DSET ^frz_depth.grd TITLE Arctic EASE-grid Freeze and Thaw Depths UNDEF -999.9 OPTIONS BIG_ENDIAN XDEF 360 LINEAR 0.5 1.0 YDEF 90 LINEAR 0.5 1.0 ZDEF 1 LEVELS 1000 TDEF 101 LINEAR Jan1901 1yr VARS 1 frz 1 99 freeze depth [m] ENDVARS