Biogeochemical Argo - Data Products

WOA23

Primary Contact of the Product:

Hernan Garcia
  • Affiliation:UC Berkeley
  • Country:USA
  • Email:hernan.garcia at noaa.gov

WOA23

  • Acronym:WOA23
  • Product Name:World Ocean Atlas 2023, Volume 3: Dissolved Oxygen, Apparent Oxygen Utilization and Oxygen Saturation
  • Feature Type: Grid
  • Gap-Filling Method: Objective analysis
  • Spatial Resolution: 1° × 1°
  • Depth Range: 0 - 5500 m (102 levels)
  • Temp. resolution: Multi-Year Monthly ClimatologyEntire Composite Multi-Year ClimatologyMulti-Year Seasonal Climatology
  • Time Range: 1965 > 2022
  • Update Frequency: Every 4-5 years
  • Ref. dataset(s): Global data sources including BGC-Argo
  • Ancillary dataset(s): WOA23 Temperature, Salinity, Oxygen,Nutrients
  • File Format: NetCDF4

Product Links

  • Variables Scope:
  • Detailed Variables: O2
  • Area of coverage: Global Ocean
  • Spatial Resolution: 1° × 1°
WOA23: World Ocean Atlas 2023, Volume 3: Dissolved Oxygen, Apparent Oxygen Utilization, and Oxygen Saturation.

WOA23 O2, AOU, and O2 saturation is a observation-based and quality controlled global ocean mean statistical and objectively analyzed climatologies for the composites 1965 to 2022 (WOA23F) and 1971 to 2000 (WOA23N; 30 year “climate normal” time periods). WOA23F uses O2 measurements from Winkler titrations and sensor based [CTD as well as bias corrected Argo (delayed mode Argo, deep Argo, as well as BGC Argo)] totaling ~27.4 million measurements (~1 million profiles) from the World Ocean Database 2023 (Mishonov et al. 2024). WOA23N uses Winkler and CTD data only. WOA23F is compared with GLODAP (Lauvset et al. 2022), GOBAI (Sharp et al. 2023), and RB23 (Roach and Bindoff, 2023).

Authors Affiliation
Garcia, H.E.
(NOAA, USA)
Z. Wang
(NOAA, USA)
C. Bouchard
(NOAA, USA)
S.L. Cross
(NOAA, USA)
C.R. Paver
(NOAA, USA)
J.R. Reagan
(NOAA, USA)
T.P. Boyer
(NOAA, USA)
R.A. Locarnini
(NOAA, USA)
A.V. Mishonov
(NOAA, USA)
O. Baranova
(NOAA, USA)
D. Seidov (retired)
(NOAA, USA)
D. Dukhovskoy
(NOAA, USA)
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