GO-SHIP (The Global Ocean Ship-based Hydrographic Investigations Program) has developed the protocols and methods to generate a data product that concatenates all occupations of individual sections into a time-series; the GO-SHIP Easy Ocean. Here we provide access to the analysis-ready gridded GO-SHIP Easy Ocean product that enhances the accessibility of this unique data set that spans four decades, comprised of more than 40 cross-ocean transects, many with multiple repeats. This product, of uniformly calibrated CTD (temperature, salinity and oxygen) data, provides easy access to and use of the high-quality hydrographic temperature and salinity data that span more than 40 years. The GO-SHIP Easy Ocean product will underpin the quality control of autonomous platforms, provide a ready assessment of ocean-only and coupled climate model simulations, and be used in specific research projects. The GO-SHIP Easy Oceanis a companion to the GLODAP inorganic and carbon product. The section data are available from Zenodo in two standard arrangements: Uninterpolated (reported) and interpolated (gridded). For both arrangements, five quantities are recorded; in situ temperature in ITS-90 scale, in situ salinity in PSS-78 scale, the dissolved oxygen concentration in μmol/kg, Conservative Temperature in °C, and Absolute Salinity in g/kg. The data are available in various formats. Cite Katsumata et al (2022) when using this product and include the following acknowledgment statement in any publication or derived product: Data were collected and made publicly available by the International Global Ship-based Hydrographic Investigations Program GO-SHIP (https://www.go-ship.org/) and the national programs that contribute to it.

Update History 2025 August Update New additions I08S (2025) AR07E (2020) Reprocessed P10 -- reason Note: batch offset table for salinity Standard Seawater is also updated. 2024 August Update bugfix Gridded NetCDF version had a bug. Only gridded_netcdf.zip is updated. Other output files remain the same as 2024 August Update. 2024 August Update New additions P14N (2023) P13 (2018) P04 (2015) I08S (2024) under I08S-I09N/ I05 (2023) Reprocessed A05 -- reason 2023 October Update New additions A25 (OVIDE) section P02 (2022) P03 (2021) P09 (2022) Reprocessed with newly identified Standard Sea Water correction AR07W (1992, 1993) SR04 (1990) All gridded NetCDF files updated with new citation 2023 February Emergency Update A bug was found in the gridding program. The bug affects small-scale features in the gridded product, The bug does not affect the reported product. All gridded files (ASCII, binary, Matlab, NetCDF) on this CCHDO archive have been updated. 2022 October Update New cruises added: P01 (2021) AR07W (2015) SR03 (2018) SR01 (2018) SR01 (2021) P10 (2014) P03 (2013) New section added: A9.5 2021 October Update New cruises added: A20 (2021) A22 (2021) 2020 September First publication