ice_ic = b.e15.B1850_WW3.f09_g16.lang_redi_2hr_frz_chl.003.cice.r.0097-01-01-00000.nc
grid_file = /glade/p/cesmdata/cseg/inputdata/ocn/pop/gx1v6/grid/horiz_grid_20010402.ieeer8
kmt_file = /glade/p/cesmdata/cseg/inputdata/ocn/pop/gx1v6/grid/topography_20090204.ieeei4