DSET ^so2_emissions_25.grd TITLE EMEP so2 emissions 25 OPTIONS LITTLE_ENDIAN UNDEF 3e33 XDEF 49 LINEAR -45 2.5 YDEF 23 LINEAR 25 2.5 ZDEF 1 LINEAR 0 1 TDEF 41 LINEAR 15JAN1980 1YR VARS 1 so2 0 99 so2 emissions 25 [kg/m2/yr] ENDVARS