Institute for Marine and Atmospheric Research (IMAU)

Ice and Climate: Regional modelling

 

Antarctica

Introduction

Lenaerts et al., 2012

Over the years, RACMO and the Firn Densification Model (FDM) have been applied to Antarctica using various model versions, at different resolutions and with different forcing at the lateral boundaries. Below is a list with executed runs and whether the data are still available. Since the FDM is forced by RACMO data, the data is presented in order of decreasing RACMO versions.

 

RACMO2.3 Present day

Name:

ANT27/2

Version:

RACMO2.3

Resolution:

27.5 km (0.25°), 262 x 240 points, 40 levels

Domain:

Antarctic continent

Period:

1979-2014

Forcing:

ERA-Interim

RACMO data:

Available

FDM data:

Available

Key publications:

  • Van Wessem et al., 2014. Improved representation of East Antarctica surface mass balance in a regional climate model. J. Glac., 60(222), 761-770, doi: 10.3189/2014JoG14J051.
  • Firn data unpublished

Name:

ANT5.5/DML

Version:

RACMO2.3

Resolution:

5.5 km (0.05°), 456 x 330 points, 40 levels

Domain:

Antarctica Dronning Maud Land

Period:

1979-2012

Forcing:

ERA-Interim

RACMO data:

Available

FDM data:

Not available

Key publications:

  • Lenaerts et al., 2013. Recent snowfall anomalies in Dronning Maud Land, East Antarctica, in a historical and future climate perspective. Geophys. Res. Lett., 40, doi: 10.1002/grl.50559.
  • Firn data unpublished

Name:

ANT5.5/Pen

Version:

RACMO2.3

Resolution:

5.5 km (0.05°), 330 x 294 points, 40 levels

Domain:

Antarctic Peninsula

Period:

1979-2013

Forcing:

ERA-Interim

RACMO data:

Available

FDM data:

Available

Key publications:

  • Van Wessem, et al., 2015. The modelled surface mass balance of the Antarctic Peninsula at 5.5 km horizontal resolution. The Cryosphere, 10, 271-285. doi: 10.5194/tc-10-271-2016.
  • Firn data unpublished
 

RACMO2.1 Present day

Name:

ANT27

Version:

RACMO2.1

Resolution:

27.5 km (0.25°), 262 x 240 points, 40 levels

Domain:

Antarctic continent

Period:

1979-2013

Forcing:

ERA-Interim

RACMO data:

Superseded

FDM data:

Superseded

Key publications:

  • Lenaerts et al., 2012. A new, high-resolution surface mass balance map of Antarctica (1979-2010) based on regional atmospheric climate modeling. Geophys. Res. Lett., 39, L04501, doi:10.1029/2011GL050713.
  • Ligtenberg et al., 2011. An improved semi-empirical model for the densification of Antarctic firn. The Cryosphere, 5, 809-819, doi: doi:10.5194/tc-5-809-2011.

Name:

ANT5.5/TAD

Version:

RACMO2.1

Resolution:

5.5 km (0.05°), 306 x 306 points, 40 levels

Domain:

Antarctica Terre Adèlie land

Period:

2009

Forcing:

ANT27

RACMO data:

Available

FDM data:

Not available

Key publications:

  • Lenaerts et al., 2012. Impact of model resolution on simulated wind, drifting snow and surface mass balance in Terre Adélie, East Antarctica. J. Glaciol., 58(211), 821-829, doi:10.3189/2012JoG12J020.
  • No firn data to be published.
 

RACMO2.1 21st century

Name:

ANT55/ECH

Version:

RACMO2.1

Resolution:

55 km (0.5°), 134 x 122 points, 40 levels

Domain:

Antarctic continent

Period:

1980-2099

Forcing:

ECHAM5, A1B + E1 scenarios

RACMO data:

Available

FDM data:

Not available

Key publications:

  • Ligtenberg et al., 2013. Future surface mass balance of the Antarctic ice sheet and its influence on sea level change, simulated by a regional atmospheric climate model, Clim. Dyn., doi: 10.1007/s00382-013-1749-1.
  • No firn data to be published.

Name:

ANT55/HAD

Version:

RACMO2.1

Resolution:

55 km (0.5°), 134 x 122 points, 40 levels

Domain:

Antarctic continent

Period:

1980-2199

Forcing:

HadCM3, A1B + E1 scenarios

RACMO data:

Available

FDM data:

A1B scenario available

Key publications:

  • Ligtenberg et al., 2013. Future surface mass balance of the Antarctic ice sheet and its influence on sea level change, simulated by a regional atmospheric climate model, Clim. Dyn., doi: 10.1007/s00382-013-1749-1.
  • Ligtenberg et al., 2014. Present and future variations in Antarctic firn air content. The Cryosphere, 8, 1711-1723, doi:10.5194/tc-8-1711-2014.
 

RACMO2.0 Present day

Name:

ANT55/2

Version:

RACMO2.1

Resolution:

55 km (0.5°), 134 x 122 points, 40 levels

Domain:

Antarctic continent

Period:

1958-2004

Forcing:

ERA-40 + ECMWF operational analyses

RACMO data:

Superseded

FDM data:

Not available

Key publications:

  • Van de Berg et al., 2005. Characteristics of the Antarctic surface mass balance, 1958-2002, using a Regional Atmospheric Climate Model. Ann. Glaciol. 41, 97-104.
  • No firn data to be published.
 

RACMO1 Present day

Name:

ANT55

Version:

RACMO1

Resolution:

55 km (0.5°), 122 x 130 points, 20 levels

Domain:

Antarctic continent

Period:

1979-1994

Forcing:

ERA-15

RACMO data:

Superseded

FDM data:

Not available

Key publications:

  • Van Lipzig et al., 2002. The spatial and temporal variability of the surface mass balance in Antarctica: results from a regional climate model. Int. J. Climatol., 22, 1197-1217.
  • No firn data to be published.

Name:

ANT14

Version:

RACMO1

Resolution:

14 km (0.13°), ?? x ?? points, 20 levels

Domain:

Antarctic Peninsula

Period:

1980-2199

Forcing:

ERA-15

RACMO data:

Superseded

FDM data:

Not available

Key publications:

  • Van Lipzig et al., 2004. Precipitation, sublimation, and snow drift in the Antarctic Peninsula region from a regional atmospheric model. J. Geophys. Res., 109, D24106, doi:10.1029/2004JD004701.
  • No firn data to be published.