World Ocean Atlas 2013 (WOA13)

entry, Hydrography, Macronutrients, Oxygen
World Ocean Atlas 2013 version 2 (WOA13 V2) is a set of objectively analyzed (1° grid) climatological fields of in situ temperature, salinity, dissolved oxygen, Apparent Oxygen Utilization (AOU), percent oxygen saturation, phosphate, silicate, and nitrate at standard depth levels for annual, seasonal, and monthly compositing periods for the World Ocean.


published yes
availability public
link to data


type observations (objectively analysed)
gridded yes
formats nc, csv, ArcGIS, ascii (discouraged)


period present
coverage climatology using years 1955–2012
resolution annual, seasonal, monthly
climatology yes


coverage global
resolution 1° by 1° some at 0.25° by 0.25° and 5° by 5°
depth depth resolved (102 levels between 0 m and 5500 m)

Major Variables

Key References

  • Locarnini, R. A., A. V. Mishonov, J. I. Antonov, T. P. Boyer, H. E. Garcia, O. K. Baranova, M. M. Zweng, C. R. Paver, J. R. Reagan, D. R. Johnson, M. Hamilton, and D. Seidov, 2013. World Ocean Atlas 2013, Volume 1: Temperature. S. Levitus, Ed., A. Mishonov Technical Ed.; NOAA Atlas NESDIS 73, 40 pp.
  • citable publications for each WOA13 variable can be found here:

More Information

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