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

Bakker, DCE; Pfeil, B; Landa, CS; Metzl, N; O'Brien, KM; Olsen, A; Smith, K; Cosca, C; Harasawa, S; Jones, SD; Nakaoka, SI; Nojiri, Y; Schuster, U; Steinhoff, T; Sweeney, C; Takahashi, T; Tilbrook, B; Wada, C; Wanninkhof, R; Alin, SR; Balestrini, CF; Barbero, L; Bates, NR; Bianchi, AA; Bonou, F; Boutin, J; Bozec, Y; Burger, EF; Cai, WJ; Castle, RD; Chen, L; Chierici, M; Currie, K; Evans, W; Featherstone, C; Feely, RA; Fransson, A; Goyet, C; Greenwood, N; Gregor, L; Hankin, S; Hardman-Mountford, NJ; Harlay, J; Hauck, J; Hoppema, M; Humphreys, MP; Hunt, CW; Huss, B; Ibanhez, JSP; Johannessen, T; Keeling, R; Kitidis, V; Kortzinger, A; Kozyr, A; Krasakopoulou, E; Kuwata, A; Landschutzer, P; Lauvset, SK; Lefevre, N; Lo Monaco, C; Manke, A; Mathis, JT; Merlivat, L; Millero, FJ; Monteiro, PMS; Munro, DR; Murata, A; Newberger, T; Omar, AM; Ono, T; Paterson, K; Pearce, D; Pierrot, D; Robbins, LL; Saito, S; Salisbury, J; Schlitzer, R; Schneider, B; Schweitzer, R; Sieger, R; Skjelvan, I; Sullivan, KF; Sutherland, SC; Sutton, AJ; Tadokoro, K; Telszewski, M; Tuma, M; van Heuven, MAC; Vandenmark, D; Ward, B; Watson, AJ; Xu, S

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

Citation

Bakker, DCE and Pfeil, B and Landa, CS and Metzl, N and O'Brien, KM and Olsen, A and Smith, K and Cosca, C and Harasawa, S and Jones, SD and Nakaoka, SI and Nojiri, Y and Schuster, U and Steinhoff, T and Sweeney, C and Takahashi, T and Tilbrook, B and Wada, C and Wanninkhof, R and Alin, SR and Balestrini, CF and Barbero, L and Bates, NR and Bianchi, AA and Bonou, F and Boutin, J and Bozec, Y and Burger, EF and Cai, WJ and Castle, RD and Chen, L and Chierici, M and Currie, K and Evans, W and Featherstone, C and Feely, RA and Fransson, A and Goyet, C and Greenwood, N and Gregor, L and Hankin, S and Hardman-Mountford, NJ and Harlay, J and Hauck, J and Hoppema, M and Humphreys, MP and Hunt, CW and Huss, B and Ibanhez, JSP and Johannessen, T and Keeling, R and Kitidis, V and Kortzinger, A and Kozyr, A and Krasakopoulou, E and Kuwata, A and Landschutzer, P and Lauvset, SK and Lefevre, N and Lo Monaco, C and Manke, A and Mathis, JT and Merlivat, L and Millero, FJ and Monteiro, PMS and Munro, DR and Murata, A and Newberger, T and Omar, AM and Ono, T and Paterson, K and Pearce, D and Pierrot, D and Robbins, LL and Saito, S and Salisbury, J and Schlitzer, R and Schneider, B and Schweitzer, R and Sieger, R and Skjelvan, I and Sullivan, KF and Sutherland, SC and Sutton, AJ and Tadokoro, K and Telszewski, M and Tuma, M and van Heuven, MAC and Vandenmark, D and Ward, B and Watson, AJ and Xu, S, A multi-decade record of high-quality fCO₂ data in version 3 of the Surface Ocean CO₂ Atlas (SOCAT), Earth System Science Data, 8, (2) pp. 383-413. ISSN 1866-3508 (2016) [Refereed Article]

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DOI: doi:10.5194/essd-8-383-2016

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. High-profile 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: doi:10.1594/PANGAEA.849770. The gridded products are available here: doi:10.3334/CDIAC/OTG.SOCAT_V3_GRID.

Item Details

Item Type:	Refereed Article
Keywords:	CO2, SOCAT, data sets, surface ocean, coastal sea
Research Division:	Earth Sciences
Research Group:	Oceanography
Research Field:	Chemical Oceanography
Objective Division:	Environment
Objective Group:	Physical and Chemical Conditions of Water
Objective Field:	Physical and Chemical Conditions of Water in Marine Environments
UTAS Author:	Tilbrook, B (Dr Bronte Tilbrook)
ID Code:	113887
Year Published:	2016
Web of Science^® Times Cited:	123
Deposited By:	CRC-Antarctic Climate & Ecosystems
Deposited On:	2017-01-25
Last Modified:	2017-11-01
Downloads:	106 View Download Statistics

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