Alfonso Mucci

A. Mucci

Impacts anthropiques sur la
chimie des océans,
acidification, hypoxie

Department of Earth and Planetary Sciences

alfonso.mucci [at] (alfonso[dot]mucci[at]mcgill[dot]ca)

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.

Veetil, S.P., Mucci, A. and Arakaki, T., 2018Dolomite dissolution kinetics in aqueous solutions in the presence of organic and inorganic additives at 25° C and pCO2~ 1 atmChemical Geology 483, 98-110.

Woosley, R.J., Mucci, A., Chen, C.-T., 2018. Preface: Honoring Frank Millero - 24 Years as Editor-in-Chief: Marine Physical Chemistry and Marine Carbon Chemistry. Marine Chemistry 195, 1. DOI: 10.1016/j.marchem.2017.08.008

Dinauer, A., Mucci, A., 2017. Spatial variability in surface-water pCO2 and gas exchange in the world's largest semi-enclosed estuarine system: St. Lawrence Estuary (Canada). Biogeosciences 14 (13), 3221-3237. DOI: 10.5194/bg-14-3221-2017

Hussherr, R., Levasseur, M., Lizotte, M., Tremblay, J.-É., Mol, J., Thomas, H., Gosselin, M., Starr, M., Miller, L.A., Jarniková, T., Schuback, N., Mucci, A., 2017Impact of ocean acidification on Arctic phytoplankton blooms and dimethyl sulfide concentration under simulated ice-free and under-ice conditionsBiogeosciences 14 (9), 2407-2427.

Oldham, V.E., Mucci, A., Tebo, B.M., Luther, G.W., III, 2017. Soluble Mn(III)–L complexes are abundant in oxygenated waters and stabilized by humic ligands. Geochimica et Cosmochimica Acta 199, 238-246. DOI: 10.1016/j.gca.2016.11.043 

Sulpis, O., Lix, C., Mucci, A., Boudreau, B.P., 2017Calcite dissolution kinetics at the sediment-water interface in natural seawaterMarine Chemistry 195, 70-83.

Veetil, S.P., Mucci, A., Arakaki, T., 2017Dolomite dissolution in aqueous solutions in the presence of nucleotides and their structural components at 25°C and pCO2 ~1atmChemical Geology 465, 64-74.

Luo, Y., Boudreau, B.P., Mucci, A., 2016. Disparate acidification and calcium carbonate desaturation of deep and shallow waters of the Arctic Ocean. Nature Communications, 7, art. no. 12821. DOI: 10.1038/ncomms12821

Varela, D.E., Brzezinski, M.A., Beucher, C.P., Jones, J.L., Giesbrecht, K.E., Lansard, B., Mucci, A., 2016. Heavy silicon isotopic composition of silicic acid and biogenic silica in Arctic waters over the Beaufort shelf and the Canada Basin. Global Biogeochemical Cycles 30 (6), 804-824. DOI: 10.1002/2015GB005277

Mahoutian, M., Shao, Y., Mucci, A., Fournier, B., 2015Carbonation and hydration behavior of EAF and BOF steel slag bindersMaterials and Structures/Materiaux et Constructions 48 (9), 3075-3085.

Mucci, A., Bernier, G., Guignard, C., 2015Mercury remobilization in Saguenay Fjord (Quebec, Canada) sediments: Insights following a mass-flow event and its capping efficiencyApplied Geochemistry 54, 13-26. 

Pellerin, A., Bui, T.H., Rough, M., Mucci, A., Canfield, D.E., Wing, B.A., 2015Mass-dependent sulfur isotope fractionation during reoxidative sulfur cycling: A case study from Mangrove Lake, BermudaGeochimica et Cosmochimica Acta 149, 152-164.

Shao, Y., El-Baghdadi, A., He, Z., Mucci, A., Fournier, B., 2015Carbon dioxide-activated steel slag for slag-bonded wallboard applicationJournal of Materials in Civil Engineering, 27 (3), doi: 10.1061/(ASCE)MT.1943-5533.0001055 

Sundby, B., Lecroart, P., Anschutz, P., Katsev, S., Mucci, A., 2015When deep diagenesis in Arctic Ocean sediments compromises manganese-based geochronologyMarine Geology 366, 62-68. 

Barber, A., Lalonde, K., Mucci, A., Gélinas, Y. 2014, The role of iron in the diagenesis of organic carbon and nitrogen in sediments: A long-term incubation experiment, Marine Chemistry, vol. 162, pp. 1-9. 

Giesbrecht, K.E., Miller, L.A., Davelaar, M., Zimmermann, S., Carmack, E., Johnson, W.K., Macdonald, R.W., McLaughlin, F., Mucci, A., Williams, W.J., Wong, C.S., Yamamoto-Kawai, M. 2014, Measurements of the dissolved inorganic carbon system and associated biogeochemical parameters in the Canadian Arctic, 1974-2009, Earth System Science Data, vol. 6, no. 1, pp. 91-104.

Kim, S.-T., Gebbinck, C.K., Mucci, A., Coplen, T.B. 2014, Oxygen isotope systematics in the aragonite-CO2-H2O-NaCl system up to 0.7mol/kg ionic strength at 25°C, Geochimica et Cosmochimica Acta, vol. 137, pp. 147-158.

Luther, G.W., Madison, A.S., Mucci, A., Sundby, B., Oldham, V.E., 2014. A kinetic approach to assess the strengths of ligands bound to soluble Mn(III). Marine Chemistry, in press. 

Mahoutian, M., Shao, Y., Mucci, A., Fournier, B. In press, Carbonation and hydration behavior of EAF and BOF steel slag binders, Materials and Structures 

Miller, L.A., Giesbrecht, K.E., Mucci, A. and Zimmerman, S. In press. Changes in the marine carbonate system of the western Arctic: Patterns in a rescued data set. Polar Research.

Shao, Y., El-Bagdadi, A., He, Z., Mucci, A. and Fournier, B. In press. Carbon dioxide activated steel slag for slag-bonded wallboard application. J. Materials Civil Engineering.

Silverberg, N., Bahena, F.A., Mucci, A. 2014, Time-series measurements of settling particulate matter in Alfonso Basin, La Paz Bay, southwestern Gulf of California. Continental Shelf Research, vol. 84, pp .169-187.

Else, B.G.T., Galley, R.J., Lansard, B., Barber, D.G., Brown, K., Miller, L.A., Mucci, A., Papakyriakou, T.N., Tremblay, J.-É.,  Rysgaard, S. 2013, Further observations of a decreasing atmospheric CO2 uptake capacity in the Canada Basin (Arctic Ocean) due to sea ice loss, Geophysical Research Letters, vol. 40, no. 6, pp. 1132-1137.

Madison, A.S., Tebo, B.M., Mucci, A., Sundby, B., Luther III, G.W. 2013, Abundant porewater Mn(III) is a major component of the sedimentary redox system, Science, vol. 341, no. 6148, pp. 875-878.

Pratte, S., Mucci, A., Garneau, M. 2013, Historical records of atmospheric metal deposition along the St. Lawrence Valley (eastern Canada) based on peat bog cores, Atmospheric Environment, vol. 79, pp. 831-840. 

Richard, D., Sundby, B., Mucci, A. 2013, Kinetics of manganese adsorption, desorption, and oxidation in coastal marine sediments, Limnology and Oceanography, vol. 58, no. 3, pp. 987-996. 

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 δ18O. Journal of Geophysical Research C: Oceans, 117 (3) art. No. C03003.

Lefort, S., Gratton, Y., Mucci, A., Dadou, I., Gilbert, D. 2012. Hypoxia in the Lower St. Lawrence Estuary: How physics controls spatial patterns. Journal of Geophysical Research C: Oceans, 117 (7), art. no. C07018.

Lefort, S., Mucci, A., Sundby, B. 2012. Sediment response to 25 years of persistent hypoxia. Aquatic Geochemistry, 18(6), 461-474. 

Thibodeau, B., Lehmann, M.F., Kowarzyk, J., Mucci, A., Gélinas, Y., Gilbert, D., Maranger, R., Alkhatib, M. 2012. Erratum to " Benthic nutrient fluxes along the laurentian channel: Environmental controls and impact on the N-budget of the St. Lawrence marine system" [Estuar. Coast. Shelf Sci. 90 (4) (2010) 195-205]. Estuarine, Coastal and Shelf Science, 107, 165.

Chierici M., Fransson A., Lansard B., Miller L.A., Mucci A., Shadwick E., Thomas H., Tremblay J.-E. and Papakyriakou T. 2011. The impact of biogeochemical processes and environmental factors on the calcium carbonate saturation state in the Circumpolar Flaw Lead in the Amundsen Gulf, Arctic Ocean. J. Geophys. Res.-Oceans 116: C00G09.

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.

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.

Mackensie, F.T., Mucci, A., Luther III, G.W. 2011. Preface to John W. Morse Special Issue of Aquatic Geochemistry. Aquatic Geochemistry, 17 (4), 307-310.

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.

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.

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

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.

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.

Audet, Tiffany : Doctorat en sciences de la Terre
Département des sciences de la Terre et de l'atmosphère, Université du Québec à Montréal
Codirection : Anne de Vernal
Sujet de recherche : Évolution de l’hypoxie dans le chenal Laurentien, estuaire et du golfe du Saint-Laurent, selon le contenu biogénique du sédiment.
Daoust, Pascale : Doctorat en sciences de la Terre et des planètes
Department of Earth and Planetary Sciences, McGill
Codirection : Galen Halverson; Ross Stevenson
Sujet de recherche : Ocean acidification and its impact on carbonate mineral preservation and mineralogy
Duval, Gwenn : Maîtrise en océanographie
Institut des sciences de la mer de Rimouski, Université du Québec à Rimouski
Codirection : André Pellerin; Gwénaëlle Chaillou, ISMER-UQAR
Sujet de recherche : Évaluation de la sulfato-réduction dans les sédiments de la zone hypoxique du Saint-Laurent
Guay, Carole-Anne : Maîtrise en océanographie
Institut des sciences de la mer de Rimouski, Université du Québec à Rimouski
Codirection : Gwenaëlle Chaillou, ISMER-UQAR
Sujet de recherche : Impacts de la matière organique terrigène sur la chimie des eaux côtières aux hautes latitudes
Hérard, Olivier : Maîtrise en océanographie
Institut des sciences de la mer de Rimouski, Université du Québec à Rimouski
Codirection : Gwenaëlle Chaillou, ISMER-UQAR
Sujet de recherche : Dynamique du CO2 dans le système côtier de la Baie de Kamouraska
Mirzaei, Yeganeh : Doctorat en chimie
Department of Chemistry & Biochemistry, Concordia University
Codirection : Yves Gélinas