# Meta data

## Variables:
WMO_ID: float identification number
Prof_num: profile number
mon_day_yr: time format month_day_year
hh_mm: time format hour_minute
Lon_E: longitude degrees east
Lat_N: latitude degrees north
Position_QF: quality flag for latitude and longitude
Pressure_dbar: pressure reported in decibar
Pressure_dbar_QF: quality flag for pressure
Temperature_C: temperature degrees Celsius
Temperature_C_QF: quality flag for temperature
Salinity_pss: salinity practical salinity scale
Salinity_pss_QF: quality flag for salinity
Sigma_theta_kg_m3: potential density anomaly kilograms per meter cubed
Sigma_theta_kg_m3_QF: quality flag for sigma theta
Depth_m: depth meters
Depth_m_QC: quality flag for depth
Oxygen_umol_kg: dissolved oxygen micromole per kilogram
Oxygen_umol_kg_QF: quality flag for dissolved oxygen
OxygenSat: oxygen saturation
OxygenSat_QF: quality flag for oxygen saturation
Nitrate_umol_kg: nitrate mole per kilogram
Nitrate_umol_kg_QF: quality flag for nitrate
pHinsitu_Total: pH in situ total scale
pHinsitu_Total_QF: quality flag for pH in situ
TALK_ALGORITHM_umol_kg: total alkalinity micromole per kilogram. Estimated with ESPER_NN, ESPER_LIR, CANYONB inputs Temperature_C, Salinity_pss, Lat_N, Lon_E
DIC_ALGORITHM_umol_kg: dissolved inorganic carbon micromole per kilogram. Estimated with Estimated with ESPER_NN, ESPER_LIR, CANYONB inputs inputs Temperature_C, Salinity_pss, Oxygen_umol_kg, Lat_N, Lon_E, mon_day_yr, hh_mm. Ocean Acidification on.
pH_ALGORITHM_insitu_total: pH in situ total scale. Estimated with Estimated with ESPER_NN, ESPER_LIR, CANYONB inputs Temperature_C, Salinity_pss, Oxygen_umol_kg, Lat_N, Lon_E, mon_day_yr, hh_mm. Ocean Acidification on.
PO4_ALGORITHM_umol_kg: phosphate estimated from CanyonB inputs Temperature_C, Salinity_pss, Oxygen_umol_kg, Lat_N, Lon_E, mon_day_yr, hh_mm.
NO3_ALGORITHM_umol_kg: nitrate estimated from CanyonB inputs Temperature_C, Salinity_pss, Oxygen_umol_kg, Lat_N, Lon_E, mon_day_yr, hh_mm.
SILICATE_ALGORITHM_umol_kg: silicate estimated from CanyonB inputs Temperature_C, Salinity_pss, Oxygen_umol_kg, Lat_N, Lon_E, mon_day_yr, hh_mm.
DIC_pHTA_umol_kg: DIC calculated with CO2SYSv3 inputs TALK_ALGORITHM_umol_kg, pHinsitu_Total, PO4_ALGORITHM_umol_kg, NO3_ALGORITHM_umol_kg, SILICATE_ALGORITHM_umol_kg
PCO2_pHTA_uatm: PCO2 calculated with CO2SYSv3 inputs TALK_ALGORITHM_umol_kg, pHinsitu_Total, PO4_ALGORITHM_umol_kg, NO3_ALGORITHM_umol_kg, SILICATE_ALGORITHM_umol_kg

## Quality flags:
0 = Good data
4 = Questionable data
8 = Bad data
1 = Missing or not inspected

## Notes:
'CORE_ARGO_ROMS.csv' does not include quality flags because it only contains data QF = 0.
Uncertainty: SigmaTA = 15umol/kg, SigmaDIC = 10umol/kg, sigmapH = 0.05, sigmaNO3 = 3umol/kg