{"ob_id":79250,"names":[],"terms":[{"ob_id":78,"label":"units","value":"1","vocabulary":""},{"ob_id":11364,"label":"var_id","value":"sigma","vocabulary":""},{"ob_id":20369,"label":"standard_name","value":"ocean_sigma_coordinate","vocabulary":"cf_standard_names"},{"ob_id":85076,"label":"long_name","value":"mid vetical POLCOMS sigma coordinate, -1=sea bed, 0 = surface","vocabulary":""}]}