Modelled (IMAU Firn Density Model) firn density. Forced at top by RACMO2.3p1 mass fluxes and skin temperature. Averaging period:1979-2011. Unit: kg m-3. Ligtenberg, S. R. M., M. M. Helsen and M. R. van den Broeke, 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. https://www.the-cryosphere.net/5/809/2011/tc-5-809-2011.html Downloaded: 25 November 2016 Data provided as X,Y,VALUE points table. Original resolution: ~27 km, resampled to 35km during import and reprojection. Imported to SHP and then gridded with gdal_grid at 33km resolution. Editor Atmospheric Science Michiel van den Broeke m.r.vandenbroeke@uu.nl Author Stefan Ligtenberg S.R.M.Ligtenberg@uu.nl