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Overview of the Nordic Seas CARINA data and salinity measurements

Artikel i vetenskaplig tidskrift
Författare Are Olsen
R. M. Key
Emil Jeansson
E. Falck
J. Olafsson
S. van Heuven
I. Skjelvan
A. M. Omar
Anders Olsson
Leif G Anderson
Sara Jutterström
F. Rey
T. Johannessen
R. G. J. Bellerby
J. Blindheim
J. L. Bullister
B. Pfeil
X. Lin
A. Kozyr
C. Schirnick
T. Tanhua
D. W. R. Wallace
Publicerad i Earth System Science Data Discussions
Volym 2
Sidor 1-25
ISSN 1866-3591
Publiceringsår 2009
Publicerad vid Institutionen för kemi
Sidor 1-25
Språk en
Länkar www.earth-syst-sci-data-discuss.net...
Ämneskategorier Kemi

Sammanfattning

Water column data of carbon and carbon relevant hydrographic and hydrochemical parameters from 188 previously non-publicly available cruises in the Arctic, Atlantic, and Southern Ocean have been retrieved and merged into a new database: CARINA (CARbon IN the Atlantic). The data have been subject to rigorous quality control (QC) in order to ensure highest possible quality and consistency. The data for most of the parameters included were examined in order to quantify systematic biases in the reported values, i.e. secondary quality control. Significant biases have been corrected for in the data products, i.e. the three merged files with measured, calculated and interpolated values for each of the three CARINA regions; the Arctic Mediterranean Seas (AMS), the Atlantic (ATL) and the Southern Ocean (SO). With the adjustments the CARINA database is consistent both internally as well as with GLODAP (Key et al., 2004) and is suitable for accurate assessments of, for example, oceanic carbon inventories and uptake rates and for model validation. The Arctic Mediterranean Seas includes the Arctic Ocean and the Nordic Seas, and the quality control was carried out separately in these two areas. This contribution provides an overview of the CARINA data from the Nordic Seas and summarises the findings of the QC of the salinity data. One cruise had salinity data that were of questionable quality, and these have been removed from the data product. An evaluation of the consistency of the quality controlled salinity data suggests that they are consistent to at least 0.05.

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