_RL total_ocean_carbon_year
& total_ocean_carbon_year,
year_diff_ocean = total_ocean_carbon-total_ocean_carbon_year
& (total_ocean_carbon_year+total_atmos_carbon_year)
total_ocean_carbon_year = total_ocean_carbon
total_ocean_carbon_year = total_carbon
total_ocean_carbon_year = 0. _d 0