beam_c beta_700nm cdom chlorophyll_a conductivity crs ctd41cp_timestamp density depth instrument_ctd instrument_flbbcdslc latitude longitude m_pitch m_roll m_science_clothesline_lag oxygen_concentration oxygen_saturation platform potential_temperature pressure profile_id profile_lat profile_lon profile_time salinity sci_bsipar_par sci_lisst_meansize sci_lisst_totvol sci_m_present_secs_into_mission sci_m_present_time sci_water_pressure sound_speed source_file temperature time trajectory u v water_depth