 SMC125120 5 level grid zlon zlat dlon dlat for size-1 cells.  JGLi16Jul2025
  0.0  0.0  0.017578125  0.012500
 /data/users/jianguo.li/Bathy/GEBCO3km/   /data/users/jianguo.li/Bathy/GEBCO3km/DatGMC/
  1  Number of polar cells or polar parts. 0 implies no Arctic part.
 /data/users/jianguo.li/S125120Tx/ww3.    /data/users/jianguo.li/Bathy/GEBCO3km/OutDat/  10 

