{"ob_id":7128,"names":[{"ob_id":4051,"name":"Primary swell wave period"},{"ob_id":4052,"name":"sea_surface_swell_wave_mean_period_from_variance_spectral_density_first_frequency_moment"}],"terms":[{"ob_id":6796,"label":"long_name","value":"Primary swell wave period","vocabulary":""},{"ob_id":6797,"label":"standard_name","value":"sea_surface_swell_wave_mean_period_from_variance_spectral_density_first_frequency_moment","vocabulary":"cf_standard_names"}]}