Alfonso Mucci

Ph.D. Marine and Atmospheric Chemistry, Rosenstiel School of Marine and Atmospheric Sciences, University of Miami (1981)
M.Sc. Chemistry - Physical Organic Chemistry, Université de Montréal (1978)
B.Sc. Chemistry, Université de Montréal (1976)
Carbonate geochemistry, Aquatic environments, Sediment diagenesis, Solid-solution interactions, Geochemical thermodynamics and kinetics
Application of chemical thermodynamics, kinetics and surface chemistry to the characterization of mineral-solution interactions in aquatic environments, carbonate geochemistry, early diagenesis of marine and coastal sediments, trace metal and environmental geochemistry in freshwater, estuarine and marine systems, ocean acidification and de-oxygenation.
MUCCI, A.O. and JUTRAS M. (2026) Seasonably-variable surface-water CO2 gradients and fluxes along the Gulf and St. Lawrence Estuary (Quebec, Canada). Marine Chemistry (accepted with moderate revisions, December 5, 2025, revised manuscript submitted January 12, 2026, online review)
SONG L., MUCCI, A., TENG, Y., POITRASSON, F., DILLON, P., XIAO, S., ZHENG, X., SONG, Y., WANG, Z., LIU, C. and BAO, H. (2025) Large non-mass-dependent iron-isotope signatures in an oxic-anoxic transition zone of lake sediments. Communications Earth & Environment 6: 973, pp. 1-9, doi.org/10.1038/s43247-025-02931-9.
LIN, C.Y., MUSTA, B., ABDULLAH, M.H., ISIDORE, F., CLEOPHAS, F., ROSELLEE, M.H., MUCCI, A.O. (2025) Seawater intrusion and mud volcanism impact the groundwater geochemistry of Bornean small islands. Chemical Geology 695: 123064, pp. 1-16, doi.org/10.1016/j.chemgeo.2025.123064.
NESBITT, W.A., STEVENS, S.W., MUCCI, A.O., GERKE, L., TANHUA, T., CHAILLOU, G., and WALLACE, D.W.R. (2025) The coupled oxygen and carbon dynamics in the subsurface waters of the Gulf and Lower St. Lawrence Estuary and implications for artificial oxygenation. EGUsphere Ocean Sci., 21: 2179–2195, doi.org/10.5194/os-21-2179-2025.
GUINEY H. and MUCCI A.O. (2024) Competitive dissolution of mixed carbonate solids under simulated ocean acidification. Geochim. Cosmochim. Acta 385: 156-168, doi.org/10.1016/j.gca.2024.09.014.
QUDSI Z., MUCCI A.O., DANG H., GÉLINAS Y. and CHAILLOU G. (2024) Contrasting rare earth element concentrations and mixing behaviours in the St. Lawrence Estuary and Saguenay Fjord. Marine Chemistry 258: 104336. pp. 1-13, doi.org/10.1016/j.marchem.2023.104336.
JUTRAS M., DUFOUR C., MUCCI A. and TALBOT L. (2023) Large-scale control of the retroflection of the Labrador Current. Nature Communications 14: 2623, pp. 1-9, doi.org/10.1038/s41467-023-38321-y. Chosen by the Quebec-Science magazine as one of the ten most important discoveries of 2023 by Quebec researchers.
AUDET T., DE VERNAL A., MUCCI A., SEIDENKRANT M.-S., HIILLAIRE-MARCEL C., CARNERO-BRAVO V. and GÉLINAS Y. (2023) Benthic foraminifer assemblages from the Laurentian Channel in the Lower Estuary and Gulf of St. Lawrence, eastern Canada: tracers of bottom water hypoxia. Journal of Foraminifera Research 53(1): 55-77, doi.org/10.2113/gsjfr.53.1.57.
CUI, X., MUCCI, A., BIANCHI, T.S., HE. D., VAUGHN, D., WILLIAMS, E.K., WANG, C., SMEATON, C., KOZIOROWSKA-MAKUCH, K., FAUSR, J.C., PLANTE, A.F., ROSENHEIM, B.E. (2022) Global fjords as transitory reservoirs of labile organic carbon. Science Advances 8: eadd0610, pp. 1-11, www.science.org/doi/10.1126/sciadv.add0610.
SUNDBY B., ANSCHUTZ P., LECROART P. and MUCCI A. (2022) Sea-level change, anaerobic methane oxidation, and the glacial-interglacial phosphorus cycle. Biogeosciences 19: 1421-1434, doi.org/10.5194/bg-19-1421-2022.
DANG H., WANG W., SIKMA A, CHATZIS A. and MUCCI A. (2022) The contrasting estuarine geochemistry of rare earth elements between ice-covered and ice-free conditions. Geochim. Cosmochim. Acta 317: 488-506, doi.org/10.1016/j.gca.2021.10.025.
CHARBONNIER C., ANSCHUTZ P., ABRIL G., MUCCI A., DEIRMENDJIAN L., POIRIER D., BUJANS., LECROART P. (2022) Carbon dynamics driven by seawater recirculation and groundwater discharge along a forest-dune-beach continuum of a high-energy meso-macro-tidal sandy coast. Geochim. Cosmochim. Acta 317: 18-38, doi.org/10.1016/j.gca.2021.10.021.
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, doi.org/10.1139/cjes-2020-0020.
RICHARD, D., MUCCI A., NECULITA C.-M. and ZAGURY G.J. (2020) Comparison of organic materials for the passive treatment of synthetic neutral mine drainage contaminated by nickel: Adsorption and desorption kinetics and isotherms. Water, Air and Soil Pollution, 231: 556, pp. 1-15, doi.org/10.1007/s11270-020-04917-z.
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, doi.org/10.1029/2020JC016577.
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, doi.org/10.5194/bg-17-3923-2020.
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), doi.org/10.1016/j.ecss.2020.106715.
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, doi.org/10.5194/bg-17-547-2020.
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, doi.org/10.1007/s10498-019-09351-0.
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.org/10.1073/pnas.1804250115.