Goddijn-Murphy, L. M., Woolf, D. K., and Marandino, C.: Space-based retrievals of air-sea gas transfer velocities using altimeters: Calibration for dimethyl sulfide, J. Geophys. Res., 117, C08028, https://doi.org/10.1029/2011JC007535, 2012.
Goddijn-Murphy, L. M., Woolf, D. K., Land, P. E., Shutler, J. D., and Donlon, C.: The OceanFlux Greenhouse Gases methodology for deriving a sea surface climatology of CO
2 fugacity in support of air-sea gas flux studies, Ocean Sci., 11, 519–541, https://doi.org/10.5194/os-11-519-2015, 2015.
Goddijn-Murphy, L., Woolf, D. K., Callaghan, A. H., Nightingale, P. D., and Shutler, J. D.: A reconciliation of empirical and mechanistic models of the air-sea gas transfer velocity, J. Geophys. Res.-Oceans, 121, 818–835, https://doi.org/10.1002/2015JC011096, 2016.
González-Dávila, M., Santana-Casiano, J. M., and González-Dávila, E. F.: Interannual variability of the upper ocean carbon cycle in the northeast Atlantic Ocean, Geophys. Res. Lett., 34, L07608, https://doi.org/10.1029/2006GL028145, 2007.
Gregg, W. W., Casey, N. W., and Rosseaux, C. S.: Sensitivity of simulated global ocean carbon flux estimates to forcing by reanalysis products, Ocean Model., 80, 24–35, https://doi.org/10.1016/j.ocemod.2014.05.002, 2014.
Gruber, N.: Carbon cycle: Fickle trends in the ocean, Nature, 458, 155–156, https://doi.org/10.1038/458155a, 2009.
Halloran, P. R., Booth, B. B. B., Jones, C. D., Lambert, F. H., McNeall, D. J., Totterdell, I. J., and Völker, C.: The mechanisms of North Atlantic CO
2 uptake in a large Earth System Model ensemble, Biogeosciences, 12, 4497–4508, https://doi.org/10.5194/bg-12-4497-2015, 2015.
Ho, D. T., Law, C. S., Smith, M. J., Schlosser, P., Harvey, M., and Hill, P.: Measurements of air-sea gas exchange at high wind speeds in the Southern Ocean: Implications for global parameterizations, Geophys. Res. Lett., 33, 16611, https://doi.org/10.1029/2006GL026817, 2006.
Landschützer, P., Gruber, N., Bakker, D. C. E., Schuster, U., Nakaoka, S., Payne, M. R., Sasse, T. P., and Zeng, J.: A neural network-based estimate of the seasonal to inter-annual variability of the Atlantic Ocean carbon sink, Biogeosciences, 10, 7793–7815, https://doi.org/10.5194/bg-10-7793-2013, 2013.
Landschützer, P., Gruber, N., Bakker, D. C. E., and Schuster, U.: Recent variability of the global ocean carbon sink, Global Biogeochem. Cy., 28, 927–949, https://doi.org/10.1002/2014GB004853, 2014.
Le Quéré, C., Rödenbeck, C., Buitenhuis, E. T., Conway, T. J., Langenfelds, R., Gomez, A., Labuschagne, C., Ramonet, M., Nakazawa, T., Metzl, N., Gillett, N., and Heimann, M.: Saturation of the Southern Ocean CO
2 sink due to recent climate change, Science 316, 1735–1738, https://doi.org/10.1126/science.1136188, 2007.
Lefèvre, N., Watson, A. J., Olsen, A., Rios, A. F., Perez, F. F., and Johannessen, T.: A decrease in the sink for atmospheric CO
2 in the North Atlantic, Geophys. Res. Lett., 31, L07306, https://doi.org/10.1029/2003GL018957, 2004.
McGillis, W. R. and Edson, J. B., Hare, J. E., Fairall, C. W.: Direct covariance air-sea CO
2 fluxes, J. Geophys. Res., 106, 16729–16745, 2001.
Merchant, C. M., Embury, O., Rayner, N. A., Berry, D. I., Corlett, G. K., Lean, K., Veal, K. L., Kent, E. C., Llewellyn-Jones, D. T., Remedios, J. J., and Saunders, R.: A 20 year independent record of sea surface temperature for climate from Along-Track Scanning Radiometers, J. Geophys. Res., 117, C12, https://doi.org/10.1029/2012JC008400, 2012.
Nightingale, P. D., Malin, G., Law, C. S., Watson, A. J., Liss, P. S., Liddicoat, M. I., Boutin, J., and Upstill-Goddard, R. C.: In situ evaluation of air-sea gas exchange parameterizations using novel conservative and volatile tracers, Global Biogeochem. Cy., 14, 373–387, 2000.
Nightingale, P. D.: Relationship between wind speed and gas exchange over the ocean: which parameterisation should I use? Report from Discussion Session at SOLAS Open Science conference in Kiel, available at: http://goo.gl/TrMQkg (last access: 12 August 2016), 2015.
Orr, J. C., Maier-Reimer, E., Mikolajewicz, U., Monfray, P., Sarmiento, J. L., Toggweiler, J. R., Taylor, N. K., Palmer, J., Gruber, N., Sabine, C. L., Le Quéré, C., Key, R. M., and Boutin, J.: Estimates of anthropogenic carbon uptake from four three-dimensional global ocean models, Global Biogeochem. Cy., 15, 43–60, https://doi.org/10.1029/2000GB001273, 2001.
Pérez, F. F., Mercier, H., Vázquez-Rodríguez, M., Lherminier, P., Velo, A., Pardo, P. C., Rosón, G., and Ríos, A. F.: Atlantic Ocean CO
2 uptake reduced by weakening of the meridional overturning circulation, Nat. Geosci., 6, 146–152, https://doi.org/10.1038/NGEO1680, 2013.
Schuster, U. and Watson, A. J.: A variable and decreasing sink for atmospheric CO
2 in the North Atlantic, J. Geophys. Res., 112, C11006, https://doi.org/10.1029/2006JC003941, 2007.
Schuster, U., McKinley, G. A., Bates, N., Chevallier, F., Doney, S. C., Fay, A. R., González-Dávila, M., Gruber, N., Jones, S., Krijnen, J., Landschützer, P., Lefèvre, N., Manizza, M., Mathis, J., Metzl, N., Olsen, A., Rios, A. F., Rödenbeck, C., Santana-Casiano, J. M., Takahashi, T., Wanninkhof, R., and Watson, A. J.: An assessment of the Atlantic and Arctic sea-air CO
2 fluxes, 1990–2009, Biogeosciences, 10, 607–627, https://doi.org/10.5194/bg-10-607-2013, 2013.
Shutler, J. D., Piolle, J-F., Land, P. E., Woolf, D. K., Goddijn-Murphy, L., Paul, F., Girard-Ardhuin, F., Chapron, B., and Donlon, C. J.: FluxEngine: a flexible processing system for calculating air-sea carbon dioxide gas fluxes and climatologies, J. Atmos. Ocean. Technol., 33, 741–756, https://doi.org/10.1175/JTECH-D-14-00204.1, 2016.
Sweeney, C., Gloor, E., Jacobson, A. R., Key, R. M., McKinley, G., Sarmiento, J. L., and Wanninkhof, R.: Constraining global air-sea gas exchange for CO
2 with recent bomb 14C measurements, Global Biogeochem. Cy., 21, https://doi.org/10.1029/2006GB002784, 2007.
Takahashi, T., Sutherland, S. C., Sweeney, C., Poisson, A., Metzl, N., Tilbrook, B., Bates, N., Wanninkhof, R., Feely, R. A., Sabine, C., Olafsson, J., and Nojiri, Y.: Global sea-air CO
2 flux based on climatological surface ocean
pCO
2, and seasonal biological and temperature effects, Deep-Sea Res. Pt. II, 49, 1601–1622, 2002.
Takahashi, T., Sutherland, S. C., Wanninkhof, R., Sweeney, C., Feely, R. A., Chipman, D. W., Hales, B., Friederich, G., Chavez, F., Sabine, C., Watson, A., Bakker, D. C. E., Schuster, U., Metzl, N., Yoshikawa-Inoue, H., Ishii, M., Midorikawa, T., Nojiri, Y., Körtzinger, A., Steinhoff, T., Hoppema, M., Olafsson, J., Arnarson, T. S., Tilbrook, B., Johannessen, T., Olsen, A., Bellerby, R., Wong, C. S., Delille, B., Bates, N. R., and de Baar, H. J. W.: Climatological mean and decadal change in surface ocean
pCO
2 and net sea-air CO
2 flux over the global oceans, Deep-Sea Res. Pt. II, 56, 554–577, https://doi.org/10.1016/j.dsr2.2008.12.009, 2009.
Talley, L. D.: Closure of the global overturning circulation through the Indian, Pacific, and Southern Oceans: schematics and transports, Oceanography, 26, 80–97, https://doi.org/10.5670/oceanog.2013.07, 2013.
Thomas, H., Friederike Prowe, A. E., Lima, I. D., Doney, S. C., Wanninkhof, R., Greatbatch, R. J., Schuster, U., and Corbière, A.: Changes in the North Atlantic Oscillation influence CO
2 uptake in the North Atlantic over the past 2 decades, Global Biogeochem. Cy., 22, GB4027, https://doi.org/10.1029/2007GB003167, 2008.
Wanninkhof, R.: Relationship between wind speed and gas exchange over the ocean revisited, Limnol. Oceanogr.-Meth., 12, 351–362, https://doi.org/10.4319/lom.2014.12.351, 2014.
Wanninkhof, R., Park, G.-H., Takahashi, T., Sweeney, C., Feely, R., Nojiri, Y., Gruber, N., Doney, S. C., McKinley, G. A., Lenton, A., Le Quéré, C., Heinze, C., Schwinger, J., Graven, H., and Khatiwala, S.: Global ocean carbon uptake: magnitude, variability and trends, Biogeosciences, 10, 1983–2000, https://doi.org/10.5194/bg-10-1983-2013, 2013.
Watson, A. J., Metzl, N., and Schuster, U.: Monitoring and interpreting the ocean uptake of atmospheric CO
2, Philos. T. R. Soc. A, 369, 1997–2008, https://doi.org/10.1098/rsta.2011.0060, 2011.
Woolf, D. K.: Parameterization of gas transfer velocities and sea-state dependent wave breaking, Tellus B, 57, 87–94, 2005.
Yasunaka, S., Murata, A., Watanabe, E., Chierici, M., Fransson, A., van Heuven, S., Hoppema, M., Ishii, M., Johannessen, T., Kosugi, N., Lauvset, S. K., Mathis, J. T., Nishino, S., Omar, A. M., Olsen, A., Sasano, D., Takahashi, T., and Wanninkhof, R.: Mapping of the air–sea CO
2 flux in the Arctic Ocean and its adjacent seas: Basin-wide distribution and seasonal to interannual variability, Polar Sci., https://doi.org/10.1016/j.polar.2016.03.006, 2016.