callfm%register('dxc','m','dx at T-points',dimensions=(/id_dim_lon,id_dim_lat/),no_default_dimensions=.true.,data2d=dxc(_2D_W_),category="metrics",output_level=output_level_debug)
callfm%register('dyc','m','dy at T-points',dimensions=(/id_dim_lon,id_dim_lat/),no_default_dimensions=.true.,data2d=dyc(_2D_W_),category="metrics",output_level=output_level_debug)