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The article focuses on the introduction and overview of the CARbon IN the Atlantic (CARINA) data synthesis project. It highlights the original goal of the CARINA data synthesis project was to create a merged calibrated data set from open ocean subsurface measurements by European scientist that would be generally useful for biogeochemical investigations in the North Atlantic. It reports the next planned step for is to merge CARINA and Global Ocean Data Analysis Project (GLODAP).

The article offers information on the use of the database CARbon IN the Atlantic (CARINA) to collect water column data of carbon and carbon-relevant hydrographic and hydrochemical parameters in the Atlantic Ocean. It presents an overview of the Atlantic Ocean synthesis of the CARINA data and the adjustments that were applied to the data product. It briefly describes the procedures of quality control including crossover analysis between stations, and inversion analysis of all crossover data.

The article presents an overview of the Atlantic Ocean synthesis of the Carbon In the Atlantic (CARINA) and the adjustments being applied to the data product. It notes the use of crossover analysis to get the estimated internal accuracy of salinity data which is 4.1 parts per million. It infers that through the consistency of the internal adjustments, the CARINA database is now fit for accurate assessments in terms of oceanic carbon inventories, uptake rates and model validation.