Measurement of Acid Volatile Sulphide and Simultaneously Extracted Metals in Sediment from Lake Albufera (Valencia, Spain)

Hernández-Crespo, Carmen; Martín, Miguel; Ferris, M.; Oñate, Margarita

doi:10.1080/15320383.2012.649374

Cited by 14 publications

(15 citation statements)

References 22 publications

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“…At the surface sediment top, its low values can be attributed to the exposure of bio-irrigation (bioturbation) and the permeation of oxygen from surface waters, which create aerobic oxidation of the sulfides and thus lower the AVS levels (Campana et al, 2005;Nizoli and Luiz-Silva, 2012). But the lower levels of AVS and Fe observed in deeper layers may be accounted for by the replacement of reactive Fe and AVS by stable or crystalline fractions within deeper sediment, such as pyrite (Hernández Crespo et al, 2012).…”

Section: Sulfides: Acid Volatile Sulfides (Avs)mentioning

confidence: 95%

“…The equilibrium concentration of AVS in sediment is the result of the balance of both the rate at which its production and the rate at which its loss by oxidation or diffusion, the supply of SO 4 2− , the rate of SO 4 2− reduction and organic matter decomposition, and the redox status of sediments that all could affect AVS concentrations (Hou et al, 2013). The circumstances giving rise to the formation and the distribution of AVS in aquatic sediments are very complex as a result of seasonal and spatial variations in physical-chemical properties of the pore water (Hernández Crespo et al, 2012). The distribution of AVS concentrations varies temporally and spatially (Campana et al, 2009) and the values of AVS increase with sediment depth (Chen et al, 2006;Fang et al, 2005).…”

Section: Sulfides: Acid Volatile Sulfides (Avs)mentioning

confidence: 99%

“…Based on the chemical basis, this has created a condition that the content of AVS and SEM are promulgated as a measure of sediment quality (Burton et al, 2006b(Burton et al, , 2007Hernández Crespo et al, 2012;Li et al, 2010). The relationship SEM/AVS b 1(or [SEM-AVS] b 0) is a stoichiometrically determined proposal to predict the low or non-potential bioavailability of metals (Lee et al, 2000b;Nizoli and Luiz-Silva, 2012).…”

Section: Sulfides: Acid Volatile Sulfides (Avs)mentioning

confidence: 99%

“…The chemical basis of AVS bind with metal ions is the occurrence of displacement between iron in iron monosulphides (FeS(s)) and divalent metals (Me 2+ ) to form more insoluble metal sulfides (Fang et al, 2005;Hernández Crespo et al, 2012;Machado et al, 2010;Nizoli and Luiz-Silva, 2012):…”

Section: Sulfides: Acid Volatile Sulfides (Avs)mentioning

confidence: 99%

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Effects of sediment geochemical properties on heavy metal bioavailability

Zhang

Zeng

et al. 2014

Environment International

629

206

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As the largest container and resource of metals, sediment has a special role in the fate of metals. Factors influencing bioavailability of heavy metals in sediment have never been comprehensively considered and the sediment properties still fail to understand and even controversial. In this review, the mechanisms of sediment properties such as acid-volatile sulfides (AVS), organic matter, texture (clay, silt or sand) and geology, organism behaviors as well as those influencing the bioavailability of metals were analyzed. Under anoxic condition, AVS mainly reduce the solubility and toxicity of metals, while organic matters, Fe-Mn oxides, clay or silt can stabilize heavy metals in elevated oxidative-reductive potential (ORP). Other factors including the variation of pH, redox potential, aging as well as nutrition and the behavior of benthic organism in sediment also largely alter metals mobility and distribution. These factors are often inter-related, and various toxicity assessment methods used to evaluate the bioavailability of trace metals have been also discussed. Additionally, we expect that some novel synthetic materials like polysulfides, nano-materials, provide the substantial amendments for metals pollution in sediment.

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Section: Sulfides: Acid Volatile Sulfides (Avs)mentioning

confidence: 95%

Section: Sulfides: Acid Volatile Sulfides (Avs)mentioning

confidence: 99%

Section: Sulfides: Acid Volatile Sulfides (Avs)mentioning

confidence: 99%

Section: Sulfides: Acid Volatile Sulfides (Avs)mentioning

confidence: 99%

See 2 more Smart Citations

Effects of sediment geochemical properties on heavy metal bioavailability

Zhang

Zeng

et al. 2014

Environment International

629

206

View full text Add to dashboard Cite

show abstract

“…This study provides useful 304 information for designing such measures, for instance the thickness of the contaminated layer of 305 sediment. We suggest a prioritization of areas for action, focusing first on the tributary ditches, which 306 are highly contaminated (Hernández-Crespo et al, 2012), and second on a perimeter belt inside the 307 lake, where other measures softer than dredging, such as phytoremediation, could be applied. 308…”

Section: Pollution Assessment 255mentioning

confidence: 99%

Determination of background levels and pollution assessment for seven metals (Cd, Cu, Ni, Pb, Zn, Fe, Mn) in sediments of a Mediterranean coastal lagoon

Hernández-Crespo

Martín

2015

CATENA

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ElsevierHernández Crespo, C.; Martín Monerris, M. (2015). Determination of background levels and pollution assessment for seven metals (Cd, Cu, Ni, Pb, Zn, Fe, Mn) Abstract: The determination of background levels of trace metals in soils and sediments is a key point for the proper assessment of pollution degree. This study demonstrates the suitability of integrating geological and statistical methods for the reliable determination of background levels, applying it to the sediments of Lake Albufera, a wetland of international importance that is highly eutrophic. The procedure followed includes sampling of sediment cores at different points of the lake, including reference sites, and the subsequent statistical analysis of the data, comprising descriptive statistics, probabilistic plots and modal analysis. The final proposal of background levels considers the data subset separated by the statistical analysis and the spatial and age characteristics of sediments, proving the usefulness of jointly using geological and statistical methods. The upper limits of the (25.9), Pb (25.5), Zn (88.6), Fe (2.2%) and Mn (345.7). Background levels proposed for different parts of Spain, found in an extensive literature review, are also provided in this article. Once determined the background levels, the assessment of pollution degree of sediments using pollution indexes indicates that the top 25 to 30 cm of sediments has a pollution level between moderate and severe in the peripheral sites, which are nearest to the pathways of contamination, and that the north zone of the lake is the most polluted by the group of the five metals, including Cd, Cu, Ni, Pb and Zn. Graphical Abstract (for review)Highlights: We establish background levels for metals to sediments of Lake Albufera.  An integrated method of geological and statistical approaches has been used.  The depth to which sediments are contaminated is provided, the upper 30 cm. Abstract 10 The determination of background levels of trace metals in soils and sediments is a key point for the 11 proper assessment of pollution degree. This study demonstrates the suitability of integrating 12 geological and statistical methods for the reliable determination of background levels, applying it to 13 the sediments of Lake Albufera, a wetland of international importance that is highly eutrophic. The 14 procedure followed includes sampling of sediment cores at different points of the lake, including 15 reference sites, and the subsequent statistical analysis of the data, comprising descriptive statistics, 16 probabilistic plots and modal analysis. The final proposal of background levels considers the data 17 subset separated by the statistical analysis and the spatial and age characteristics of sediments, 18 proving the usefulness of jointly using geological and statistical methods. The upper limits of the 19 background populations, defined as the mean+2σ and expressed in mg/kg, are Cd (0.38), Cu (28.8), 20 Ni (25.9), Pb (25.5), Zn (88.6), Fe (2.2%) and Mn (345.7). Background levels p...

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Impact of organic carbon on heavy metals of river sediments and aquatic ecosystems: A review

Basti,

Sahu,

Pati

et al. 2024

Environmental Quality Mgmt

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Organic carbon with variable chemical composition sourced primarily from terrestrial and aquatic biogenic input has a significant impact on sediment heavy metal mobility. The present scientific view is unclear in deciphering the role of labile organic carbon in changing sediment heavy metal concentration. The present review critically assesses the impact of various forms of carbon on different geochemically bound heavy metal fractions and their monitoring. It is evident from the review that, the biochemical form of organic carbon (based on degradability and biopolymeric forms), carbon‐geochemical association, and density of organic carbon (light or heavy carbon fractions) plays an important role in determining the bioavailability and toxicity of metals for aquatic organisms. Besides the organic carbon, various sediment conditions that define the behavior of heavy metals include pH, redox condition, sulfide concentration, salinity, temperature, etc. Therefore, it is recommended that carbon relation with heavy metal mobility and stability should be included under long‐term sediment management plans to maintain the sediment quality of the river system.

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Measurement of Acid Volatile Sulphide and Simultaneously Extracted Metals in Sediment from Lake Albufera (Valencia, Spain)

Cited by 14 publications

References 22 publications

Effects of sediment geochemical properties on heavy metal bioavailability

Effects of sediment geochemical properties on heavy metal bioavailability

Determination of background levels and pollution assessment for seven metals (Cd, Cu, Ni, Pb, Zn, Fe, Mn) in sediments of a Mediterranean coastal lagoon

Impact of organic carbon on heavy metals of river sediments and aquatic ecosystems: A review

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