{"ob_id":74554,"names":[],"terms":[{"ob_id":11208,"label":"units","value":"K m2 kg-1 s-1","vocabulary":""},{"ob_id":11210,"label":"standard_name","value":"ertel_potential_vorticity","vocabulary":"cf_standard_names"},{"ob_id":75846,"label":"var_id","value":"vorpot","vocabulary":""},{"ob_id":75847,"label":"long_name","value":"Ertel Potential Vorticity","vocabulary":""}]}