Seasonal variations of coastal sedimentary trace metals cycling: Insight on the effect of manganese and iron (oxy)hydroxides, sulphide and organic matter
Alkalinity
; Biogeochemistry
; Biological materials
; Chemical analysis
; Chemical speciation
; Dissolution
; Lead
; Manganese
; Marine pollution
; Metals
; Models
; Multivariant analysis
; Organic compounds
; Sedimentology
; Sediments
; Sulfur compounds
; Coastal sediments
; Dissolved organic matters
; Precipitation process
; Seasonal variation
; Speciation calculations
; Sulphide
; Thermodynamic simulations
; Trace metal
; Trace elements
; cadmium
; cobalt
; copper
; dissolved organic matter
; ferric hydroxide
; hydroxide
; lead
; manganese oxyhydroxide
; nickel
; organic matter
; porewater
; silver
; sulfide
; trace metal
; unclassified drug
; water
; zinc
; hydroxide
; iron
; manganese
; metal
; sulfide
; water pollutant
; coastal sediment
; iron hydroxide
; manganese
; modeling
; organic matter
; seasonal variation
; sediment pollution
; sulfide
; trace metal
; acid extraction
; alkaline extraction
; Article
; ascorbate extraction
; biogeochemical cycling
; chemical analysis
; chemical parameters
; chemical phenomena
; coastal waters
; concentration (parameters)
; controlled study
; diagenesis
; element mobility
; element saturation index
; environmental monitoring
; extraction
; Mediterranean Sea
; molecular interaction
; PHREEQC calculation
; physical chemistry
; precipitation
; seasonal variation
; sediment
; sediment core
; simulation
; solid liquid interaction
; surface sediment
; analysis
; chemistry
; season
; sediment
; theoretical model
; water pollutant
; France
; Provence-Alpes-Cote d'Azur
; Toulon Bay
; Var
; Geologic Sediments
; Hydroxides
; Iron
; Manganese
; Metals
; Models, Theoretical
; Seasons
; Sulfides
; Water Pollutants, Chemical
Scopus学科分类:
Agricultural and Biological Sciences: Aquatic Science
; Earth and Planetary Sciences: Oceanography
; Environmental Science: Pollution
英文摘要:
The combination of analysis, multivariate treatment (PCA) and chemical speciation calculation confirmed the control of Fe, Mn, sulphide and organic matter on metals dynamics in coastal sediments (0-5 cm surface sediments and sediments cores) of Toulon Bay (NW Mediterranean). The temporal monitoring of the physic-chemical parameters as well as the dissolved/particulate minor (Fe/Mn) and trace elements (i.e. Ag, Cd, Co, Cu, Ni, Pb, Zn,.) concentrations in porewaters and sediments were assessed. Multivariate treatment revealed different behaviours for marine elements, terrestrial ones and contaminants. Seasonal variations of metals mobilization in porewater were observed, related to diagenesis activity. Element mobility was studied by selective extractions (ascorbate, acid and alkaline) on sediments. Thermodynamic simulation (PHREEQC) was performed to calculate the elemental dissolved speciation, the mineral saturation index and then to simulate the solid/liquid interaction through precipitation processes, studying the contrasted influence of dissolved organic matter and sulphide. � 2015 Elsevier Ltd.
Universit� de Toulon, PROTEE, EA 3819, La Garde, France; Center for Marine and Environmental Research, Ruder Bošković Institute, P.O. Box 180, Zagreb, Croatia; LASEM-Toulon, Base Navale De Toulon, BP 61, Toulon, France
Recommended Citation:
Dang D.H.,Lenoble V.,Durrieu G.,et al. Seasonal variations of coastal sedimentary trace metals cycling: Insight on the effect of manganese and iron (oxy)hydroxides, sulphide and organic matter[J]. Marine Pollution Bulletin,2015-01-01,92(2018-01-02)