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Abstract
The World Ocean Database (WOD) is an NCEI product and an IODE (International Oceanographic Data and Information Exchange) project.
This work is funded in partnership with the NOAA OAR Ocean Observing and Monitoring Division.
The World Ocean Database 2018 (WOD18) was pre-released on September 20, 2018 and now it is in its final form. It contains all data in the World Ocean Database up to unique cast 18,604,996, roughly all data added up to December 31, 2017. There are some plankton tows added after that date (and unique cast number). These plankton tow data are from accession numbers 0051894, 0051914, and 0046299. There are also 3,209 casts from the Argo program with latter unique casts higher than the above cast number. It is important to note the exact data set of WOD18 (version) as it is the input, both data and quality flagging for the World Ocean Atlas 2018 (WOA18).
Some major additions for WOD18 are the inclusion of BioArgo data, the addition of more than one million glider cycles, and the change of oxygen, nutrient, and tracer units from per liter to per kilogram.