Alfonso Mucci

Emeritus Professor
Contact Information
Email address: 
alfonso.mucci [at]
Areas of expertise: 

Carbonate geochemistry, Aquatic environments, Sediment diagenesis, Solid-solution interactions, Geochemical thermodynamics and kinetics

Emeritus and Retired Professors
Selected publications: 

COSSA D., MUCCI A., GUÉDRON S., COQUERY M., RADOKOVICH O., ESCOUBE R.,CAMPILLO,S., HEUSSNER, S.(2021) Mercury deposition and preservation in the Western Mediterranean abyssal plain: The reliability of sediment archives for a late Holocene Hg reconstruction. Geochim. Cosmochim. Acta 309: 1-15, doi: 10.1016/j.gca.2021.06.014

NESBITT W.A.S. and MUCCI A. (2021) The impact of oxygen depletion and the concomitant acidification of bottom waters on the preservation of detrital carbonates in the Gulf of St. Lawrence. Canadian Journal of Earth Sciences 58: 84-92.

JUTRAS M., DUFOUR C., MUCCI A., CYR F. and GILBERT D. (2020) Oxygen decline in the St. Lawrence estuarine system: drivers and relation to circulation changes in the North Atlantic. Journal of Geophysical Research-Oceans 125: e2020JC016577, pp. 1-20.

BEAUPRÉ-LAPERRIÈRE A., MUCCI A. and THOMAS H. (2020) The recent state and variability of the carbonate system of the Canadian Arctic in the context of ocean acidification. Biogeosciences 17: 3923–3942.

JUTRAS M., MUCCI A., SUNDBY B., GRATTON Y. and KATSEV S. (2020) Nutrient cycling in the Lower St. Lawrence Estuary: response to environmental perturbations. Estuaries, Coastal and Shelf Science 239: 106715 (pp. 1-12).

DELAIGUE L., MUCCI A. and THOMAS H. (2020) Spatial variations of the CO2 fluxes in the Saguenay Fjord (Québec, Canada) and results of a water mixing model. Biogeosciences 17: 547-566.

BOUDREAU B.P., SULPIS O. and MUCCI A. (2020) Control of CaCO3 dissolution at the deep seafloor and its predicted consequences. Geochim. Cosmochim. Acta 268: 90-106.

SULPIS O., DUFOUR C. TROSSMAN D.S., FASSBENDER A.S., ARBIC S.K., BOUDREAU B.P., DUNNE J.P. and MUCCI A. (2019) Reduced CaCO3 flux to the seafloor and weaker bottom current speeds curtail benthic CaCO3 dissolution over the 21st century. Global Biogeochemical Cycles 33: 1654-1674.

OLDHAM V.E., SIEBECKER M., JONES M.R., MUCCI A., TEBO B. and LUTHER G.W. III. (2019) The speciation and mobility of Mn and Fe in estuarine sediments. Aquatic Geochemistry 25: 3-26.

SULPIS O., MUCCI A., BOUDREAU B.P., BARRY M. and JOHNSON B. (2019) Controlling the diffusive boundary layer thickness above the sediment-water interface in a thermostated, rotating-disk reactor. Limnology and Oceanography: Methods 17: 241-253. doi: 10.1002/lom3.10309.

SULPIS O., BOUDREAU B.P., MUCCI A., JENKINS C., TROSSMAN D.S. ARBIC B.K. and KEY R. (2018) Current CaCO3 dissolution at the seafloor caused by anthropogenic CO2. Proceedings of the National Academic of Science 115(45): 11700-11705. doi:10.1073/pnas.1811488115.

WANG K., MUNSON K.M., BEAUPRÉ-LAPERRIÈRE A., MUCCI A., MACDONALD R.W. and WANG F. (2018) Subsurface methylmercury maximum explains biotic mercury levels in the Canadian Arctic. Nature Scientific Reports 8: 14465, pp. 1-5.

DINAUER A. and MUCCI A. (2018) Distinguishing between physical and biological controls on the spatial variability of pCO2: a novel approach using OMP water mass analysis (St. Lawrence, Canada). Marine Chemistry 204:107-120.

MUCCI A., LEVASSEUR M., GRATTON Y., MARTIAS C., SCARRATT M., GILBERT D., TREMBLAY J.-É., FERREYRA G., and LANSARD B. (2018) Tidally-induced variations of pH at the head of the Laurentian Channel. Can. J. Fish. Aquat. Sci. 75: 1128-1141.

SULPIS O., LIX C., MUCCI A. and BOUDREAU B.P. (2017) Calcite dissolution kinetics at the sediment-water interface in natural seawater. Marine Chemistry 195: 70-83.

DINAUER A. and MUCCI A. (2017) Spatial variability of surface-water pCO2 and gas exchange in the world’s largest semi-enclosed estuarine system: St. Lawrence Estuary (Canada). Biogeosciences 14: 3221-3237.

OLDHAM V.E., MUCCI A., TEBO B.M. and LUTHER III G.W. (2017) Soluble Mn(III)-L complexes are abundant in oxygenated waters and stabilized by humic ligands. Geochim. Cosmochim. Acta 199: 238-246.

LUO Y., BOUDREAU B.P. and MUCCI A. (2016) Disparate acidification and carbonate desaturation of deep and shallow waters of the Arctic Ocean. Nature Communications 7: 12821, pp. 1-8. doi: 10.1038/ncomms12821

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