A new paper on "Accumulation over the Greenland Ice Sheet as Represented in Reanalysis Data" have been published by Chen et al. in Advance Advances in Atmospheric Sciences.
Mean (1989-2001) annual precipitation over the GrIS from (a) ERA-40, (b) ERA-interim, (c) NCEP-1, and (d) NCEP-2; Mean (1989-2001) annual evaporation over the GrIS from (e) ERA- 40, (f) ERA-interim, (g) NCEP-1, and (h) NCEP-2. Units: mm/yr.