A multi-decade record of high-quality fCO2 data in version 3 of the Surface Ocean CO2 Atlas (SOCAT)

Dorothee C. E. Bakker 1 Benjamin Pfeil 2 Camilla S. Landa 3 Nicolas Metzl 4 Kevin M. O’brien 5 Are Olsen 3, 6 Karl Smith 7, 5 Cathy Cosca 5 Sumiko Harasawa 8 Stephen D. Jones 3 Shin-Ichiro Nakaoka 8 Yukihiro Nojiri 8 Ute Schuster 9 Tobias Steinhoff 10 Colm Sweeney 11 Taro Takahashi 12 Bronte Tilbrook 13 Chisato Wada 8 Rik Wanninkhof 14 Simone R. Alin 5 Carlos F. Balestrini 15 Leticia Barbero 14, 16 Nicholas R. Bates 17 Alejandro A. Bianchi 15 Frédéric Bonou 18 Jacqueline Boutin 19 Yann Bozec 20 Eugene F. Burger 5 Wei-Jun Cai 21 Robert D. Castle 14 Liqi Chen 22 Melissa Chierici 23 Kim Currie 24 Wiley Evans 5 Charles Featherstone 14 Richard A. Feely 5 Agneta Fransson 25 Catherine Goyet 26 Naomi Greenwood 27 Luke Gregor 28 Steven Hankin 5 Nick J. Hardman-Mountford 29 Jérôme Harlay 30 Judith Hauck 31 Mario Hoppema 31 Matthew P. Humphreys 17 Christopher W. Hunt 32 Betty Huss 14 J. Severino P. Ibánhez 33 Truls Johannessen 3 Ralph Keeling 34 Vassilis Kitidis 35 Arne Körtzinger 10 Alex Kozyr 36 Evangelia Krasakopoulou 37 Akira Kuwata 38 Peter Landschützer 39 Siv K. Lauvset 6, 40 Nathalie Lefèvre 41 Claire Lo Monaco 4 Ansley Manke 5 Jeremy T. Mathis 5 Liliane Merlivat 19 Frank J. Millero 42 Pedro M. S. Monteiro 28 David R. Munro 43 Akihiko Murata 44 Timothy Newberger 45 Abdirahman M. Omar 2, 40 Tsuneo Ono 46 Kristina Paterson 29 David Pearce 27 Denis Pierrot 14, 16 Lisa L. Robbins 47 Shu Saito 48 Joe Salisbury 49 Reiner Schlitzer 50 Bernd Schneider 51 Roland Schweitzer 52 Rainer Sieger 31 Ingunn Skjelvan 3 Kevin F. Sullivan 14 Stewart C. Sutherland 12 Adrienne J. Sutton 5, 7 Kazuaki Tadokoro 38 Maciej Telszewski 53 Matthias Tuma 54 Steven M. A. C. Van Heuven 55 Doug Vandemark 32 Brian Ward 56 Andrew J. Watson 9 Suqing Xu 22
4 E-CO2 - Equipe CO2
LOCEAN - Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques
19 IPSO - Interactions et Processus au sein de la couche de Surface Océanique
LOCEAN - Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques
26 IMAGES-Espace DEV - Institut de Modélisation et d'Analyses en Géo-Environnement et Santé - Espace Développement
UPVD - Université de Perpignan Via Domitia : EA4218, UMR 228 Espace-Dev, Espace pour le développement
41 ABC - Austral, Boréal et Carbone
LOCEAN - Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques
Abstract : The Surface Ocean CO2 Atlas (SOCAT) is a synthesis of quality-controlled fCO2 (fugacity of carbon dioxide) values for the global surface oceans and coastal seas with regular updates. Version 3 of SOCAT has 14.7 million fCO2 values from 3646 data sets covering the years 1957 to 2014. This latest version has an additional 4.6 million fCO2 values relative to version 2 and extends the record from 2011 to 2014. Version 3 also significantly increases the data availability for 2005 to 2013. SOCAT has an average of approximately 1.2 million surface water fCO2 values per year for the years 2006 to 2012. Quality and documentation of the data has improved. A new feature is the data set quality control (QC) flag of E for data from alternative sensors and platforms. The accuracy of surface water fCO2 has been defined for all data set QC flags. Automated range checking has been carried out for all data sets during their upload into SOCAT. The upgrade of the interactive Data Set Viewer (previously known as the Cruise Data Viewer) allows better interrogation of the SOCAT data collection and rapid creation of high-quality figures for scientific presentations. Automated data upload has been launched for version 4 and will enable more frequent SOCAT releases in the future. Highprofile scientific applications of SOCAT include quantification of the ocean sink for atmospheric carbon dioxide and its long-term variation, detection of ocean acidification, as well as evaluation of coupled-climate and ocean-only biogeochemical models. Users of SOCAT data products are urged to acknowledge the contribution of data providers, as stated in the SOCAT Fair Data Use Statement. This ESSD (Earth System Science Data) “living data” publication documents the methods and data sets used for the assembly of this new version of the SOCAT data collection and compares these with those used for earlier versions of the data collection (Pfeil et al., 2013; Sabine et al., 2013; Bakker et al., 2014). Individual data set files, included in the synthesis product, can be downloaded here: http://dx.doi.org/10.1594/PANGAEA.849770. The gridded products are available here: http://dx.doi.org/10.3334/CDIAC/OTG.SOCAT_V3_GRID.
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Article dans une revue
Earth System Science Data, Copernicus Publications, 2016, 8, pp.383-413. <10.5194/essd-8-383-2016>
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Dorothee C. E. Bakker, Benjamin Pfeil, Camilla S. Landa, Nicolas Metzl, Kevin M. O’brien, et al.. A multi-decade record of high-quality fCO2 data in version 3 of the Surface Ocean CO2 Atlas (SOCAT). Earth System Science Data, Copernicus Publications, 2016, 8, pp.383-413. <10.5194/essd-8-383-2016>. <hal-01373436>

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