MUCCI Alfonso

aMucci

Earth & Planetary Sciences
3450 University St.
Montreal, Quebec
Canada H3A 2A7

alfonso.mucci@mcgill.ca
Téléphone: (514) 398-4892
Télécopieur: (514) 398-4680
Bureau: Adams Building (room FDA-210)

Ph.D., University of Miami, U.S. (1981)
Department of Earth and Planetary Sciences, McGill University

Publications

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Les droits des documents présentés sur cette page appartiennent à leurs auteurs respectifs (voir pour chaque publication les noms des auteurs). Les lecteurs de cette page sont autorisés à télécharger une copie de chaque publication pour leur usage personnel. Une autorisation écrite des détenteurs de chacun des copyrights est nécessaire pour une distribution ou un autre usage de ce matériel scientifique.

Else, B.G.T., Papakyriakou, T.N., Galley, R.J., Mucci, A., Gosselin, M., Miller, L.A., Shadwick, E.H., Thomas, H. 2012. Annual cycles of pCO2 sw in the southeastern Beaufort Sea : New understandings of air-sea CO2 exchange in arctic polynya regions. Journal of Geophysical Research C : Oceans, 117 (4), art. no. C00G13.  

Lalonde, K., Mucci, A., Ouellet, A., Gélinas, Y. 2012. Preservation of organic matter in sediments promoted by iron. Nature, 483 (7388) 198-200.

Lansard, B., Mucci, A., Miller, L.A., MacDonald, R.W., Gratton, Y. 2012. Seasonal variability of water mass distribution in the southeastern Beaufort Sea determined by total alkalinity and δ 18O. Journal of Geophysical Research C: Oceans, 117 (3) art. No. C03003

Magen, C., Mucci, A., Sundby, B., 2011. Reduction rates of sedimentary Mn and Fe oxides: an incubation experiment with Arctic Ocean sediments. Aquatic Geochemistry, 17, 629-643. pdf

Mucci, A., Starr, M., Gilbert, D., Sundby, B., 2011. Acidification of Lower St. Lawrence Estuary bottom waters, Atmosphere-Ocean, 49, 206-213. pdf 

Crowe, S., Katsev, S., Leslie, K., Sturm, A., Magen, C., Nomosatryo, S., Pack, M., Kessler, J., Reeburgh, W., Roberts, J., Gonzalez, L., Haffner, G., Mucci, A., Sundby, B., Fowle, D., 2011. The methane cycle in ferruginous Lake Matano, Geobiology, 9(1), 61-78. pdf

Genovesi, L., de Vernal, A., Thibodeau, B., Hillaire-Marcel, C., Mucci, A., Gilbert, D., 2011. Recent changes in bottom water oxygenation and temperature in the gulf of st. Lawrence: Micropaleontological and geochemical evidence, Limnology and Oceanography, 56(4), 1319-1329. pdf

Miller, L. A., Papakyriakou, T.N., Collins, R.E., Deming, J.W., Ehn, J.K., Macdonald, R.W., Mucci, A., Owens, O.,  Raudsepp, M., Sutherland, N. 2011. Carbon dynamics in sea ice: A winter flux time series, Journal of Geophysical Research, 116, C02028, doi:10.1029/2009JC006058. pdf

Thomas, H., Shadwick, E., Dehairs, F., Lansard, B., Mucci, A., Navez, J., Gratton, Y., Prowe, F., Chierici, M., Fransson, A., Papakyriakou, T.N., Strenberg, E., Miller, L., Tremblay, J.-E., Monnin, C., 2011. Barium and carbon fluxes in the Canadian Arctic Archipelago, Journal of Geophysical Research-Oceans, 116, C00G08. pdf

Shadwick, E.H., Thomas, H., Chierici, M., Else, B., Fransson, A., Michel, C., Miller, L.A., Mucci, A., Niemi, A., Papakyriakou, T.N., Tremblay, J.-É., 2011. Seasonal variability of the inorganic carbon system in the Amundsen Gulf region of the Southeastern Beaufort Sea, Limnology and Oceanography 56(1), 303-322. pdf

Thibodeau, B., Lehmann, M.F., Kowarzyk, J., Mucci, A., Gélinas, Y., Gilbert, D., Maranger, R., Alkhatib, M.,  2010. Benthic nutrient fluxes along the Laurentian Channel: Impacts on the N budget of the St. Lawrence marine system, Estuarine, Coastal and Shelf Science, 90(4), 195-205. pdf

Katsev, S., Crowe, S.A., Mucci, A., Sundby, B., Nomosatryo, S., Haffner, G.D., Fowle, D.A., 2010. Mixing in deep tropical Lake Matano, Indonesia: Controls on the vertical distribution of solutes, Limnology and Oceanography, 55(2), 763-776. pdf

Magen, C., Chaillou, G., Crowe, S.A., Mucci, A., Sundby, B., Gao,.A., Makabe, R., Sasaki, H., 2010. Origin and fate of particulate organic matter in the Southern Beaufort Sea - Amundsen Gulf region, Canadian Arctic, Estuarine, Coastal and Shelf Science, 86(1), 31-41. pdf

Mucci, A., Lansard, B., Miller, L.A., Papakyriakou, T.N., 2010. CO2 fluxes across the air‐sea interface in the southeastern Beaufort Sea: Ice‐free period, Journal of Geophysical Research, 115(4), C04003, doi:10.1029/2009JC005330. pdf

Thibodeau, B., de Vernal, A., Hillaire-Marcel, C., Mucci, A., 2010. Twentieth Century warming in deep waters of the Gulf of St. Lawrence: A unique feature of the last millennium, Geophysical Research Letters, 37, L17604, doi:10.1029/2010GL044771. pdf

Villegas-Jimenez, A., Mucci, A., 2010.  Estimating intrinsic formation constants of mineral surface species using a genetic algorithm, Mathematical Geosciences, 42, 101-127, doi: 10.1007/s11004-009-9259-8. pdf

Villegas-Jiménez, A., Mucci, A., Pokrovsky, O.S., Schott, J., 2010. Acid-base behavior of the gaspeite (NiCO3(s)) surface in NaCl solutions, Langmuir, 26 (15), 12626-12639. pdf

Kim, S.-T.,  Kang, J.O., Yun, S.-T., O'Neil, J.R., Mucci, A., 2009. Experimental studies of oxygen isotope fractionation between rhodochrosite (MnCO3) and water at low temperatures, Geochimica et Cosmochimica Acta, 73 (15), 4400-4408, doi: 10.1016/j.gca.2009.04.018. pdf

Lehmann, M.F., Barnett, B., Gélinas, Y., Gilbert, D., Maranger, R., Mucci, A., Sundby, B.,  Thibodeau, B.,  2009. Aerobic respiration and hypoxia in the lower St. Lawrence Estuary: Stable isotope ratios of dissolved oxygen constrain oxygen sink partitioning, Limnology and Oceanography, 54(6), 2157-2169. pdf

Villegas-Jiménez, A., Mucci, A., Paquette, J., 2009.  Proton/calcium ion exchange equilibria in calcite, Physical Chemistry Chemical Physics,  11(32), 8895-8912, DOI:10.1039/B815198A. pdf

Villegas-Jiménez, A., Mucci, A., Pokrovsky, O.S.,  Schott, J., 2009. Defining Reactive Sites on Hydrated Mineral Surfaces: Rhombohedral Carbonate Minerals, Geochimica et Cosmochimica Acta, 73 (15), 4326-4345, doi:10.1016/j.gca.2009.04.036. pdf

Villegas-Jiménez, A., Mucci, A., Whitehead, M.A., 2009. Theoretical insights into the hydrated (10.4) calcite surface: Structure, energetics, and bonding relationships, Langmuir, 25 (12), 6813-6824. pdf

Crowe, S.A., Jones, C., Katsev, S., Magen, C., O’Neill, A.H., Sturm, A, Canfield, D., Haffner, G.D., Mucci, A., Sundby, B., Fowle, D.A., 2008. Photoferrotrophs thrive in an Archean Ocean analogue, Proceedings of the National Academy of Sciences of the United States of America (PNAS), 105(41), 15938-15943. pdf

Crowe, S.A., O’Neill, A.H., Katsev, S., Hehanussa, P., Haffner, G.D., Sundby, B., Mucci, A., Fowle, D., 2008. The biogeochemistry of tropical lakes: A case study from ancient Lake Matano, Indonesia, Limnology and Oceanography, 53(1), 319-331. pdf

Mucci, A., Forest, A., Fortier, L., Fukuchi, M., Grant, J., Hattori, H., Hill, P., Lintern, G., Makabe, R., Magen, C., Miller, L., Sampei, M., Sasaki, H., Sundby, B., Walker, T., Wassmann, P., 2008. Organic and Inorganic Fluxes. In : L. Fortier, D.G. Barber and J. Michaud (Eds.), On Thin Ice: A synthesis of the Canadian Arctic Shelf Exchange Study (CASES), Aboriginal Issues Press, Chapter 7, 143-158, 215pp.

Katsev, S., Chaillou, G., Sundby, B.,Mucci, A., 2007. Impact of progressive oxygen depletion on sediment diagenesis and fluxes: A model for the Lower St. Lawrence Estuary, Limnol. Oceanogr., 52(6), 2555-2568. GEOTOP Publication n° 2007-0058. pdf

Kim, S.-T., Mucci, A. , Taylor, B.E.,  2007. Phosphoric acid fractionation factors for calcite and aragonite between 25 and 75°C: revisited, Chemical Geology, 246 (3-4), 135-146. pdf

Kim, S.-T., O’Neil, J.R., Hillaire-Marcel, C., Mucci, A., 2007. Oxygen isotope fractionation between synthetic aragonite and water: Influence of temperature and Mg2+ concentration, Geochim. Cosmochim. Acta, 71, 4704–4715. GEOTOP Publication n°2007-0027. pdf

McKay, J.L., Pedersen, T.F. , Mucci, A., 2007. Sedimentary redox conditions in continental margin sediments (N.E. Pacific) – Influence on the accumulation of redox-sensitive trace metals, Chemical Geology, 238, 180-196. pdf

Benoît, P., Gratton, Y., Mucci, A., 2006. Modeling of dissolved oxygen levels in the bottom waters of the Lower St. Lawrence Estuary: coupling of benthic and pelagic processes, Marine Chemistry, 102, 13-32. pdf

Chien, Y.-C., Mucci, A., Paquette, J., Sears, S.K., Vali, H., 2006. Comparative study of nanoscale surface structures of calcite microcrystals using FE-SEM, AFM, and TEM, Microscopy and Microanalysis, 12, 1-9. pdf

Desrosiers, M., Planas, D., Mucci, A., 2006. Total mercury and methylmercury accumulation in periphyton of Boreal Shield Lakes: influence of watershed physiographic characteristics, Science of the Total Environment, 355, 247-258. GEOTOP Publication n° 2006-0019. pdf

Desrosiers, M., Planas, D., Mucci, A., 2006. Mercury methylation in the epilithon of Boreal Shield aquatic ecosystems, Environmental Science & Technology, 40, 1540-1546. GEOTOP Publication n° 2006-0006. pdf

Desrosiers, M., Planas, D., Mucci, A., 2006. Short-term responses to watershed logging on biomass, mercury and methylmercury accumulation by periphyton in boreal lakes, Can. J. Fish. Aquat. Sci., 63, 1734-1745. GEOTOP Publication n° 2006-0005. pdf

Katsev, S., Sundby ,B., Mucci, A., 2006. Modeling vertical excursions of the redox boundary in sediments: Application to deep basins of the Arctic Ocean, Limnol. Oceanogr., 51, 1581-1593. pdf

Kim, S.-T., Hillaire- Marcel, C. , Mucci, A., 2006. Mechanisms of equilibrium and kinetic oxygen isotope effects in synthetic aragonite at 25°C, Geochim. Cosmochim. Acta, 70, 5790-5801, doi:10.1016/ j.gca.2006.08.003. GEOTOP Publication n° 2006-0001. pdf

Thibodeau, B., de Vernal, A., Mucci, A., 2006. Recent eutrophication and consequent hypoxia in the bottom waters of the Lower St. Lawrence Estuary: micropaleontological and geochemical evidence, Marine Geology, 231, 37-50. GEOTOP Publication n° 2006-0007. pdf

Gilbert, D., Sundby, B., Gobeil, C., Mucci, A., Tremblay, G., 2005. A seventy-two-year record of diminishing deep-water oxygen in the St. Lawrence estuary – the northwest Atlantic connection, Limnol. Oceanogr., 50, 1654-1666. pdf

Mucci, A., 2004. The behavior of mixed Ca-Mn carbonates in water and seawater: controls of manganese concentrations in marine porewaters, Aquatic Geochemistry, 10, 139-169. GEOTOP Publication n° 2004-0006. pdf

Davis, T.A., Ramirez, M., Mucci, A., Larsen, B., 2004. Extraction, isolation and cadmium binding of alginate from Sargassum spp., J. Applied Phycology, 16, 275-284. GEOTOP Publication n° 2004-0004. pdf

Garand, A., Mucci, A., 2004. The solubility of fluorite as a function of ionic strength and solution composition at 25°C and 1 atm total pressure, Marine Chemistry, 91, 27-35. GEOTOP Publication n° 2004-0005. pdf

Davis, T.A., El Cheikh Ali, F., Giannitti, E., Volesky, B., Mucci, A., 2004. Cadmium biosorption by S. fluitans: treatment, resilience and uptake relative to other Sargassum spp. and brown algae, Water Qual. Res. J. Can., 39, 183-189. GEOTOP Publication n° 2004-0007. pdf

Friss, A.K., Davis, T.A., Figueira, M.M., Paquette, J., Mucci, A., 2003. Influence of Bacillus subtilis cell walls and EDTA on calcite dissolution rates and crystal surface features, Environ. Sci. Technol., 37, 2376-2382. GEOTOP Publication n° 2003-0002. pdf

Davis, T.A., Volesky, B., Mucci, A., 2003. A review of the biochemistry of heavy metal biosorption by brown algae, Water Res., 37, 4311-4330. GEOTOP Publication n° 2003-0003. pdf

Davis, T.A., Llanes, F., Volesky, B., Diaz-Pulido, G., McCook, L., Mucci, A., 2003. A 1H-NMR study of Na alginates extracted from Sargassum spp. In relation to heavy metal biosorption, Applied Biochem and Biotechnol. Journal, 110, 75-90. GEOTOP Publication n° 2003-0004. pdf

Gao, Y., Mucci, A., 2003. Individual and competitive adsorption of phosphate and arsenate on goethite in artificial seawater, Chem. Geol., 199, 91-109. GEOTOP Publication n° 2003-0005. pdf

Mucci, A., Boudreau, B., Guignard, C., 2003. Diagenetic mobility of trace elements in sediments covered by a flash flood deposit: Mn, Fe, and As, Applied Geochem., 18, 1011-1026. pdf

Davis, T.A., Llanes, F., Volesky, B., Mucci, A., 2003. Metal selectivity of Sargassum spp. and their alginates in relation to their α-L-guluronic acid content and conformation, Environm. Sci. Technol., 37, 261-267. GEOTOP Publication n° 2003-0007. pdf

Deflandre, B., Mucci, A., Gagné, J.-P., Guignard, C., Sundby, B., 2002. Early diagenetic processes in coastal marine sediments disturbed by a catastrophic sedimentation event, Geochim. Cosmochim. Acta, 66, 2547-2558. pdf

Leduc, J., Bilodeau, G., de Vernal, A., Mucci, A., 2002. Distribution of benthic foraminiferal populations in surface sediments of the Saguenay Fjord, before and after the 1996 flood, Palaeogeogr., Palaeclimatol., Paleoecology, 180, 207-223. GEOTOP Publication n° 2002-0003. pdf

Gao, Y., Mucci, A., 2001. Acid base reactions, phosphate and arsenate complexation, and their competitive adsorption at the surface of goethite in 0.7M NaCl, Geochim. Cosmochim. Acta, 65, 2361-2378. GEOTOP Publication n° 2001-0002. pdf

Anschutz, P., Sundby, B., Lefrançois, L., Luthier III, G.W., Mucci, A., 2000. Interactions between metal oxides and species of nitrogen and iodine in bioturbated marine sediments, Geochim. Cosmochim. Acta, 64, 2751-2763. pdf

Mucci, A., Richard, L.-F., Lucotte, M., Guignard, C., 2000. The differential geochemical behaviour of arsenic and phosphorus in the water column and sediments of the Saguenay Fjord Estuary, Canada, Aquatic Geochem., 6, 293-324. GEOTOP Publication n° 2000-0002. pdf

Saulnier, I., Mucci, A., 2000. Trace metal remobilization following the resuspension of estuarine sediments: Saguenay Fjord, Canada, Appl. Geochem., 15, 203-222. pdf

Silverberg, N., Sundby, B., Mucci, A., Zhong, S., Arakaki, T., Hall, P., Landen, A., Tenberg, A., 2000. Remineralization of organic carbon in eastern Canadian margin sediments, Deep-Sea Res., 47, 699-731. pdf

Mucci, A., Sundby, B., Gehlen, M., Arakaki, T., Zhong, S., Silverberg, N., 2000. The fate of carbon in continental shelf sediments of Eastern Canada: A case study, Deep-Sea Res., 47, 733-760. pdf

St-Onge, G., Leduc, J., Bilodeau, G., de Vernal, A., Devilliers, R., Hillaire-Marcel, C., Loucheur V., Marmen, S., Mucci, A., Zhang, D., 1999. Caractérisation des sédiments récents du fjord du Saguenay (Québec) à partir de traceurs physiques, géochimiques, isotopiques et micropaléontologiques, Géographie Physique et Quaternaire, 53, 339-350. GEOTOP Publication n° 1999-0001. pdf

Thèmes de recherche

The Admunsen icebreaker Mots clé: Aquatic geochemistry, solid and aqueous carbonate geochemistry, solid-solution interactions, early diagenesis, environmental geochemistry, oceanography, biosorption.

Trace metal geochemistry in freshwater and marine environments. Recent studies include the remobilization of trace metals in marine and coastal sediments as well as the fate of redox-sensitive species (e.g., Mn, Fe, As, Re, U, Mo) in sediments under varying conditions of oxygenation.

Since 2002, we have investigated factors responsible for the development of hypoxic conditions in the bottom waters of the Lower Estuary and Gulf of St. Lawrence as well as the impacts of hypoxia on the chemistry of the underlying sediments and the concomitant acidification of the waters.

Early diagenesis of marine, coastal and estuarine sediments including the biochemical processes that control the accumulation and preservation of organic and inorganic carbon in marine sediments and the generation of hypoxic bottom waters in the St. Lawrence Estuary.

The carbon cycle in the oceans, most recently within the Canadian Arctic Shelf Exchange Study (CASES), Circumpolar Flaw Lead (CFL), GEOTRACES, MALINA and ArcticNet programs in the Beaufort Sea and throughout the northwest passage. We have acquired multiproxy data since 2003, including two continuous 12-month records, to characterize the carbon budget, the magnitude and seasonality of the carbon dioxide flux at the air-sea interface, and identify the various water masses.

Application of chemical thermodynamics, kinetics and surface chemistry to the characterization of equilibrium mineral phases in natural aquatic environments and the study of solid-solution interactions. In most natural waters, the solid phases that control the solubility of their dissolved constituents are rarely pure phases since they adsorb and incorporate foreign ions present in solution. The partitioning of these ions in the solids is determined by their affinity for the solid surface, their compatibility with the solid structure, and the rate at which the solids are precipitated. Most recent work has focussed on modeling charge development and the electrokinetic properties of carbonate minerals in the framework of surface complexation theory.

Entrevues

Jacques Locat (Université Laval), Guillaume St-Onge (GEOTOP-ISMER-UQAR) et Alfonso Mucci (GEOTOP-Université McGill) ont été interviewés par Radio Canada (cf. émission radiophonique "Les années lumière" du 12 juin et Téléjournal du 22 juin). Les entrevues, effectuées à bord du Coriolis II, portent sur les évènements géologiques qui ont eu lieu dans le fjord du Saguenay et sur l’éventualité d’un tsunami dans le golfe du St-Laurent. 

Étudiants

Chen, Qiang: Ph.D., McGill University
Sujet de recherche: Comportement diagénétique des élément redox-sensibles (U, Re, Mo, V, Cd) dans les sédiments du Saint-Laurent
Codirection: Bjorn Sundby, INRS et McGill University

Lalonde, Karine: Ph.D, Université Concordia
Sujet de recherche: Interactions entre la matiere organique et les oxyhydroxides de fer dans les sediments
Direction: Yves Gélinas, Department of Chemistry and Biochemistry, Concordia University

Lamana, Thais: M.Sc., McGill University
Sujet de recherche: L'adsorption et l'incorporation du plomb dans les carbonates

Lefort, Stelly: Ph. D. , McGill University
Sujet de recherche: L’hypoxie des eaux de fond de l’estuaire du Saint-Laurent : géochimie et modélisation
Codirection: Denis Gilbert, MPO-IML et Bjorn Sundby, ISMER et McGill University

Pratte, Steve: M.Sc., McGill University
Sujet de recherche: Historical reconstruction of atmospheric trace metals deposition along the St. Lawrence Lowlands
Codirection: Michelle Garneau, département de Géographie, UQAM

Richard, Dominique: M.Sc., McGill University
Sujet de recherche: Cinétique d'oxidation du Mn(II) sur les particules remobilisées à l'interface eau-sédiment par les organismes benthiques

Wang, Tingting: Ph. D. , McGill University
Sujet de recherche: Carbonate mineral surface geochemistry