type=continuous projection=regular_ll dx=0.144 dy=0.144 known_x=1.0 known_y=1.0 known_lat=-89.928 known_lon=-179.928 wordsize=1 tile_x=1250 tile_y=1250 tile_z_start=1 tile_z_end=12 tile_bdr=3 units="percent" description="Monthly surface albedo"