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IOCCP is committed to promoting and developing interoperable data management activities and policies to ensure open access to, and preservation of, fully documented ocean carbon and biogeochemistry data. A key activity is to promote the integration of ocean carbon and biogeochemistry information into research and assessments including the use of relevant data synthesis products. For more than a decade, IOCCP has continued to support the development of two global data synthesis projects, both constituting a tremendous community effort: Surface Ocean CO2 Atlas (SOCAT; www.socat.info) and the Global Ocean Data Analysis Project (GLODAP; www.glodap.info). These successful efforts have resulted in two mature products with regular updates providing a key source of information on the global distribution and trends in biogeochemical EOVs in the surface ocean and the ocean interior, respectively. Both SOCAT and GLODAP have been used for a number of applications, including climate modelling and assessments. Please follow the links below to learn more about SOCAT and GLODAP, to access the newest product releases, and to submit your data.
IOCCP continues to support new ideas for future synthesis products related to for example dissolved oxygen measurements from multiple observing platforms, or for various applications requiring data from a global network of time series stations.
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GLOBAL OCEAN DATA ANALYSIS PROJECT
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SURFACE OCEAN CO2 ATLAS
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SOCATv2021 released in June 2021
Quality-controlled, synthesis and gridded products in SOCAT version 2021 contain 30.6 million in situ surface ocean fCO2 measurements with an estimated accuracy of < 5 μatm. A further 2.1 million fCO2 values with an accuracy of < 10 μatm are also available. Data collection has continued during the pandemic, albeit at a reduced rate.
We want to thank all >100 data contributors, quality controllers and other contributors who made SOCAT version 2021 possible, and acknowledge the continued leadership of Dorothee Bakker (UEA, UK) in producing the annual SOCAT release.
GLODAPv2.2021 released in July 2021
GLODAPv2.2021 is an update of the previous version, with 43 additional cruises, extension of time coverage until 2020, and the inclusion of DOIs for each individual cruise. GLODAPv2.2021 includes measurements from more than 1.3 million water samples from the global oceans collected on 989 cruises. The data for the 12 core variables have undergone extensive quality control, especially systematic evaluation of bias. The data are available in two formats: (i) as submitted by the data originator but updated to WOCE exchange format and (ii) as a merged data product with adjustments applied to minimize bias.
The original data, their documentation and doi codes are available at the Ocean Carbon Data System of NOAA NCEI. This site also provides access to the merged data product, which is provided as a single global file and as four regional ones. An accompanying manuscript has been submitted for consideration for publication in Earth System Science Data: https://essd.copernicus.org/preprints/essd-2021-234/. See also the GLODAPv2.2021 release poster.