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8. Annual to interannual variations of (f)CO(2) in the northwestern Mediterranean Sea: results from hourly measurements made by CARIOCA buoys, 1995-1997

Author

Hood, E.M. and Merlivat, L.

Subjects
Mediterranean Sea -- Environmental aspects, Carbon dioxide -- Thermal properties, Ocean-atmosphere interaction -- Research, Ocean temperature -- Environmental aspects, Biological sciences, Earth sciences
Abstract

Research indicates a pronounced seasonal variation in Mediterranean surface water (f)CO(2), with phytoplankton blooms decreasing during the spring and increasing during the summer. Data are correlated with air-sea CO(2) measurements, and the possibility of predicting fluxes with model-derived or satellite sea surface temperature and wind speed is also discussed.

Published
2001

9. Products from a surface ocean CO2 reference network, SOCONET

Author

Wanninkhof, R., Bakker, D. C. E., Pfeil, B., Smith, K., Hankin, S., Alin, S. R., Cosca, C., Harasawa, S., Kozyr, A., Nojiri, Y., O'Brien, K., Telszewski, M., Tilbrook, B., Wada, C., Akl, J., Barbero, L., Bates, N. R., Boutin, J., Bozec, Y., Cai, W. J., Castle, R. D., Chavez, F. P., Chen, L., Chierici, M., Currie, K., De Baar, H. J. W., Evans, W., Feely, R. A., Fransson, A., Gao, Z., Hales, B., Hardman-Mountford, N. J., Hoppema, Mario, Huang, W.J., Hunt, C. W., Huss, B., Ichikawa, T., Johannessen, T., Jones, E. M., Jones, S. D., Jutterström, S., Kitidis, V., Körtzinger, A., Landschützer, P., Lauvset, S. K., Lefevre, N., Manke, A., Mathis, J. T., Merlivat, L., Metzl, N., Murata, A., Monteiro, P., Newberger, T., Omar, A. M., Ono, T., Park, G. H., Paterson, K., Pierrot, D., Rios, A. F., Sabine, C. L., Saito, S., Salisbury, J., Sarma, V. V. S. S., Schlitzer, Reiner, Sieger, Rainer, Skjelvan, I., Steinhoff, T., Sullivan, K. F., Sun, H., Sutton, A.J., Suzuki, T., Sweeney, C., Takahashi, T., Tjiputra, J., Tsurushima, N., Van Heuven, S. M. A. C., Vandemark, D., Vlahos, P., Wallace, D. W. R., Watson, A., Pickers, P. A., Olsen, A., Stephens, B.B., Munro, D., Rehder, G., Santana-Casiano, J. M., Müller, J. D., Trianes, J., Tedesco, K., Ishii, M., González-Dávila, M., Suntharalingam, P., Nakaoka, S.-i., Schuster, U., Wanninkhof, R., Bakker, D. C. E., Pfeil, B., Smith, K., Hankin, S., Alin, S. R., Cosca, C., Harasawa, S., Kozyr, A., Nojiri, Y., O'Brien, K., Telszewski, M., Tilbrook, B., Wada, C., Akl, J., Barbero, L., Bates, N. R., Boutin, J., Bozec, Y., Cai, W. J., Castle, R. D., Chavez, F. P., Chen, L., Chierici, M., Currie, K., De Baar, H. J. W., Evans, W., Feely, R. A., Fransson, A., Gao, Z., Hales, B., Hardman-Mountford, N. J., Hoppema, Mario, Huang, W.J., Hunt, C. W., Huss, B., Ichikawa, T., Johannessen, T., Jones, E. M., Jones, S. D., Jutterström, S., Kitidis, V., Körtzinger, A., Landschützer, P., Lauvset, S. K., Lefevre, N., Manke, A., Mathis, J. T., Merlivat, L., Metzl, N., Murata, A., Monteiro, P., Newberger, T., Omar, A. M., Ono, T., Park, G. H., Paterson, K., Pierrot, D., Rios, A. F., Sabine, C. L., Saito, S., Salisbury, J., Sarma, V. V. S. S., Schlitzer, Reiner, Sieger, Rainer, Skjelvan, I., Steinhoff, T., Sullivan, K. F., Sun, H., Sutton, A.J., Suzuki, T., Sweeney, C., Takahashi, T., Tjiputra, J., Tsurushima, N., Van Heuven, S. M. A. C., Vandemark, D., Vlahos, P., Wallace, D. W. R., Watson, A., Pickers, P. A., Olsen, A., Stephens, B.B., Munro, D., Rehder, G., Santana-Casiano, J. M., Müller, J. D., Trianes, J., Tedesco, K., Ishii, M., González-Dávila, M., Suntharalingam, P., Nakaoka, S.-i., and Schuster, U.

Published
2020

11. Increase of dissolved inorganic carbon and decrease in pH in near-surface waters in the Mediterranean Sea during the past two decades

Author

Merlivat, L., Boutin, J., Antoine, David, Beaumont, L., Golbol, M., Vellucci, V., Merlivat, L., Boutin, J., Antoine, David, Beaumont, L., Golbol, M., and Vellucci, V.

Abstract

Two 3-year time series of hourly measurements of the fugacity of CO2 (fCO2) in the upper 10 m of the surface layer of the northwestern Mediterranean Sea have been recorded by CARIOCA sensors almost two decades apart, in 1995–1997 and 2013–2015. By combining them with the alkalinity derived from measured temperature and salinity, we calculate changes in pH and dissolved inorganic carbon (DIC). DIC increased in surface seawater by ∼25 µmol kg−1 and fCO2 by 40 µatm, whereas seawater pH decreased by ∼0.04 (0.0022 yr−1). The DIC increase is about 15 % larger than expected from the equilibrium with atmospheric CO2. This could result from natural variability, e.g. the increase between the two periods in the frequency and intensity of winter convection events. Likewise, it could be the signature of the contribution of the Atlantic Ocean as a source of anthropogenic carbon to the Mediterranean Sea through the Strait of Gibraltar. We then estimate that the part of DIC accumulated over the last 18 years represents ∼30 % of the total inventory of anthropogenic carbon in the Mediterranean Sea.

Published
2018

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

Author

Bakker, D.C.E., Pfeil, B., Landa, C.S., Metzl, N., O'Brien, K.M., Olsen, A., Smith, K., Cosca, C., Harasawa, S., Jones, S.D., Nakaoka, S., Nojiri, Y., Schuster, U., Steinhoff, T., Sweeney, C., Takahashi, T., Tilbrook, B., Wada, C., Wanninkhof, R., Alin, S.R., Balestrini, C.F., Barbero, L., Bates, N.R., Bianchi, A.A., Bonou, F., Boutin, J., Bozec, Y., Burger, E.F., Cai, W.-J., Castle, R.D., Chen, L., Chierici, M., Currie, K., Evans, W., Featherstone, C., Feely, R.A., Fransson, A., Goyet, C., Greenwood, N., Gregor, L., Hankin, S., Hardman-Mountford, N.J., Harlay, J., Hauck, J., Hoppema, M., Humphreys, M.P., Hunt, C.W., Huss, B., Ibánhez, J.S.P., Johannessen, T., Keeling, R., Kitidis, V., Kortzinger, A., Kozyr, A., Krasakopoulou, E., Kuwata, A., Landschützer, P., Lauvset, S.K., Lefèvre, N., Monaco, C.L., Manke, A., Mathis, J.T., Merlivat, L., Millero, F.J., Monteiro, P.M.S., Munro, D.R., Murata, A., Newberger, T., Omar, A.M., Ono, T., Paterson, K., Pearce, D., Pierrot, D., Robbins, L.L., Saito, S., Salisbury, J., Schlitzer, R., Schneider, B., Schweitzer, R., Sieger, R., Skjelvan, I., Sullivan, K.F., Sutherland, S.C., Sutton, A.J., Tadokoro, K., Telszewski, M., Tuma, M., van Heuven, S.M.A.C., Vandemark, D., Ward, B., Watson, A.J., Xu, S., Bakker, D.C.E., Pfeil, B., Landa, C.S., Metzl, N., O'Brien, K.M., Olsen, A., Smith, K., Cosca, C., Harasawa, S., Jones, S.D., Nakaoka, S., Nojiri, Y., Schuster, U., Steinhoff, T., Sweeney, C., Takahashi, T., Tilbrook, B., Wada, C., Wanninkhof, R., Alin, S.R., Balestrini, C.F., Barbero, L., Bates, N.R., Bianchi, A.A., Bonou, F., Boutin, J., Bozec, Y., Burger, E.F., Cai, W.-J., Castle, R.D., Chen, L., Chierici, M., Currie, K., Evans, W., Featherstone, C., Feely, R.A., Fransson, A., Goyet, C., Greenwood, N., Gregor, L., Hankin, S., Hardman-Mountford, N.J., Harlay, J., Hauck, J., Hoppema, M., Humphreys, M.P., Hunt, C.W., Huss, B., Ibánhez, J.S.P., Johannessen, T., Keeling, R., Kitidis, V., Kortzinger, A., Kozyr, A., Krasakopoulou, E., Kuwata, A., Landschützer, P., Lauvset, S.K., Lefèvre, N., Monaco, C.L., Manke, A., Mathis, J.T., Merlivat, L., Millero, F.J., Monteiro, P.M.S., Munro, D.R., Murata, A., Newberger, T., Omar, A.M., Ono, T., Paterson, K., Pearce, D., Pierrot, D., Robbins, L.L., Saito, S., Salisbury, J., Schlitzer, R., Schneider, B., Schweitzer, R., Sieger, R., Skjelvan, I., Sullivan, K.F., Sutherland, S.C., Sutton, A.J., Tadokoro, K., Telszewski, M., Tuma, M., van Heuven, S.M.A.C., Vandemark, D., Ward, B., Watson, A.J., and Xu, S.

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 ea

Published
2016

15. An update to the surface ocean CO2 Atlas (SOCAT version 2)

Author

Bakker, Dorothee, Pfeil, B., Smith, K, Hankin, S., Olsen, A, Alin, S. R., Cosca, C., Harasawa, S, Kozyr, A., Nojiri, Y., O'Brien, M, Schuster, Ute, Telszewski, Maciej, Tilbrook, B., Wada, C, Akl, J., Barbero, L, Bates, N., Boutin, J., Cai, W.-J., Castle, RD, Chavez, F. P., Chen, L, Chierici, M, Currie, K, de Baar, HJW, Evans, W., Feely, RA, Fransson, A, Gao, Z, Hales, B., Hardman-Mountford, N., Hoppema, M., Huang, W, Hunt, C. W., huss, b, Ichikawa, T, Johannessen, T., Jones, EM, Jones, S., Jutterstrom, Sara, Kitidis, V, Kortzinger, A, Lauvset, S. K., Lefevre, N, Manke, A., Mathis, T, Merlivat, L., Metzl, N., Murata, A., Newburger, T, Ono, T, Park, G.-H., Paterson, K., Pierrot, D., Rios, AF, Sabine, C. L., Saito, S, Salisbury, J., Sarma, V. V. S. S., Schlitzer, R., Sieger, R., Skjelvan, I., Steinhoff, T., Sullivan, K, Sun, H, Sutton, AJ, Suzuki, T., Sweeney, C, Takahashi, T., Tjiputra, J., Tsurushima, N, van Heuven, S.M.A.C, Vandemark, D., Vlahos, P, Wallace, D, Wanninkhof, R, and Watson, A. J.

Published
2013

16. 4th CO2 International Conference held in Carqueiranne, France, 13-17 September 1993

Author

Fung, I., Lambert, G., Merlivat, L., Laboratoire d'océanographie dynamique et de climatologie (LODYC), Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS), Centre des Faibles Radioactivités, and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean, Atmosphere, Atmospheric Science, 010504 meteorology & atmospheric sciences, 13. Climate action, [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph], [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces, environment, 01 natural sciences, ComputingMilieux_MISCELLANEOUS, 0105 earth and related environmental sciences
Abstract

Atmospheric CO2 has been studied since the beginning of the 19th century. After rough evaluations by Dalton (680 ppmv) and Thenard (391 ppmv), an early systematic series of measurements was carried out by the Swiss chemist Nicolas Théodore de Saussure (1830, working in the vicinity of Geneva. He discovered the daily CO2 cycle, with concentrations between 315 and 540 ppmv at noon, and between 321 and 574 ppmv at night.DOI: 10.1034/j.1600-0889.47.issue1.1.x

Published
2011
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17. Diurnal to inter-annual dynamics of pCO(2) recorded by a CARIOCA sensor in a temperate coastal ecosystem (2003-2009)

Author

Bozec, Y., Merlivat, L., Baudoux, A. C., Beaumont, L., Blain, S., Bucciarelli, Eva, Danguy, T., Grossteffan, E., Guillot, A., Guillou, J., Repecaud, M., and Treguer, P.

Subjects
Air-sea CO2 exchange, Daily to inter-annual scale, Carbon cycle, (47-49 degrees N 4-5.5 degrees W), Coastal ecosystems, High-frequency sensors
Abstract

High-frequency pCO(2) and ancillary data were recorded for seven years during the first deployment of a CARbon Interface OCean Atmosphere (CARIOCA) sensor in the surface waters of a temperate coastal ecosystem, the Bay of Brest, which is impacted by both coastal (via estuaries) and oceanic (North Atlantic via the Iroise Sea) water inputs. The CARIOCA sensor proved to be an excellent tool to constrain the high pCO(2) variability in such dynamic coastal ecosystem. Biological processes (e.g. pelagic photosynthesis/respiration) were the main drivers of the seasonal and diurnal pCO(2) dynamics throughout seven years of observations. Autotrophic processes were responsible for abrupt pCO(2) drawdown of 100 to 200 mu atm in spring. During the spring bloom, diurnal variations were driven by did l biological cycle. The average daily drawdown due to autotrophy (observed during highest daily PAR) was equivalent to 10 to 60% of the total pCO(2) drawdown observed every year during the spring season. From late summer to fall, heterotrophic processes increased pCO(2) in the surface water of the Bay back to the pre-bloom level. The average daily increase due to heterotrophy (observed during lowest daily PAR) corresponded to 10 to 70% of the total pCO(2) increase observed every year during the late summer to fall period. Air-sea CO2 fluxes estimates based on hourly, daily and monthly calculations showed that careful consideration of the diurnal variability was needed to accurately estimate air-sea CO2 fluxes in the Bay of Brest. Sampling only during daytime or night-time would induce 8 to 36% error on monthly air-sea CO2 fluxes. This would in turn reverse the direction of the fluxes at annual level for the Bay. The annual emissions of CO2 from the surface waters of the Bay to the atmosphere showed relatively low inter-annual variations with an average of +0.7 +/- 0.4 mol Cm-2 yr(-1) computed for the study period. Further, air-sea CO2 fluxes computed for the adjacent inner-estuaries and Iroise Sea for an annual cycle were +17 +/- 3 mol Cm-2 yr(-1) and 0.2 +/- 0.2 mol Cm-2 yr(-1), respectively. The spatial gradient showed a clear pattern from strong source to sink of CO2, from the inner-estuaries to the open oceanic waters of the North Atlantic. We suggest that semi-enclosed Bays act as buffers for sea to air emissions of CO2 from inner estuaries to adjacent costal seas.

Published
2011

18. The Surface Ocean CO2 Atlas (SOCAT) enables detection of changes in the ocean carbon sink

Author

Bakker, D. C. E., Pfeil, B., Smith, K., Hankin, S., Olsen, A., Alin, S. R., Cosca, C., Harasawa, S., Kozyr, A., Nojiri, Y., O'Brien, K. M., Schuster, U., Telszewski, M., Tilbrook, B., Wada, C., Akl, J., Barbero, L., Bates, N.R., Boutin, J., Bozec, Y., Cai, W.-J., Castle, R.D., Chavez, F. P., Chen, L., Chierici, M., Currie, K., de Baar, H.J.W., Evans, W., Feely, R.A., Fransson, A., Gao, Z., Hales, B., Hardman-Mountford, N.J., Hoppema, Mario, Huang, W.-J., Hunt, C. W., Huss, B., Ichikawa, T., Johannessen, T., Jones, E. M., Jones, S.D., Jutterström, S., Kitidis, V., Körtzinger, A., Landschϋtzer, P., Lauvset, S. K., Lefèvre, N., Manke, A. B., Mathis, J.T., Merlivat, L., Metzl, N., Murata, A., Newberger, T., Omar, A.M., Ono, T., Park, G.-H., Paterson, K., Pierrot, D., Ríos,, A.F., Sabine, C.L., Saito, S., Salisbury, J., Sarma, V. V. S. S., Schlitzer, Reiner, Sieger, R., Skjelvan, I., Steinhoff, T., Sullivan, K.F., Sun, H., Sutton, A.J., Suzuki, T., Sweeney, C., Takahashi, T., Tjiputra, J., Tsurushima, N., Van Heuven, S. M. A. C., Vandemark, D., Vlahos, P., Wallace, D. W. R., Wanninkhof, R., Watson, A. J., Bakker, D. C. E., Pfeil, B., Smith, K., Hankin, S., Olsen, A., Alin, S. R., Cosca, C., Harasawa, S., Kozyr, A., Nojiri, Y., O'Brien, K. M., Schuster, U., Telszewski, M., Tilbrook, B., Wada, C., Akl, J., Barbero, L., Bates, N.R., Boutin, J., Bozec, Y., Cai, W.-J., Castle, R.D., Chavez, F. P., Chen, L., Chierici, M., Currie, K., de Baar, H.J.W., Evans, W., Feely, R.A., Fransson, A., Gao, Z., Hales, B., Hardman-Mountford, N.J., Hoppema, Mario, Huang, W.-J., Hunt, C. W., Huss, B., Ichikawa, T., Johannessen, T., Jones, E. M., Jones, S.D., Jutterström, S., Kitidis, V., Körtzinger, A., Landschϋtzer, P., Lauvset, S. K., Lefèvre, N., Manke, A. B., Mathis, J.T., Merlivat, L., Metzl, N., Murata, A., Newberger, T., Omar, A.M., Ono, T., Park, G.-H., Paterson, K., Pierrot, D., Ríos,, A.F., Sabine, C.L., Saito, S., Salisbury, J., Sarma, V. V. S. S., Schlitzer, Reiner, Sieger, R., Skjelvan, I., Steinhoff, T., Sullivan, K.F., Sun, H., Sutton, A.J., Suzuki, T., Sweeney, C., Takahashi, T., Tjiputra, J., Tsurushima, N., Van Heuven, S. M. A. C., Vandemark, D., Vlahos, P., Wallace, D. W. R., Wanninkhof, R., and Watson, A. J.

Published
2015

19. Carbon, oxygen and biological productivity in the Southern Ocean in and out the Kerguelen plume: CARIOCA drifter results

Author

Merlivat, L., Boutin, J., D'Ovidio, F., Merlivat, L., Boutin, J., and D'Ovidio, F.

Abstract

The Kerguelen Plateau region in the Indian sector of the Southern Ocean supports annually a large-scale phytoplankton bloom which is naturally fertilized with iron. As part of the second Kerguelen Ocean and Plateau compared Study expedition (KEOPS2) in austral spring (OctoberNovember 2011), one CARbon Interface OCean Atmosphere (CARIOCA) buoy was deployed east of the Kerguelen Plateau. It drifted eastward downstream along the Kerguelen plume. Hourly surface measurements of pCO(2), O-2 and ancillary observations were collected between 1 November 2011 and 12 February 2012 with the aim of characterizing the spatial and temporal variability of the biological net community production, NCP, downstream the Kerguelen Plateau, assessing the impact of iron-induced productivity on the biological inorganic carbon consumption and consequently on the CO2 flux exchanged at the air-sea interface. The trajectory of the buoy up to mid-December was within the longitude range 72-83 degrees E, close to the polar front and then in the polar frontal zone, PFZ, up to 97 degrees E. From 17 November to 16 December, the buoy drifted within the Kerguelen plume following a filament carrying dissolved iron, DFe, for a total distance of 700 km. In the first part of the trajectory of the buoy, within the iron plume, the ocean surface waters were always a sink for CO2 and a source for O-2, with fluxes of respective mean values equal to -8 mmol CO2 and +38 mmol O-2 m(-2) d(-1). To the east, as the buoy escaped the iron-enriched filament, the fluxes were in the opposite direction, with respective mean values of +5 mmol CO2 and 48 mmol O-2 m(-2) d(-1). These numbers clearly indicate the strong impact of biological processes on the biogeochemistry in the surface waters within the Kerguelen plume in November-mid-December, while it is undetectable to the east in the PFZ from mid-December to mid-February. While the buoy follows the Feenriched filament, simultaneous observations of dissolved inorganic carb

Published
2015
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24. Impact of submesoscale variability in estimating the air-sea CO exchange: Results from a model study of the POMME experiment

Author

Resplandy, L., Lévy, M., d'Ovidio, F., and Merlivat, L.

Subjects
Atmospheric Science, Global and Planetary Change, 010504 meteorology & atmospheric sciences, 010505 oceanography, Flux, Magnitude (mathematics), Biogeochemistry, Plankton, 01 natural sciences, Algal bloom, 13. Climate action, Climatology, Phytoplankton, Drawdown (hydrology), Environmental Chemistry, Environmental science, 14. Life underwater, Bloom, 0105 earth and related environmental sciences, General Environmental Science
Abstract

A high-resolution ocean biogeochemical model is used to estimate oceanic pCO2 and air-sea CO2 flux in the NE Atlantic. The model is validated against shipboard and Carioca drifting float data acquired during the POMME experiment. Between winter and spring, the seasonal variability is characterized by a rapid drawdown of pCO2 of ~20 μatm associated with the phytoplankton bloom driving CO2 uptake by the ocean. The model reveals that this uptake propagates northward in response to the northward propagation of the bloom. More remarkably, this study demonstrates intense variability of the carbon system at the submesoscale. Our model predicts filamentary structures of pCO2 that show gradients of 25 μatm over 20 km, consistent with observations from Carioca drifting floats. This submesoscale variability is similar in magnitude to the mean seasonal drawdown. Lagrangian diagnostics suggest that pCO2 small-scale structures are shaped by horizontal stirring of large-scale gradients created by the bloom northward propagation. We compared air-sea flux derived from model pCO2 and from observed pCO2 and estimated the error due to data undersampling to ~15 to 30%. Results from a simulation at coarser resolution showed that the impact of model resolution on air-sea CO2 flux is only ~5%. This suggests that the submesoscale variability of pCO2, although large in amplitude, accounts for small modulation of the net air-sea CO2 flux in this region.

Published
2009
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26. The Ocean in a High CO2 World

Author

Cicerone, R., Orr, J., Brewer, P., Haugan, P., Merlivat, L., Ohsumi, T., Pantoja, S., and Pörtner, Hans-Otto

Published
2004

27. An update to the Surface Ocean CO2 Atlas (SOCAT version 2)

Author

Bakker, D. C. E., Pfeil, B., Smith, K., Hankin, S., Olsen, A., Alin, S. R., Cosca, C., Harasawa, S., Kozyr, A., Nojiri, Y., O'Brien, K. M., Schuster, U., Telszewski, M., Tilbrook, B., Wada, C., Akl, J., Barbero, L., Bates, N. R., Boutin, J., Bozec, Y., Cai, W. -j., Castle, R. D., Chavez, F. P., Chen, L., Chierici, M., Currie, K., De Baar, H. J. W., Evans, W., Feely, R. A., Fransson, A., Gao, Z., Hales, B., Hardman-mountford, N. J., Hoppema, M., Huang, W. -j., Hunt, C. W., Huss, B., Ichikawa, T., Johannessen, T., Jones, E. M., Jones, S. D., Jutterstrom, S., Kitidis, V., Koertzinger, A., Landschuetzer, P., Lauvset, S. K., Lefevre, N., Manke, A. B., Mathis, J. T., Merlivat, L., Metzl, N., Murata, A., Newberger, T., Omar, A. M., Ono, T., Park, G. -h., Paterson, K., Pierrot, D., Rios, A. F., Sabine, C. L., Saito, S., Salisbury, J., Sarma, V. V. S. S., Schlitzer, R., Sieger, R., Skjelvan, I., Steinhoff, T., Sullivan, K. F., Sun, H., Sutton, A. J., Suzuki, T., Sweeney, C., Takahashi, T., Tjiputra, J., Tsurushima, N., Van Heuven, S. M. A. C., Vandemark, D., Vlahos, P., Wallace, D. W. R., Wanninkhof, R., Watson, A. J., Bakker, D. C. E., Pfeil, B., Smith, K., Hankin, S., Olsen, A., Alin, S. R., Cosca, C., Harasawa, S., Kozyr, A., Nojiri, Y., O'Brien, K. M., Schuster, U., Telszewski, M., Tilbrook, B., Wada, C., Akl, J., Barbero, L., Bates, N. R., Boutin, J., Bozec, Y., Cai, W. -j., Castle, R. D., Chavez, F. P., Chen, L., Chierici, M., Currie, K., De Baar, H. J. W., Evans, W., Feely, R. A., Fransson, A., Gao, Z., Hales, B., Hardman-mountford, N. J., Hoppema, M., Huang, W. -j., Hunt, C. W., Huss, B., Ichikawa, T., Johannessen, T., Jones, E. M., Jones, S. D., Jutterstrom, S., Kitidis, V., Koertzinger, A., Landschuetzer, P., Lauvset, S. K., Lefevre, N., Manke, A. B., Mathis, J. T., Merlivat, L., Metzl, N., Murata, A., Newberger, T., Omar, A. M., Ono, T., Park, G. -h., Paterson, K., Pierrot, D., Rios, A. F., Sabine, C. L., Saito, S., Salisbury, J., Sarma, V. V. S. S., Schlitzer, R., Sieger, R., Skjelvan, I., Steinhoff, T., Sullivan, K. F., Sun, H., Sutton, A. J., Suzuki, T., Sweeney, C., Takahashi, T., Tjiputra, J., Tsurushima, N., Van Heuven, S. M. A. C., Vandemark, D., Vlahos, P., Wallace, D. W. R., Wanninkhof, R., and Watson, A. J.

Abstract

The Surface Ocean CO2 Atlas (SOCAT), an activity of the international marine carbon research community, provides access to synthesis and gridded fCO(2) (fugacity of carbon dioxide) products for the surface oceans. Version 2 of SOCAT is an update of the previous release (version 1) with more data (increased from 6.3 million to 10.1 million surface water fCO(2) values) and extended data coverage (from 1968-2007 to 1968-2011). The quality control criteria, while identical in both versions, have been applied more strictly in version 2 than in version 1. The SOCAT website (http://www.socat.info/) has links to quality control comments, metadata, individual data set files, and synthesis and gridded data products. Interactive online tools allow visitors to explore the richness of the data. Applications of SOCAT include process studies, quantification of the ocean carbon sink and its spatial, seasonal, year-to-year and longer-term variation, as well as initialisation or validation of ocean carbon models and coupled climate-carbon models.

Published
2014
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28. Observed small spatial scale and seasonal variability of the CO2 system in the Southern Ocean

Author

Resplandy, L., Boutin, J., Merlivat, L., Resplandy, L., Boutin, J., and Merlivat, L.

Abstract

The considerable uncertainties in the carbon budget of the Southern Ocean are largely attributed to unresolved variability, in particular at a seasonal timescale and small spatial scale (similar to 100 km). In this study, the variability of surface pCO(2) and dissolved inorganic carbon (DIC) at seasonal and small spatial scales is examined using a data set of surface drifters including similar to 80 000 measurements at high spatiotemporal resolution. On spatial scales of 100 km, we find gradients ranging from 5 to 50 mu atm for pCO(2) and 2 to 30 mu mol kg(-1) for DIC, with highest values in energetic and frontal regions. This result is supported by a second estimate obtained with sea surface temperature (SST) satellite images and local DIC-SST relationships derived from drifter observations. We find that dynamical processes drive the variability of DIC at small spatial scale in most regions of the Southern Ocean and the cascade of large-scale gradients down to small spatial scales, leading to gradients up to 15 mu mol kg(-1) over 100 km. Although the role of biological activity is more localized, it enhances the variability up to 30 mu mol kg(-1) over 100 km. The seasonal cycle of surface DIC is reconstructed following Mahadevan et al. (2011), using an annual climatology of DIC and a monthly climatology of mixed layer depth. This method is evaluated using drifter observations and proves to be a reasonable first-order estimate of the seasonality in the Southern Ocean that could be used to validate model simulations. We find that small spatial-scale structures are a non-negligible source of variability for DIC, with amplitudes of about a third of the variations associated with the seasonality and up to 10 times the magnitude of large-scale gradients. The amplitude of small-scale variability reported here should be kept in mind when inferring temporal changes (seasonality, interannual variability, decadal trends) of the carbon budget from low-resolution observations a

Published
2014
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29. The Surface Ocean CO2 Atlas (SOCAT) enables detection of changes in the ocean carbon sink

Author

Bakker, D. C. E., Pfeil, B., Smith, K., Hankin, S., Olsen, A., Alin, S. R., Cosca, C., Harasawa, S., Kozyr, A., Nojiri, Y., O'Brien, K.M., Schuster, U., Telszewski, M., Tilbrook, B., Wada, C., Akl, J., Barbero, L., Bates, N. R., Boutin, J., Bozec, Y., Cai, W.-J., Castle, R. D., Chavez, F. P., Chen, L., Chierici, M., Currie, K., De Baar, H. J. W., Evans, W., Feely, R. A., Fransson, A., Gao, Z., Hales, B., Hardman-Mountford, N. J., Hoppema, Mario, Huang, W.-J., Hunt, C. W., Huss, B., Ichikawa, T., Johannessen, T., Jones, E. M., Jones, S. D., Jutterström, S., Kitidis, V., Körtzinger, A., Landschützer, P., Lauvset, S. K., Lefèvre, N., Manke, A. B., Mathis, J.T., Merlivat, L., Metzl, N., Murata, A., Newberger, T., Omar, A. M., Ono, T., Park, G.-H., Paterson, K., Pierrot, D., Ríos, A. F., Sabine, C. L., Saito, S., Salisbury, J., Sarma, V. V. S. S., Schlitzer, Reiner, Sieger, Rainer, Skjelvan, I., Steinhoff, T., Sullivan, K. F., Sun, H., Sutton, A. J., Suzuki, T., Sweeney, C., Takahashi, T., Tjiputra, J., Tsurushima, N., Van Heuven, S. M. A. C., Vandemark, D., Vlahos, P., Wallace, D. W. R., Wanninkhof, R., Watson, A. J., Bakker, D. C. E., Pfeil, B., Smith, K., Hankin, S., Olsen, A., Alin, S. R., Cosca, C., Harasawa, S., Kozyr, A., Nojiri, Y., O'Brien, K.M., Schuster, U., Telszewski, M., Tilbrook, B., Wada, C., Akl, J., Barbero, L., Bates, N. R., Boutin, J., Bozec, Y., Cai, W.-J., Castle, R. D., Chavez, F. P., Chen, L., Chierici, M., Currie, K., De Baar, H. J. W., Evans, W., Feely, R. A., Fransson, A., Gao, Z., Hales, B., Hardman-Mountford, N. J., Hoppema, Mario, Huang, W.-J., Hunt, C. W., Huss, B., Ichikawa, T., Johannessen, T., Jones, E. M., Jones, S. D., Jutterström, S., Kitidis, V., Körtzinger, A., Landschützer, P., Lauvset, S. K., Lefèvre, N., Manke, A. B., Mathis, J.T., Merlivat, L., Metzl, N., Murata, A., Newberger, T., Omar, A. M., Ono, T., Park, G.-H., Paterson, K., Pierrot, D., Ríos, A. F., Sabine, C. L., Saito, S., Salisbury, J., Sarma, V. V. S. S., Schlitzer, Reiner, Sieger, Rainer, Skjelvan, I., Steinhoff, T., Sullivan, K. F., Sun, H., Sutton, A. J., Suzuki, T., Sweeney, C., Takahashi, T., Tjiputra, J., Tsurushima, N., Van Heuven, S. M. A. C., Vandemark, D., Vlahos, P., Wallace, D. W. R., Wanninkhof, R., and Watson, A. J.

Published
2014

30. An update to the Surface Ocean CO2 Atlas (SOCAT version 2)

Author

Bakker, D.C.E., Pfeil, B., Smith, K., Hankin, S., Olsen, A., Alin, S.R., Cosca, C., Harasawa, S., Kozyr, A., Nojiri, Y., O'Brien, K.M., Schuster, U., Telszewski, M., Tilbrook, B., Wada, C., Akl, J., Barbero, L., Bates, N.R., Boutin, J., Bozec, Y., Cai, W.-J., Castle, R.D., Chavez, F.P., Chen, L., Chierici, M., Currie, K., de Baar, H.J.W., Evans, W., Feely, R.A., Fransson, A., Gao, Z., Hales, B., Hardman-Mountford, N.J., Hoppema, M., Huang, W.-J., Hunt, C.W., Huss, B., Ichikawa, T., Johannessen, T., Jones, E.M., Jones, S.D., Jutterström, S., Kitidis, V., Körtzinger, A., Landschützer, P., Lauvset, S.K., Lefèvre, N., Manke, A.B., Mathis, J.T., Merlivat, L., Metzl, N., Murata, A., Newberger, T., Omar, A.M., Ono, T., Park, G.-H., Paterson, K., Pierrot, D., Rios, A.F., Sabine, C.L., Saito, S., Salisbury, J., Sarma, V.V.S.S., Schlitzer, R., Sieger, R., Skjelvan, I., Steinhoff, T., Sullivan, K.F., Sun, H., Sutton, A.J., Suzuki, T., Sweeney, C., Takahashi, T., Tjiputra, J., Tsurushima, N., van Heuven, S.M.A.C., Vandemark, D., Vlahos, P., Wallace, D.W.R., Wanninkhof, R., Watson, A.J., Bakker, D.C.E., Pfeil, B., Smith, K., Hankin, S., Olsen, A., Alin, S.R., Cosca, C., Harasawa, S., Kozyr, A., Nojiri, Y., O'Brien, K.M., Schuster, U., Telszewski, M., Tilbrook, B., Wada, C., Akl, J., Barbero, L., Bates, N.R., Boutin, J., Bozec, Y., Cai, W.-J., Castle, R.D., Chavez, F.P., Chen, L., Chierici, M., Currie, K., de Baar, H.J.W., Evans, W., Feely, R.A., Fransson, A., Gao, Z., Hales, B., Hardman-Mountford, N.J., Hoppema, M., Huang, W.-J., Hunt, C.W., Huss, B., Ichikawa, T., Johannessen, T., Jones, E.M., Jones, S.D., Jutterström, S., Kitidis, V., Körtzinger, A., Landschützer, P., Lauvset, S.K., Lefèvre, N., Manke, A.B., Mathis, J.T., Merlivat, L., Metzl, N., Murata, A., Newberger, T., Omar, A.M., Ono, T., Park, G.-H., Paterson, K., Pierrot, D., Rios, A.F., Sabine, C.L., Saito, S., Salisbury, J., Sarma, V.V.S.S., Schlitzer, R., Sieger, R., Skjelvan, I., Steinhoff, T., Sullivan, K.F., Sun, H., Sutton, A.J., Suzuki, T., Sweeney, C., Takahashi, T., Tjiputra, J., Tsurushima, N., van Heuven, S.M.A.C., Vandemark, D., Vlahos, P., Wallace, D.W.R., Wanninkhof, R., and Watson, A.J.

Abstract

The Surface Ocean CO2 Atlas (SOCAT), an activity of the international marine carbon research community, provides access to synthesis and gridded fCO2 (fugacity of carbon dioxide) products for the surface oceans. Version 2 of SOCAT is an update of the previous release (version 1) with more data (increased from 6.3 million to 10.1 million surface water fCO2 values) and extended data coverage (from 1968–2007 to 1968–2011). The quality control criteria, while identical in both versions, have been applied more strictly in version 2 than in version 1. The SOCAT website has links to quality control comments, metadata, individual data set files, and synthesis and gridded data products. Interactive online tools allow visitors to explore the richness of the data. Applications of SOCAT include process studies, quantification of the ocean carbon sink and its spatial, seasonal, year-to-year and longerterm variation, as well as initialisation or validation of ocean carbon models and coupled climate-carbon models.

Published
2014

31. Roles of biological and physical processes in driving seasonal air–sea CO2 flux in the Southern Ocean: New insights from CARIOCA pCO2

Author

Merlivat, L., Boutin, J., Antoine, David, Merlivat, L., Boutin, J., and Antoine, David

Abstract

On a mean annual basis, the Southern Ocean is a sink for atmospheric CO2. However the seasonality of the air–sea CO2 flux in this region is poorly documented. We investigate processes regulating air–sea CO2 flux in a large area of the Southern Ocean (38°S–55°S, 60°W–60°E) that represents nearly one third of the subantarctic zone. A seasonal budget of CO2 partial pressure, pCO2 and of dissolved inorganic carbon, DIC in the mixed layer is assessed by quantifying the impacts of biology, physics and thermodynamical effect on seawater pCO2. A focus is made on the quantification at a monthly scale of the biological consumption as it is the dominant process removing carbon from surface waters. In situ biological carbon production rates are estimated from high frequency estimates of DIC along the trajectories of CARIOCA drifters in the Atlantic and Indian sector of the Southern Ocean during four spring–summer seasons over the 2006–2009 period.Net community production (NCP) integrated over the mixed layer is derived from the daily change of DIC, and mixed layer depth estimated from Argo profiles. Eleven values of NCP are estimated and range from 30 to 130 mmol C m− 2 d− 1. They are used as a constraint for validating satellite net primary production (NPP). A satellite data-based global model is used to compute depth integrated net primary production, NPP, for the same periods along the trajectories of the buoys. Realistic NCP/NPP ratios are obtained under the condition that the SeaWiFS chlorophyll are corrected by a factor of ≈ 2–3, which is an underestimation previously reported for the Southern Ocean.Monthly satellite based NPP are computed over the 38°S–55°S, 60°W–60°E area. pCO2 derived from these NPP combined with an export ratio, and taking into account the impact of physics and thermodynamics is in good agreement with the pCO2 seasonal climatology of Takahashi (2009). On an annual timescale, mean NCP values, 4.4 to 4.9 mol C m− 2 yr− 1 are ≈ 4–5 times greater than air

Published
2014

33. An update to the Surface Ocean CO<sub>2</sub> Atlas (SOCAT version 2)

Author

Bakker, D. C. E., primary, Pfeil, B., additional, Smith, K., additional, Hankin, S., additional, Olsen, A., additional, Alin, S. R., additional, Cosca, C., additional, Harasawa, S., additional, Kozyr, A., additional, Nojiri, Y., additional, O'Brien, K. M., additional, Schuster, U., additional, Telszewski, M., additional, Tilbrook, B., additional, Wada, C., additional, Akl, J., additional, Barbero, L., additional, Bates, N. R., additional, Boutin, J., additional, Bozec, Y., additional, Cai, W.-J., additional, Castle, R. D., additional, Chavez, F. P., additional, Chen, L., additional, Chierici, M., additional, Currie, K., additional, de Baar, H. J. W., additional, Evans, W., additional, Feely, R. A., additional, Fransson, A., additional, Gao, Z., additional, Hales, B., additional, Hardman-Mountford, N. J., additional, Hoppema, M., additional, Huang, W.-J., additional, Hunt, C. W., additional, Huss, B., additional, Ichikawa, T., additional, Johannessen, T., additional, Jones, E. M., additional, Jones, S. D., additional, Jutterström, S., additional, Kitidis, V., additional, Körtzinger, A., additional, Landschützer, P., additional, Lauvset, S. K., additional, Lefèvre, N., additional, Manke, A. B., additional, Mathis, J. T., additional, Merlivat, L., additional, Metzl, N., additional, Murata, A., additional, Newberger, T., additional, Omar, A. M., additional, Ono, T., additional, Park, G.-H., additional, Paterson, K., additional, Pierrot, D., additional, Ríos, A. F., additional, Sabine, C. L., additional, Saito, S., additional, Salisbury, J., additional, Sarma, V. V. S. S., additional, Schlitzer, R., additional, Sieger, R., additional, Skjelvan, I., additional, Steinhoff, T., additional, Sullivan, K. F., additional, Sun, H., additional, Sutton, A. J., additional, Suzuki, T., additional, Sweeney, C., additional, Takahashi, T., additional, Tjiputra, J., additional, Tsurushima, N., additional, van Heuven, S. M. A. C., additional, Vandemark, D., additional, Vlahos, P., additional, Wallace, D. W. R., additional, Wanninkhof, R., additional, and Watson, A. J., additional

Published
2014
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34. A uniform, quality controlled Surface Ocean CO2 Atlas (SOCAT)

Author

Pfeil, B., Olsen, A., Bakker, D. C. E., Hankin, S., Koyuk, H., Kozyr, A., Malczyk, J., Manke, A., Metzl, N., Sabine, C. L., Akl, J., Alin, S. R., Bellerby, R. G. J., Borges, A., Boutin, J., Brown, P. J., Cai, W.-J., Chavez, F. P., Chen, A., Cosca, C., Fassbender, A. J., Feely, R. A., González-Dávila, M., Goyet, C., Hardman-Mountford, N., Heinze, C., Hood, M., Hoppema, M., Hunt, C. W., Hydes, D., Ishii, M., Johannessen, T., Jones, S. D., Key, R. M., Körtzinger, A., Landschützer, P., Lauvset, S. K., Lefèvre, N., Lenton, A., Lourantou, A., Merlivat, L., Midorikawa, T., Mintrop, L., Miyazaki, C., Murata, A., Nakadate, A., Nakano, Y., Nakaoka, S., Nojiri, Y., Omar, A. M., Padin, X. A., Park, G.-H., Paterson, K., Perez, F. F., Pierrot, D., Poisson, A., Ríos, A. F., Santana-Casiano, J. M., Salisbury, J., Sarma, V. V. S. S., Schlitzer, R., Schneider, B., Schuster, U., Sieger, R., Skjelvan, I., Steinhoff, Tobias, Suzuki, T., Takahashi, T., Tedesco, K., Telszewski, M., Thomas, H., Tilbrook, B., Tjiputra, J., Vandemark, D., Veness, T., Wanninkhof, R., Watson, A. J., Weiss, R., Wong, C. S., Yoshikawa-Inoue, H., Pfeil, B., Olsen, A., Bakker, D. C. E., Hankin, S., Koyuk, H., Kozyr, A., Malczyk, J., Manke, A., Metzl, N., Sabine, C. L., Akl, J., Alin, S. R., Bellerby, R. G. J., Borges, A., Boutin, J., Brown, P. J., Cai, W.-J., Chavez, F. P., Chen, A., Cosca, C., Fassbender, A. J., Feely, R. A., González-Dávila, M., Goyet, C., Hardman-Mountford, N., Heinze, C., Hood, M., Hoppema, M., Hunt, C. W., Hydes, D., Ishii, M., Johannessen, T., Jones, S. D., Key, R. M., Körtzinger, A., Landschützer, P., Lauvset, S. K., Lefèvre, N., Lenton, A., Lourantou, A., Merlivat, L., Midorikawa, T., Mintrop, L., Miyazaki, C., Murata, A., Nakadate, A., Nakano, Y., Nakaoka, S., Nojiri, Y., Omar, A. M., Padin, X. A., Park, G.-H., Paterson, K., Perez, F. F., Pierrot, D., Poisson, A., Ríos, A. F., Santana-Casiano, J. M., Salisbury, J., Sarma, V. V. S. S., Schlitzer, R., Schneider, B., Schuster, U., Sieger, R., Skjelvan, I., Steinhoff, Tobias, Suzuki, T., Takahashi, T., Tedesco, K., Telszewski, M., Thomas, H., Tilbrook, B., Tjiputra, J., Vandemark, D., Veness, T., Wanninkhof, R., Watson, A. J., Weiss, R., Wong, C. S., and Yoshikawa-Inoue, H.

Abstract

A well documented, publicly available, global data set of surface ocean carbon dioxide (CO2) parameters has been called for by international groups for nearly two decades. The Surface Ocean CO2 Atlas (SOCAT) project was initiated by the international marine carbon science community in 2007 with the aim of providing a comprehensive, publicly available, regularly updated, global data set of marine surface CO2, which had been subject to quality control (QC). Many additional CO2 data, not yet made public via the Carbon Dioxide Information Analysis Center (CDIAC), were retrieved from data originators, public websites and other data centres. All data were put in a uniform format following a strict protocol. Quality control was carried out according to clearly defined criteria. Regional specialists performed the quality control, using state-of-the-art web-based tools, specially developed for accomplishing this global team effort. SOCAT version 1.5 was made public in September 2011 and holds 6.3 million quality controlled surface CO2 data points from the global oceans and coastal seas, spanning four decades (1968–2007). Three types of data products are available: individual cruise files, a merged complete data set and gridded products. With the rapid expansion of marine CO2 data collection and the importance of quantifying net global oceanic CO2 uptake and its changes, sustained data synthesis and data access are priorities

Published
2013

35. Surface Ocean CO2 Atlas (SOCAT) Gridded Data Products

Author

Sabine, C. L., Hankin, S., Koyuk, H., Bakker, D. C. E., Pfeil, B., Olsen, A., Metzl, N., Kozyr, A., Fassbender, A., Manke, A., Malczyk, J., Akl, J., Alin, S. R., Bellerby, R. G. J., Borges, A., Boutin, J., Brown, P. J., Cai, W. -j., Chavez, F. P., Chen, A., Cosca, C., Feely, R. A., Gonzalez-davila, M., Goyet, C., Hardman-mountford, N., Heinze, C., Hoppema, M., Hunt, C. W., Hydes, D., Ishii, M., Johannessen, T., Key, R. M., Koertzinger, A., Landschuetzer, P., Lauvset, S. K., Lefevre, N., Lenton, A., Lourantou, A., Merlivat, L., Midorikawa, T., Mintrop, L., Miyazaki, C., Murata, A., Nakadate, A., Nakano, Y., Nakaoka, S., Nojiri, Y., Omar, A. M., Padin, X. A., Park, G. -h., Paterson, K., Perez, F.f., Pierrot, D., Poisson, A., Rios, A. F., Salisbury, J., Santana-casiano, J. M., Sarma, V. V. S. S., Schlitzer, R., Schneider, B., Schuster, U., Sieger, R., Skjelvan, I., Steinhoff, T., Suzuki, T., Takahashi, T., Tedesco, K., Telszewski, M., Thomas, H., Tilbrook, B., Vandemark, D., Veness, T., Watson, A. J., Weiss, R., Wong, C. S., Yoshikawa-inoue, H., Sabine, C. L., Hankin, S., Koyuk, H., Bakker, D. C. E., Pfeil, B., Olsen, A., Metzl, N., Kozyr, A., Fassbender, A., Manke, A., Malczyk, J., Akl, J., Alin, S. R., Bellerby, R. G. J., Borges, A., Boutin, J., Brown, P. J., Cai, W. -j., Chavez, F. P., Chen, A., Cosca, C., Feely, R. A., Gonzalez-davila, M., Goyet, C., Hardman-mountford, N., Heinze, C., Hoppema, M., Hunt, C. W., Hydes, D., Ishii, M., Johannessen, T., Key, R. M., Koertzinger, A., Landschuetzer, P., Lauvset, S. K., Lefevre, N., Lenton, A., Lourantou, A., Merlivat, L., Midorikawa, T., Mintrop, L., Miyazaki, C., Murata, A., Nakadate, A., Nakano, Y., Nakaoka, S., Nojiri, Y., Omar, A. M., Padin, X. A., Park, G. -h., Paterson, K., Perez, F.f., Pierrot, D., Poisson, A., Rios, A. F., Salisbury, J., Santana-casiano, J. M., Sarma, V. V. S. S., Schlitzer, R., Schneider, B., Schuster, U., Sieger, R., Skjelvan, I., Steinhoff, T., Suzuki, T., Takahashi, T., Tedesco, K., Telszewski, M., Thomas, H., Tilbrook, B., Vandemark, D., Veness, T., Watson, A. J., Weiss, R., Wong, C. S., and Yoshikawa-inoue, H.

Abstract

A well documented, publicly available, global data set for surface ocean carbon dioxide (CO2) parameters has been called for by international groups for nearly two decades. The Surface Ocean CO2 Atlas (SOCAT) project was initiated by the international marine carbon science community in 2007 with the aim of providing a comprehensive, publicly available, regularly updated, global data set of marine surface CO2, which had been subject to quality control (QC). SOCAT version 1.5 was made public in September 2011 and holds 6.3 million quality controlled surface CO2 data from the global oceans and coastal seas, spanning four decades (1968–2007). The SOCAT gridded data is the second data product to come from the SOCAT project. Recognizing that some groups may have trouble working with millions of measurements, the SOCAT gridded product was generated to provide a robust regularly spaced fCO2 product with minimal spatial and temporal interpolation which should be easier to work with for many applications. Gridded SOCAT is rich with information that has not been fully explored yet, but also contains biases and limitations that the user needs to recognize and address.

Published
2013
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36. An update to the Surface Ocean CO2 Atlas (SOCAT version 2)

Author

Bakker, D. C. E., Pfeil, B., Smith, K., Hankin, S., Olsen, A., Alin, S. R., Cosca, C., Harasawa, S., Kozyr, A., Nojiri, Y., O'Brien, K. M., Schuster, U., Telszewski, M., Tilbrook, B., Wada, C., Akl, J., Barbero, L., Bates, N., Boutin, J., Cai, W.-J., Castle, R. D., Chavez, F. P., Chen, L., Chierici, M., Currie, K., de Baar, H. J. W., Evans, W., Feely, R. A., Fransson, A., Gao, Z., Hales, B., Hardman-Mountford, N., Hoppema, Mario, Huang, W.-J., Hunt, C. W., Huss, B., Ichikawa, T., Johannessen, T., Jones, Elizabeth M., Jones, S. D., Jutterström, S., Kitidis, V., Körtzinger, A., Landschtzer, P., Lauvset, S. K., Lefèvre, N., Manke, A. B., Mathis, J. T., Merlivat, L., Metzl, N., Murata, A., Newberger, T., Ono, T., Park, G.-H., Paterson, K., Pierrot, D., Ríos, A. F., Sabine, C. L., Saito, S., Salisbury, J., Sarma, V. V. S. S., Schlitzer, Reiner, Sieger, Rainer, Skjelvan, I., Steinhoff, T., Sullivan, K., Sun, H., Sutton, A. J., Suzuki, T., Sweeney, C., Takahashi, T., Tjiputra, J., Tsurushima, N., van Heuven, S. M. A. C., Vandemark, D., Vlahos, P., Wallace, D. W. R., Wanninkhof, R., Watson, A. J., Bakker, D. C. E., Pfeil, B., Smith, K., Hankin, S., Olsen, A., Alin, S. R., Cosca, C., Harasawa, S., Kozyr, A., Nojiri, Y., O'Brien, K. M., Schuster, U., Telszewski, M., Tilbrook, B., Wada, C., Akl, J., Barbero, L., Bates, N., Boutin, J., Cai, W.-J., Castle, R. D., Chavez, F. P., Chen, L., Chierici, M., Currie, K., de Baar, H. J. W., Evans, W., Feely, R. A., Fransson, A., Gao, Z., Hales, B., Hardman-Mountford, N., Hoppema, Mario, Huang, W.-J., Hunt, C. W., Huss, B., Ichikawa, T., Johannessen, T., Jones, Elizabeth M., Jones, S. D., Jutterström, S., Kitidis, V., Körtzinger, A., Landschtzer, P., Lauvset, S. K., Lefèvre, N., Manke, A. B., Mathis, J. T., Merlivat, L., Metzl, N., Murata, A., Newberger, T., Ono, T., Park, G.-H., Paterson, K., Pierrot, D., Ríos, A. F., Sabine, C. L., Saito, S., Salisbury, J., Sarma, V. V. S. S., Schlitzer, Reiner, Sieger, Rainer, Skjelvan, I., Steinhoff, T., Sullivan, K., Sun, H., Sutton, A. J., Suzuki, T., Sweeney, C., Takahashi, T., Tjiputra, J., Tsurushima, N., van Heuven, S. M. A. C., Vandemark, D., Vlahos, P., Wallace, D. W. R., Wanninkhof, R., and Watson, A. J.

Abstract

The Surface Ocean CO2 Atlas (SOCAT) is an effort by the international marine carbon research community. It aims to improve access to carbon dioxide measurements in the surface oceans by regular releases of quality controlled and fully documented synthesis and gridded fCO2 (fugacity of carbon dioxide) products. SOCAT version 2 presented here extends the data set for the global oceans and coastal seas by four years and has 10.1 million surface water fCO2 values from 2660 cruises between 1968 and 2011. The procedures for creating version 2 have been comparable to those for version 1. The SOCAT website (http://www.socat.info/) provides access to the individual cruise data files, as well as to the synthesis and gridded data products. Interactive online tools allow visitors to explore the richness of the data. Scientific users can also retrieve the data as downloadable files or via Ocean Data View. Version 2 enables carbon specialists to expand their studies until 2011. Applications of SOCAT include process studies, quantification of the ocean carbon sink and its spatial, seasonal, year-to-year and longer-term variation, as well as initialisation or validation of ocean carbon models and coupled-climate carbon models.

Published
2013

37. Surface Ocean CO2 Atlas (SOCAT) gridded data products

Author

Sabine, C.L., Hankin, S., Koyuk, H., Bakker, D.C.E., Pfeil, B., Olsen, A., Metzl, N., Kozyr, A., Fassbender, A., Manke, A., Malczyk, J., Akl, J., Alin, S.R., Bellerby, R.G.J., Borges, A., Boutin, J., Brown, P.J., Cai, W.-J., Chavez, F.P., Chen, A., Cosca, C., Feely, R.A., González-Dávila, M., Goyet, C., Hardman-Mountford, N., Heinze, C., Hoppema, Mario, Hunt, C.W., Hydes, D., Ishii, M., Johannessen, T., Key, R.M., Körtzinger, A., Landschützer, P., Lauvset, S.K., Lefèvre, N., Lenton, A., Lourantou, A., Merlivat, L., Midorikawa, T., Mintrop, L., Miyazaki, C., Murata, A., Nakadate, A., Nakano, Y., Nakaoka, S., Nojiri, Y., Omar, A.M., Padin, X.A., Park, G.-H., Paterson, K., Perez, F.F., Pierrot, D., Poisson, A., Ríos, A.F., Salisbury, J., Santana-Casiano, J.M., Sarma, V.V.S.S., Schlitzer, Reiner, Schneider, B., Schuster, U., Sieger, Rainer, Skjelvan, I., Steinhoff, T., Suzuki, T., Takahashi, T., Tedesco, K., Telszewski, M., Thomas, H., Tilbrook, B., Vandemark, D., Veness, T., Watson, A.J., Weiss, R., Wong, C.S., Yoshikawa-Inoue, H., Sabine, C.L., Hankin, S., Koyuk, H., Bakker, D.C.E., Pfeil, B., Olsen, A., Metzl, N., Kozyr, A., Fassbender, A., Manke, A., Malczyk, J., Akl, J., Alin, S.R., Bellerby, R.G.J., Borges, A., Boutin, J., Brown, P.J., Cai, W.-J., Chavez, F.P., Chen, A., Cosca, C., Feely, R.A., González-Dávila, M., Goyet, C., Hardman-Mountford, N., Heinze, C., Hoppema, Mario, Hunt, C.W., Hydes, D., Ishii, M., Johannessen, T., Key, R.M., Körtzinger, A., Landschützer, P., Lauvset, S.K., Lefèvre, N., Lenton, A., Lourantou, A., Merlivat, L., Midorikawa, T., Mintrop, L., Miyazaki, C., Murata, A., Nakadate, A., Nakano, Y., Nakaoka, S., Nojiri, Y., Omar, A.M., Padin, X.A., Park, G.-H., Paterson, K., Perez, F.F., Pierrot, D., Poisson, A., Ríos, A.F., Salisbury, J., Santana-Casiano, J.M., Sarma, V.V.S.S., Schlitzer, Reiner, Schneider, B., Schuster, U., Sieger, Rainer, Skjelvan, I., Steinhoff, T., Suzuki, T., Takahashi, T., Tedesco, K., Telszewski, M., Thomas, H., Tilbrook, B., Vandemark, D., Veness, T., Watson, A.J., Weiss, R., Wong, C.S., and Yoshikawa-Inoue, H.

Abstract

As a response to public demand for a well documented, quality controlled, publically available, global surface ocean carbon dioxide (CO2) data set, the international marine carbon science community developed the Surface Ocean CO2 Atlas (SOCAT). The first SOCAT product is a collection of 6.3 million quality controlled surface CO2 data from the global oceans and coastal seas, spanning four decades (1968–2007). The SOCAT gridded data presented here is the second data product to come from the SOCAT project. Recognizing that some groups may have trouble working with millions of measurements, the SOCAT gridded product was generated to provide a robust, regularly spaced CO2 fugacity (fCO2) product with minimal spatial and temporal interpolation, which should be easier to work with for many applications. Gridded SOCAT is rich with information that has not been fully explored yet (e.g., regional differences in the seasonal cycles), but also contains biases and limitations that the user needs to recognize and address (e.g., local influences on values in some coastal regions).

Published
2013

38. A uniform, quality controlled Surface Ocean CO2 Atlas (SOCAT)

Author

Pfeil, B., Olsen, A., Bakker, D. C. E., Hankin, S., Koyuk, H., Kozyr, A., Malczyk, J., Manke, A., Metzl, N., Sabine, C. L., Akl, J., Alin, S. R., Bellerby, R. G. J., Borges, A., Boutin, J., Brown, P. J., Cai, W.-J., Chavez, F. P., Chen, A., Cosca, C., Fassbender, A. J., Feely, R. A., González-Dávila, M., Goyet, C., Hardman-Mountford, N., Heinze, C., Hood, M., Hoppema, M., Hunt, C. W., Hydes, D., Ishii, M., Johannessen, T., Jones, S. D., Key, R. M., Körtzinger, A., Landschützer, P., Lauvset, S. K., Lefèvre, N., Lenton, A., Lourantou, A., Merlivat, L., Midorikawa, T., Mintrop, L., Miyazaki, C., Murata, A., Nakadate, A., Nakano, Y., Nakaoka, S., Nojiri, Y., Omar, A. M., Padin, X. A., Park, G.-H., Paterson, K., Perez, F. F., Pierrot, D., Poisson, A., Ríos, A. F., Santana-Casiano, J. M., Salisbury, J., Sarma, V. V. S. S., Schlitzer, R., Schneider, B., Schuster, U., Sieger, R., Skjelvan, I., Steinhoff, T., Suzuki, T., Takahashi, T., Tedesco, K., Telszewski, M., Thomas, H., Tilbrook, B., Tjiputra, J., Vandemark, D., Veness, T., Wanninkhof, R., Watson, A. J., Weiss, R., Wong, C. S., Yoshikawa-Inoue, H., Pfeil, B., Olsen, A., Bakker, D. C. E., Hankin, S., Koyuk, H., Kozyr, A., Malczyk, J., Manke, A., Metzl, N., Sabine, C. L., Akl, J., Alin, S. R., Bellerby, R. G. J., Borges, A., Boutin, J., Brown, P. J., Cai, W.-J., Chavez, F. P., Chen, A., Cosca, C., Fassbender, A. J., Feely, R. A., González-Dávila, M., Goyet, C., Hardman-Mountford, N., Heinze, C., Hood, M., Hoppema, M., Hunt, C. W., Hydes, D., Ishii, M., Johannessen, T., Jones, S. D., Key, R. M., Körtzinger, A., Landschützer, P., Lauvset, S. K., Lefèvre, N., Lenton, A., Lourantou, A., Merlivat, L., Midorikawa, T., Mintrop, L., Miyazaki, C., Murata, A., Nakadate, A., Nakano, Y., Nakaoka, S., Nojiri, Y., Omar, A. M., Padin, X. A., Park, G.-H., Paterson, K., Perez, F. F., Pierrot, D., Poisson, A., Ríos, A. F., Santana-Casiano, J. M., Salisbury, J., Sarma, V. V. S. S., Schlitzer, R., Schneider, B., Schuster, U., Sieger, R., Skjelvan, I., Steinhoff, T., Suzuki, T., Takahashi, T., Tedesco, K., Telszewski, M., Thomas, H., Tilbrook, B., Tjiputra, J., Vandemark, D., Veness, T., Wanninkhof, R., Watson, A. J., Weiss, R., Wong, C. S., and Yoshikawa-Inoue, H.

Published
2012

39. Surface Ocean CO2 Atlas (SOCAT) gridded data products

Author

Sabine, C. L., Hankin, S., Koyuk, H., Bakker, D. C. E., Pfeil, B., Olsen, A., Metzl, N., Kozyr, A., Fassbender, A., Manke, A., Malczyk, J., Akl, J., Alin, S. R., Bellerby, R. G. J., Borges, A., Boutin, J., Brown, P. J., Cai, W.-J., Chavez, F. P., Chen, A., Cosca, C., Feely, R. A., González-Dávila, M., Goyet, C., Hardman-Mountford, N., Heinze, C., Hoppema, M., Hunt, C. W., Hydes, D., Ishii, M., Johannessen, T., Key, R. M., Körtzinger, A., Landschützer, P., Lauvset, S. K., Lefèvre, N., Lenton, A., Lourantou, A., Merlivat, L., Midorikawa, T., Mintrop, L., Miyazaki, C., Murata, A., Nakadate, A., Nakano, Y., Nakaoka, S., Nojiri, Y., Omar, A. M., Padin, X. A., Park, G.-H., Paterson, K., Perez, F. F., Pierrot, D., Poisson, A., Ríos, A. F., Salisbury, J., Santana-Casiano, J. M., Sarma, V. V. S. S., Schlitzer, R., Schneider, B., Schuster, U., Sieger, R., Skjelvan, I., Steinhoff, T., Suzuki, T., Takahashi, T., Tedesco, K., Telszewski, M., Thomas, H., Tilbrook, B., Vandemark, D., Veness, T., Watson, A. J., Weiss, R., Wong, C. S., Yoshikawa-Inoue, H., Sabine, C. L., Hankin, S., Koyuk, H., Bakker, D. C. E., Pfeil, B., Olsen, A., Metzl, N., Kozyr, A., Fassbender, A., Manke, A., Malczyk, J., Akl, J., Alin, S. R., Bellerby, R. G. J., Borges, A., Boutin, J., Brown, P. J., Cai, W.-J., Chavez, F. P., Chen, A., Cosca, C., Feely, R. A., González-Dávila, M., Goyet, C., Hardman-Mountford, N., Heinze, C., Hoppema, M., Hunt, C. W., Hydes, D., Ishii, M., Johannessen, T., Key, R. M., Körtzinger, A., Landschützer, P., Lauvset, S. K., Lefèvre, N., Lenton, A., Lourantou, A., Merlivat, L., Midorikawa, T., Mintrop, L., Miyazaki, C., Murata, A., Nakadate, A., Nakano, Y., Nakaoka, S., Nojiri, Y., Omar, A. M., Padin, X. A., Park, G.-H., Paterson, K., Perez, F. F., Pierrot, D., Poisson, A., Ríos, A. F., Salisbury, J., Santana-Casiano, J. M., Sarma, V. V. S. S., Schlitzer, R., Schneider, B., Schuster, U., Sieger, R., Skjelvan, I., Steinhoff, T., Suzuki, T., Takahashi, T., Tedesco, K., Telszewski, M., Thomas, H., Tilbrook, B., Vandemark, D., Veness, T., Watson, A. J., Weiss, R., Wong, C. S., and Yoshikawa-Inoue, H.

Published
2012

40. Sensors and Systems for in situ Observations of Marine Carbon Dioxide System Variables

Author

Hall, J., Harrison, D.E., Stammer, D., Byrne, R.H., DeGrandpre, M.D., Short, R.T., Martz, T.R., Merlivat, L., McNeil, C., Sayles, F.L., Bell, R., Fietzek, Peer, Hall, J., Harrison, D.E., Stammer, D., Byrne, R.H., DeGrandpre, M.D., Short, R.T., Martz, T.R., Merlivat, L., McNeil, C., Sayles, F.L., Bell, R., and Fietzek, Peer

Abstract

Autonomous chemical sensors are required to document the marine carbon dioxide system's evolving response to anthropogenic CO2 inputs, as well as impacts on short- and long-term carbon cycling. Observations will be required over a wide range of spatial and temporal scales, and measurements will likely need to be maintained for decades. Measurable CO2 system variables currently include total dissolved inorganic carbon (DIC), total alkalinity (AT), CO2 fugacity (fCO2), and pH, with comprehensive characterization requiring measurement of at least two variables. These four parameters are amenable to in situ analysis, but sustained deployment remains a challenge. Available methods encompass a broad range of analytical techniques, including potentiometry, spectrophotometry, conductimetry, and mass spectrometry. Instrument capabilities (precision, accuracy, endurance, reliability, etc.) are diverse and will evolve substantially over the time that the marine CO2 system undergoes dramatic changes. Different suites of measurements/parameters will be appropriate for different sampling platforms and measurement objectives.

Published
2010

41. Global average of air-sea CO2 transfer velocity from QuikSCAT scatterometer wind speeds

Author

Boutin, J., Quilfen, Yves, Merlivat, L., Piolle, Jean-francois, Boutin, J., Quilfen, Yves, Merlivat, L., and Piolle, Jean-francois

Abstract

The absolute calibration of the relationship between air-sea CO2 transfer velocity, k, and wind speed, U, has been a topic of debate for some time, because k global average, < k >, as deduced from Geochemical Ocean Sections Study oceanic C-14 inventory has differed from that deduced from experimental k-U relationships. Recently, new oceanic C-14 inventories and inversions have lead to a lower < k >. In addition, new measurements performed at sea in high-wind speed conditions have led to new k-U relationship. Meanwhile, quality and sampling of satellite wind speeds has greatly improved. The QuikSCAT scatterometer has provided high-quality wind speeds for more than 7 years. This allows us to estimate the global distributions of k computed using k-U relationships and temperature-dependent Schmidt numbers from 1999 to 2006. Given the difficulty of measuring in situ wind speed very accurately, we performed a sensitivity study of the < k > uncertainty which results from QuikSCAT U uncertainties. New QuikSCAT-buoy U comparisons in the northern Atlantic Ocean and in the Southern Ocean confirm the excellent precision of QuikSCAT U (RMS difference of about 1 m s(-1)), but it is possible that QuikSCAT overestimates wind speeds by 5%, leading to a possible overestimation of k derived with quadratic relationships by 10%. The < k > values obtained with two recent experimental k-U relationships are very close, between 15.9 and 17.9 cm h(-1), and within the error bar of k average deduced from the new oceanic C-14 inventory.

Published
2009
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43. Air-sea CO2 flux variability in frontal regions of the Southern Ocean from CARbon Interface OCean Atmosphere drifters

Author

Boutin, Jacqueline, Merlivat, L., Henocq, C., Martin, Nicolas, Sallee, Jean-baptiste, Boutin, Jacqueline, Merlivat, L., Henocq, C., Martin, Nicolas, and Sallee, Jean-baptiste

Abstract

Nine CARbon Interface OCean Atmosphere (CARIOCA) drifters were deployed in the Southern Ocean (south of the subtropical front, STF) between 2001 and 2006. They recorded 65 months of measurements in all seasons between 57 degrees S and 40 degrees S. Hydrological fronts detected by altimetry indicate that one buoy explored the polar zone (PZ) of the Atlantic Ocean and the western Indian Ocean; the remaining buoys explored the northern and southern parts of the subantarctic zone (SAZ) from the mid-Indian Ocean (73 degrees E) to the eastern Pacific Ocean (112 degrees W). The air-sea CO2 fluxes along the buoy trajectories are primarily driven by the spatial variability of the fugacity of CO2 in seawater, fCO(2): in the SAZ, they vary between -1.1 and -4.2 mol m(-2) yr(-1), and the largest sinks occur close to the STF; in the PZ they vary between -1.6 and 0.6 mol m(-2) yr(-1). When spatially extrapolated over each region, the yearly fluxes amount to -0.8 Pg C yr(-1) in the SAZ and to -0.1 Pg C yr(-1) in the PZ, with very small seasonal variation. In winter-spring, the sea-surface salinity and sea-surface temperature indicate mixing with deep water close to the subantarctic front and an episodic signature of north Atlantic deep water close to the polar front (PF). These events are associated with fCO(2) close to equilibrium. On a small scale (of a few km), close to the STF, fCO(2) variations of 1-2 Pa (10-20 mu atm) are associated with the presence of compensated mixed layers.

Published
2008
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45. An update to the Surface Ocean CO2 Atlas (SOCAT version 2)

Author

Bakker, D. C. E., primary, Pfeil, B., additional, Smith, K., additional, Hankin, S., additional, Olsen, A., additional, Alin, S. R., additional, Cosca, C., additional, Harasawa, S., additional, Kozyr, A., additional, Nojiri, Y., additional, O'Brien, K. M., additional, Schuster, U., additional, Telszewski, M., additional, Tilbrook, B., additional, Wada, C., additional, Akl, J., additional, Barbero, L., additional, Bates, N., additional, Boutin, J., additional, Cai, W.-J., additional, Castle, R. D., additional, Chavez, F. P., additional, Chen, L., additional, Chierici, M., additional, Currie, K., additional, de Baar, H. J. W., additional, Evans, W., additional, Feely, R. A., additional, Fransson, A., additional, Gao, Z., additional, Hales, B., additional, Hardman-Mountford, N., additional, Hoppema, M., additional, Huang, W.-J., additional, Hunt, C. W., additional, Huss, B., additional, Ichikawa, T., additional, Johannessen, T., additional, Jones, E. M., additional, Jones, S. D., additional, Jutterström, S., additional, Kitidis, V., additional, Körtzinger, A., additional, Landschtzer, P., additional, Lauvset, S. K., additional, Lefèvre, N., additional, Manke, A. B., additional, Mathis, J. T., additional, Merlivat, L., additional, Metzl, N., additional, Murata, A., additional, Newberger, T., additional, Ono, T., additional, Park, G.-H., additional, Paterson, K., additional, Pierrot, D., additional, Ríos, A. F., additional, Sabine, C. L., additional, Saito, S., additional, Salisbury, J., additional, Sarma, V. V. S. S., additional, Schlitzer, R., additional, Sieger, R., additional, Skjelvan, I., additional, Steinhoff, T., additional, Sullivan, K., additional, Sun, H., additional, Sutton, A. J., additional, Suzuki, T., additional, Sweeney, C., additional, Takahashi, T., additional, Tjiputra, J., additional, Tsurushima, N., additional, van Heuven, S. M. A. C., additional, Vandemark, D., additional, Vlahos, P., additional, Wallace, D. W. R., additional, Wanninkhof, R., additional, and Watson, A. J., additional

Published
2013
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46. Surface Ocean CO&lt;sub&gt;2&lt;/sub&gt; Atlas (SOCAT) gridded data products

Author

Sabine, C. L., primary, Hankin, S., additional, Koyuk, H., additional, Bakker, D. C. E., additional, Pfeil, B., additional, Olsen, A., additional, Metzl, N., additional, Kozyr, A., additional, Fassbender, A., additional, Manke, A., additional, Malczyk, J., additional, Akl, J., additional, Alin, S. R., additional, Bellerby, R. G. J., additional, Borges, A., additional, Boutin, J., additional, Brown, P. J., additional, Cai, W.-J., additional, Chavez, F. P., additional, Chen, A., additional, Cosca, C., additional, Feely, R. A., additional, González-Dávila, M., additional, Goyet, C., additional, Hardman-Mountford, N., additional, Heinze, C., additional, Hoppema, M., additional, Hunt, C. W., additional, Hydes, D., additional, Ishii, M., additional, Johannessen, T., additional, Key, R. M., additional, Körtzinger, A., additional, Landschützer, P., additional, Lauvset, S. K., additional, Lefèvre, N., additional, Lenton, A., additional, Lourantou, A., additional, Merlivat, L., additional, Midorikawa, T., additional, Mintrop, L., additional, Miyazaki, C., additional, Murata, A., additional, Nakadate, A., additional, Nakano, Y., additional, Nakaoka, S., additional, Nojiri, Y., additional, Omar, A. M., additional, Padin, X. A., additional, Park, G.-H., additional, Paterson, K., additional, Perez, F. F., additional, Pierrot, D., additional, Poisson, A., additional, Ríos, A. F., additional, Salisbury, J., additional, Santana-Casiano, J. M., additional, Sarma, V. V. S. S., additional, Schlitzer, R., additional, Schneider, B., additional, Schuster, U., additional, Sieger, R., additional, Skjelvan, I., additional, Steinhoff, T., additional, Suzuki, T., additional, Takahashi, T., additional, Tedesco, K., additional, Telszewski, M., additional, Thomas, H., additional, Tilbrook, B., additional, Vandemark, D., additional, Veness, T., additional, Watson, A. J., additional, Weiss, R., additional, Wong, C. S., additional, and Yoshikawa-Inoue, H., additional

Published
2013
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47. A uniform, quality controlled Surface Ocean CO&lt;sub&gt;2&lt;/sub&gt; Atlas (SOCAT)

Author

Pfeil, B., primary, Olsen, A., additional, Bakker, D. C. E., additional, Hankin, S., additional, Koyuk, H., additional, Kozyr, A., additional, Malczyk, J., additional, Manke, A., additional, Metzl, N., additional, Sabine, C. L., additional, Akl, J., additional, Alin, S. R., additional, Bates, N., additional, Bellerby, R. G. J., additional, Borges, A., additional, Boutin, J., additional, Brown, P. J., additional, Cai, W.-J., additional, Chavez, F. P., additional, Chen, A., additional, Cosca, C., additional, Fassbender, A. J., additional, Feely, R. A., additional, González-Dávila, M., additional, Goyet, C., additional, Hales, B., additional, Hardman-Mountford, N., additional, Heinze, C., additional, Hood, M., additional, Hoppema, M., additional, Hunt, C. W., additional, Hydes, D., additional, Ishii, M., additional, Johannessen, T., additional, Jones, S. D., additional, Key, R. M., additional, Körtzinger, A., additional, Landschützer, P., additional, Lauvset, S. K., additional, Lefèvre, N., additional, Lenton, A., additional, Lourantou, A., additional, Merlivat, L., additional, Midorikawa, T., additional, Mintrop, L., additional, Miyazaki, C., additional, Murata, A., additional, Nakadate, A., additional, Nakano, Y., additional, Nakaoka, S., additional, Nojiri, Y., additional, Omar, A. M., additional, Padin, X. A., additional, Park, G.-H., additional, Paterson, K., additional, Perez, F. F., additional, Pierrot, D., additional, Poisson, A., additional, Ríos, A. F., additional, Santana-Casiano, J. M., additional, Salisbury, J., additional, Sarma, V. V. S. S., additional, Schlitzer, R., additional, Schneider, B., additional, Schuster, U., additional, Sieger, R., additional, Skjelvan, I., additional, Steinhoff, T., additional, Suzuki, T., additional, Takahashi, T., additional, Tedesco, K., additional, Telszewski, M., additional, Thomas, H., additional, Tilbrook, B., additional, Tjiputra, J., additional, Vandemark, D., additional, Veness, T., additional, Wanninkhof, R., additional, Watson, A. J., additional, Weiss, R., additional, Wong, C. S., additional, and Yoshikawa-Inoue, H., additional

Published
2013
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48. A uniform, quality controlled Surface Ocean CO&lt;sub&gt;2&lt;/sub&gt; Atlas (SOCAT)

Author

Pfeil, B., primary, Olsen, A., additional, Bakker, D. C. E., additional, Hankin, S., additional, Koyuk, H., additional, Kozyr, A., additional, Malczyk, J., additional, Manke, A., additional, Metzl, N., additional, Sabine, C. L., additional, Akl, J., additional, Alin, S. R., additional, Bellerby, R. G. J., additional, Borges, A., additional, Boutin, J., additional, Brown, P. J., additional, Cai, W.-J., additional, Chavez, F. P., additional, Chen, A., additional, Cosca, C., additional, Fassbender, A. J., additional, Feely, R. A., additional, González-Dávila, M., additional, Goyet, C., additional, Hardman-Mountford, N., additional, Heinze, C., additional, Hood, M., additional, Hoppema, M., additional, Hunt, C. W., additional, Hydes, D., additional, Ishii, M., additional, Johannessen, T., additional, Jones, S. D., additional, Key, R. M., additional, Körtzinger, A., additional, Landschützer, P., additional, Lauvset, S. K., additional, Lefèvre, N., additional, Lenton, A., additional, Lourantou, A., additional, Merlivat, L., additional, Midorikawa, T., additional, Mintrop, L., additional, Miyazaki, C., additional, Murata, A., additional, Nakadate, A., additional, Nakano, Y., additional, Nakaoka, S., additional, Nojiri, Y., additional, Omar, A. M., additional, Padin, X. A., additional, Park, G.-H., additional, Paterson, K., additional, Perez, F. F., additional, Pierrot, D., additional, Poisson, A., additional, Ríos, A. F., additional, Santana-Casiano, J. M., additional, Salisbury, J., additional, Sarma, V. V. S. S., additional, Schlitzer, R., additional, Schneider, B., additional, Schuster, U., additional, Sieger, R., additional, Skjelvan, I., additional, Steinhoff, T., additional, Suzuki, T., additional, Takahashi, T., additional, Tedesco, K., additional, Telszewski, M., additional, Thomas, H., additional, Tilbrook, B., additional, Tjiputra, J., additional, Vandemark, D., additional, Veness, T., additional, Wanninkhof, R., additional, Watson, A. J., additional, Weiss, R., additional, Wong, C. S., additional, and Yoshikawa-Inoue, H., additional

Published
2012
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49. Surface Ocean CO&lt;sub&gt;2&lt;/sub&gt; Atlas (SOCAT) gridded data products

Author

Sabine, C. L., primary, Hankin, S., additional, Koyuk, H., additional, Bakker, D. C. E., additional, Pfeil, B., additional, Olsen, A., additional, Metzl, N., additional, Kozyr, A., additional, Fassbender, A., additional, Manke, A., additional, Malczyk, J., additional, Akl, J., additional, Alin, S. R., additional, Bellerby, R. G. J., additional, Borges, A., additional, Boutin, J., additional, Brown, P. J., additional, Cai, W.-J., additional, Chavez, F. P., additional, Chen, A., additional, Cosca, C., additional, Feely, R. A., additional, González-Dávila, M., additional, Goyet, C., additional, Hardman-Mountford, N., additional, Heinze, C., additional, Hoppema, M., additional, Hunt, C. W., additional, Hydes, D., additional, Ishii, M., additional, Johannessen, T., additional, Key, R. M., additional, Körtzinger, A., additional, Landschützer, P., additional, Lauvset, S. K., additional, Lefèvre, N., additional, Lenton, A., additional, Lourantou, A., additional, Merlivat, L., additional, Midorikawa, T., additional, Mintrop, L., additional, Miyazaki, C., additional, Murata, A., additional, Nakadate, A., additional, Nakano, Y., additional, Nakaoka, S., additional, Nojiri, Y., additional, Omar, A. M., additional, Padin, X. A., additional, Park, G.-H., additional, Paterson, K., additional, Perez, F. F., additional, Pierrot, D., additional, Poisson, A., additional, Ríos, A. F., additional, Salisbury, J., additional, Santana-Casiano, J. M., additional, Sarma, V. V. S. S., additional, Schlitzer, R., additional, Schneider, B., additional, Schuster, U., additional, Sieger, R., additional, Skjelvan, I., additional, Steinhoff, T., additional, Suzuki, T., additional, Takahashi, T., additional, Tedesco, K., additional, Telszewski, M., additional, Thomas, H., additional, Tilbrook, B., additional, Vandemark, D., additional, Veness, T., additional, Watson, A. J., additional, Weiss, R., additional, Wong, C. S., additional, and Yoshikawa-Inoue, H., additional

Published
2012
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50. Meeting Report: The Ocean in a High CO2 World.

Author

Cicerone, R., Orr, J., Brewer, P., Haugan, P., Merlivat, L., Ohsumi, T., Pantoja, S., Pörtner, Hans-Otto, Hood, M., Urban, E., Cicerone, R., Orr, J., Brewer, P., Haugan, P., Merlivat, L., Ohsumi, T., Pantoja, S., Pörtner, Hans-Otto, Hood, M., and Urban, E.

Published
2004

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