{"ob_id":72021,"names":[],"terms":[{"ob_id":144,"label":"units","value":"kg kg-1","vocabulary":""},{"ob_id":5915,"label":"standard_name","value":"mass_fraction_of_black_carbon_dry_aerosol_in_air","vocabulary":"cf_standard_names"},{"ob_id":74125,"label":"var_id","value":"sfmmrbc","vocabulary":""},{"ob_id":74126,"label":"long_name","value":"BC Mass Mixing Ratio in the Lowest Model Layer","vocabulary":""}]}