2 month-1 for montly files, kg m-2 year-1 for annual files, kg m-2 year-1 for clim files

    snf > snowfall

    rnf > rainfall

    rof > run-off

    sbl > sublimation/condensation

    smb = snf + rnf - sbl - rof

    mlt > snowmelt

    rfz > refreezing

If you use this data, please cite the final accepted version of this article:

Agosta C., Amory C., Kittel C., Orsi A., Favier V., Gallée H., van den Broeke M.R., Lenaerts J.T., van Wessem J.M., & Fettweis X. (in review, 2018). Estimation of the Antarctic surface mass balance using MAR (1979-2015) and identification of dominant processes. The Cryosphere Discussions, 1–22, doi:10.5194/tc-2018-76.

Please contact me if you need other outputs (variables/daily or hourly time steps)