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Volume 2, issue 1
Earth Syst. Sci. Data, 2, 1-15, 2010
https://doi.org/10.5194/essd-2-1-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: CARINA: a consistent carbon-relevant data base for the Arctic,...

Earth Syst. Sci. Data, 2, 1-15, 2010
https://doi.org/10.5194/essd-2-1-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.

  11 Jan 2010

11 Jan 2010

Atlantic CFC data in CARINA

R. Steinfeldt1, T. Tanhua2, J. L. Bullister3, R. M. Key4, M. Rhein1, and J. Köhler1 R. Steinfeldt et al.
  • 1Institut für Umweltphysik, Univerität Bremen, Bremen, Germany
  • 2Leibniz-Institut für Meereswissenschaften, Marine Biogeochemie, Kiel, Germany
  • 3NOAA-Pacific Marine Environmental Laboratory, Seattle, WA 98115, USA
  • 4Atmospheric and Oceanic Sciences Program, Princeton University, Princeton, NJ 08544, USA

Abstract. Water column data of carbon and carbon-relevant parameters have been collected and merged into a new database called CARINA (CARbon IN the Atlantic). In order to provide a consistent data set, all data have been examined for systematic biases and adjusted if necessary (secondary quality control (QC)). The CARINA data set is divided into three regions: the Arctic/Nordic Seas, the Atlantic region and the Southern Ocean. Here we present the CFC data for the Atlantic region, including the chlorofluorocarbons CFC-11, CFC-12 and CFC-113 as well as carbon tetrachloride (CCl4). The methods applied for the secondary quality control, a crossover analyses, the investigation of CFC ratios in the ocean and the CFC surface saturation are presented. Based on the results, the CFC data of some cruises are adjusted by a certain factor or given a "poor'' quality flag.

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