Articles | Volume 18, issue 23
https://doi.org/10.5194/bg-18-6271-2021
https://doi.org/10.5194/bg-18-6271-2021
Research article
 | 
07 Dec 2021
Research article |  | 07 Dec 2021

A modelling study of temporal and spatial pCO2 variability on the biologically active and temperature-dominated Scotian Shelf

Krysten Rutherford, Katja Fennel, Dariia Atamanchuk, Douglas Wallace, and Helmuth Thomas

Data sets

A multi-decade record of high-quality fCO2 data in version 3 of the Surface Ocean CO2 Atlas (SOCAT) (https://www.socat.info/) D. C. E. Bakker, B. Pfeil, C. S. Landa, N. Metzl, K. M. O'Brien, A. Olsen, K. Smith, C. Cosca, S. Harasawa, S. D. Jones, S. Nakaoka, Y. Nojiri, U. Schuster, T. Steinhoff, C. Sweeney, T. Takahashi, B. Tilbrook, C. Wada, R. Wanninkhof, S. R. Alin, C. F. Balestrini, L. Barbero, N. R. Bates, A. A. Bianchi, F. Bonou, J. Boutin, Y. Bozec, E. F. Burger, W.-J. Cai, R. D. Castle, L. Chen, M. Chierici, K. Currie, W. Evans, C. Featherstone, R. A. Feely, A. Fransson, C. Goyet, N. Greenwood, L. Gregor, S. Hankin, N. J. Hardman-Mountford, J. Harlay, J. Hauck, M. Hoppema, M. P. Humphreys, C. W. Hunt, B. Huss, J. S. P. Ibánhez, T. Johannessen, R. Keeling, V. Kitidis, A. Körtzinger, A. Kozyr, E. Krasakopoulou, A. Kuwata, P. Landschützer, S. K. Lauvset, N. Lefèvre, C. Lo Monaco, A. Manke, T. J. T. Mathis, L. Merlivat, F. J. Millero, P. M. S. Monteiro, D. R. Munro, A. Murata, T. Newberger, A. M. Omar, T. Ono, K. Paterson, D. Pearce, D. Pierrot, L. L. Robbins, S. Saito, J. Salisbury, R. Schlitzer, B. Schneider, R. Schweitzer, R. Sieger, I. Skjelvan, K. F. Sullivan, S. C. Sutherland, A. J. Sutton, K. Tadokoro, M. Telszewski, M. Tuma, S. M. A. C. van Heuven, D. Vandemark, B. Ward, A. J. Watson, and S. Xu https://doi.org/10.5194/essd-8-383-2016

Model code and software

Ocean forecasting in terrain-following coordinates: Formulation and skill assessment of the Regional Ocean Modeling System (https://www.myroms.org) D. Haidvogel, H. Arango, W. Budgell, B. Cornuelle, E. Curchitser, E. Di Lorenzo, K. Fennel, W. Geyer, A. Hermann, L. Lanerolle, J. Levin, J. McWilliams, A. Miller, A. Moore, T. Powell, A. Shchepetkin, C. Sherwood, R. Signell, J. Warner, and J. Wilkin https://doi.org/10.1016/j.jcp.2007.06.016

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Short summary
Using a regional model of the northwestern North Atlantic shelves in combination with a surface water time series and repeat transect observations, we investigate surface CO2 variability on the Scotian Shelf. The study highlights a strong seasonal cycle in shelf-wide pCO2 and spatial variability throughout the summer months driven by physical events. The simulated net flux of CO2 on the Scotian Shelf is out of the ocean, deviating from the global air–sea CO2 flux trend in continental shelves.
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