Search or ask a question

What are the commonly used guidelines for sediment quality assessment in coastal areas?

Best insight from top research papers

Commonly used guidelines for sediment quality assessment in coastal areas include Sediment Quality Guidelines (SQGs), Pollution Load Index (PLI), geoaccumulation index (Igeo), contamination factor (CF), and enrichment factor (EF). These guidelines help evaluate the physico-chemical properties of sediments, assess metal pollution levels, and determine contamination degrees by anthropogenic sources. SQGs provide thresholds for various contaminants, while PLI assesses overall pollution levels. Igeo indicates the accumulation of specific metals, while CF and EF help understand the contamination and enrichment levels of sediments. These guidelines aid in determining the safety of coastal sediments from pollution, identifying potential risks to biota, and establishing monitoring protocols for anthropogenic activities in coastal regions.

Answers from top 5 papers

PDF

Open Access

More filters

Papers (5)	Insight
Journal Article•DOI Assessment of Sediment Quality Through Multiple Geochemical Proxies in a Heavily Industrialized Harbor Area in South America, Santos Estuarine Channel, São Paulo, Brazil Jessica De Freitas Delgado, Valquiria Maria de Carvalho Aguiar, Leonardo da Silva Lima, José Antônio Baptista Neto, Estefan Monteiro da Fonseca - Show less +4 more 03 Jul 2023-Soil & Sediment Contamination	Commonly used guidelines for sediment quality assessment in coastal areas include contamination (mCd), ecological (PEI, SQG-Q, PLI), and geoaccumulation (Igeo) indices, as highlighted in the study on Santos Estuarine Channel.
Open access•Posted Content•DOI Sediment Quality Assessment in an industrialized Greek coastal marine area (West Saronikos Gulf) 21 Jun 2022	Commonly used guidelines for sediment quality assessment in coastal areas include Enrichment Factors (EFs) normalized to Al, Effects Range Median (ERM), and mean effects range medium quotient (mERMq).
Open access•Journal Article•DOI Assessment of marine sediments quality of El-Dabaa area, northwestern Mediterranean coast of Egypt Shaimaa M. Magdy et al. 01 Nov 2022-Egyptian journal of aquatic biology and fisheries	Commonly used guidelines for sediment quality assessment in coastal areas include analyzing heavy metal concentrations, applying contamination factor indices, and conducting geochemical analysis to determine contamination levels.
Open access•Journal Article•DOI Geochemical Assessment of Heavy Metal Contamination in Coastal Sediment Cores from Usukan Beach, Kota Belud, Sabah, Malaysia Sharain Liew Yen Ling, A W Junaidi, A. Mohd Harun, Moustafa El Baba - Show less +3 more 01 Aug 2022-Journal of Physics: Conference Series 1 Citations	Sediment quality assessment in coastal areas commonly uses guidelines such as geoaccumulation index (Igeo), enrichment factor (EF), contamination factor (CF), modified degree of contamination (mCd), and pollution load index (PLI).
Open access•Journal Article•DOI Sediment quality assessment in an industrialized Greek coastal marine area (western Saronikos Gulf) G. Filippi, Manos Dassenakis, Vasiliki Paraskevopoulou, Konstantinos Lazogiannis - Show less +3 more 12 Jan 2023-Biogeosciences	Commonly used guidelines for sediment quality assessment in coastal areas include measuring metal concentrations, total organic carbon, carbonate content, grain size, and using enrichment factors to evaluate pollution levels.

My columns

Related Questions

What makes an area a coastal site?4 answersCoastal sites are characterized by dynamic landscapes influenced by waves, sea level changes, and human activities. These areas often exhibit features like beachrock formations, dune fields, and sediment deposits that provide insights into their evolution. Coastal locations are subject to interactions between waves and currents, impacting sediment transport, bedform development, and temperature variations. Furthermore, the presence of safety barriers like mechanical stability, favorable geochemical conditions, and low groundwater flux is crucial for coastal radioactive waste repositories. Human activities in coastal regions can lead to contamination and habitat degradation, necessitating environmental remediation efforts to mitigate risks to both the environment and human health. Overall, a combination of geological, environmental, and anthropogenic factors defines an area as a coastal site.

What are the current sediment quality guidelines in China?5 answersThe current sediment quality guidelines in China are based on studies conducted in various regions. Research on Poyang Lake in China assessed the toxic effects of Cu, Cd, Zn, and Pb on local species, deriving Criteria Continuous Concentration (CCC) and Criteria Maximum Concentration (CMC) values for these metals. Additionally, studies on the Three Gorges Reservoir highlighted contamination by Cu, Cd, Pb, Cr, and phosphorus in the water-level-fluctuation-zone, emphasizing the importance of evaluating sediment quality to understand human impacts on sediment geochemistry. Furthermore, investigations in eastern China revealed severe pollution by nutrients like total phosphorus (TP) and total nitrogen (TN) in freshwater sediments, indicating the urgent need for attention to sediment quality in this region. These studies collectively contribute to the establishment of sediment quality guidelines in China.

Sediment Quality Guidelines used bu different countries and agencies?5 answersSediment Quality Guidelines vary widely across nations and agencies, with different approaches to derivation and application. While the United States, the European Union, Canada, and Australia/New Zealand have independently developed guideline values, there is a growing desire for harmonization in derivation protocols. The US EPA is revising its water quality criteria derivation method, aiming to incorporate advancements and align with global standards. Challenges exist due to differing regulatory contexts, such as legal limits in some regions versus non-legally binding guidelines in others. Harmonizing derivation methods is a more feasible goal than standardizing terminology for "safe concentrations" across jurisdictions. The shared toxicity database concept is crucial for cost-effective and consistent guideline development, ensuring applicability across countries.

How to determine the direction of sediment transport at coastal area ?5 answersTo determine the direction of sediment transport at a coastal area, various methods and models are utilized. Hydrodynamic models like MIKE21 Software are employed to study sediment properties and transport patterns. Additionally, the change in shoreline and longshore sediment transport (LST) are crucial factors in understanding sediment movement along the coast. Sediment transport can be influenced by hydro-oceanographic factors such as waves, currents, and tides, which interact directly with the coastal area. Monitoring sediment movements through field measurements and numerical models, validated by methods like radionuclide tracers, helps in determining the accurate direction of sediment transport. By integrating data from various sediment transport formulae and wave models, seasonal variability and predominant directions of sediment movement can be identified, aiding in coastal planning and structure design.

What are the best methods for assessing soil quality?5 answersThe best methods for assessing soil quality include the use of soil quality indices (SQIs) and factor analysis (FA). SQIs are calculated using principal component analysis (PCA) and can effectively distinguish between different land uses based on soil attributes. FA, combined with indicator selection methods such as standard scoring functions, can identify the most relevant soil quality indicators. Additionally, geospatial techniques, such as satellite remote sensing data and digital elevation models (DEMs), can be used to map soils and evaluate soil quality. Sensor technology, particularly Internet of Things (IoT) based sensors, can provide efficient and quick results for soil quality monitoring. Overall, a combination of PCA, FA, geospatial techniques, and sensor technology can provide accurate and precise methods for assessing soil quality.

How can the mean sediment quality guideline quotients be used to improve the management of water quality?5 answersMean sediment quality guideline quotients (mSQGQs) can be used to improve the management of water quality by providing a method to assess the relationship between chemical contamination and adverse biological effects in sediments. By calculating the mSQGQs, which divide the concentrations of chemicals in sediments by their respective sediment quality guidelines, an index is obtained that accounts for the presence and concentrations of multiple chemicals relative to their effects-based guidelines. Analyses have shown that toxicity in laboratory tests and impairment to benthic communities increase with increasing mSQGQs, allowing for the estimation of toxicological risks associated with exposure to contaminated sediments. The use of mSQGQs, along with other measures such as toxicity tests and benthic community surveys, can provide a weight of evidence when assessing the relative quality of contaminated sediments. This information can aid in the identification of areas requiring further action to assess and improve water quality.

See what other people are reading

What is a purpose of a development wellbore?

The purpose of a development wellbore is multifaceted. It involves processes like cleaning out clay and silt, enhancing water flow efficiency, and optimizing oil production while minimizing operational costs. Understanding fluid flow behavior from reservoir to wellbore is crucial for performance enhancement and safety in oil and gas industries. Development wellbores under dynamic conditions require a deep understanding of interconnected parameters like temperature, pressure, and flow regime, necessitating reliable numerical tools for process quantification and optimization. Methods like obtaining samples during drilling operations, testing parameters, and adjusting development operations based on measurements contribute to the efficient development of wellbores. Overall, the development of a wellbore aims to maximize productivity, optimize resource extraction, and ensure operational efficiency in various industries.How is climate change impacting penaeid distribution?

Climate change is significantly impacting penaeid distribution. Studies show that environmental factors like temperature, salinity, wind stress, and climate indices play a crucial role in determining the abundance and distribution of penaeid shrimp species such as white, brown, and pink shrimp. Additionally, climate change scenarios predict potential shifts in the distribution areas of tree species like Cunninghamia lanceolata due to changing climate conditions, indicating a significant impact on habitat suitability and range. Furthermore, research on pine forests in South Korea highlights the influence of climate change on pine forest distribution, with precipitation changes affecting distribution more than temperature variations, leading to potential reductions in suitable areas for pine forests. These findings collectively emphasize the intricate relationship between climate change and the distribution patterns of various species, including penaeid shrimp.What is the concentration found in water of tetracyclines, macrolides, quinolones and sulfonamides?

The concentrations of antibiotics in water vary significantly. Studies have reported concentrations of tetracyclines, macrolides, quinolones, and sulfonamides in the aquatic environment. Tetracyclines were found to reach up to 1500 ng/L, while quinolones were dominant in various sources, contributing over 50% with concentrations reaching 2900 ng/L. Macrolides had minor contributions, and their concentrations were reported to be as high as 9700 ng/L. Sulfonamides, on the other hand, were detected with concentrations ranging from 401 to 7994 ng/L in municipal wastewater treatment plants and up to 39,195 ng/L in raw sewage from swine farms. These findings highlight the presence of these antibiotics in water bodies and the need for monitoring and management strategies to mitigate their environmental impact.Which Indian rivers hace PFASs distrubution?

Periyar River in South India and rivers within the Indus Drainage System in Pakistan have been identified with the distribution of Perfluoroalkyl and polyfluoroalkyl substances (PFASs). Additionally, a nationwide study in India revealed the presence of PFASs in road dust samples collected from various regions, with higher concentrations found in South India compared to other areas. The lack of environmental quality standards in India has led to limited studies on PFASs, emphasizing the urgent need for comprehensive research on the occurrence and impact of these persistent organic pollutants in different environmental matrices. The data underscores the significance of monitoring and addressing PFAS contamination in Indian rivers to safeguard human health and ecological well-being.What are recent advances in monitoring for CSO events in the environement?

Recent advances in monitoring for Combined Sewer Overflow (CSO) events in the environment include the utilization of various sewage markers, pharmaceuticals, and personal care products (PPCPs) to evaluate fecal contamination levels in water bodies. Additionally, the integration of artificial intelligence (AI) with Industrial Internet of Things (IIoT) frameworks enables real-time processing of massive IIoT data for smart city monitoring, allowing for the automatic categorization of events and objects captured from IIoT data. Moreover, the development of a complex event processing (CEP) engine facilitates real-time anomaly detection in environmental monitoring systems, enhancing the ability to ingest heterogeneous datastreams with scalable performance. These advancements in monitoring technologies contribute to more efficient and effective detection and management of CSO events, ultimately aiding in maintaining environmental quality and public health.What are recent studies in monitoring for CSO events using chemical contamination in the environement?

Recent studies have focused on monitoring combined sewer overflow (CSO) events using chemical contamination in the environment. One study monitored surface water quality in the Sumida river estuary of Tokyo bay after rainfall events, identifying high concentrations of sewage markers like Escherichia coli and pharmaceuticals. Another study developed a living bioelectronic sensor platform using synthetic biology and materials engineering to detect chemicals in riverine water rapidly, showcasing the potential for minute detection times in environmental monitoring. Additionally, research has explored monitoring toxic substance pollution in chemical plants through big data technology, emphasizing the importance of intelligent monitoring systems for harmful gases in chemical production processes to ensure safe operations and increase efficiency in chemical companies.What are the problems of habitat destruction in fisheries?

Habitat destruction in fisheries poses significant challenges, impacting both fish stocks and the ecosystems they rely on. Destructive fishing practices can lead to irreversible habitat loss, hindering fish stock regeneration and sustainability. The use of various fishing gears, such as fish traps and gill nets, can directly damage habitats, affecting the stability and sustainability of fish resources. Additionally, the loss of intertidal habitats in estuaries due to environmental fluctuations and human activities has been substantial, affecting the nursery and feeding grounds of economically important fish species. Incorporating habitat considerations into fisheries management is crucial, as neglecting these impacts can lead to detrimental consequences for both fish stocks and the stakeholders involved in the fishery industry.What are the most common contaminants in estuaries?

Estuaries commonly harbor a variety of contaminants originating from diverse sources, with organic contaminants of emerging concern (OCECs) being prevalent. These OCECs include per- and polyfluoroalkyl substances, alternative flame retardants, organophosphate esters, chlorinated paraffins, ionic surfactants, phthalate alternatives, polyhalogenated carbazoles, synthetic antioxidants, and bisphenol A alternatives. Additionally, heavy metals like Cu, Zn, Ni, As, Cr, and Pb have been found in high concentrations in estuarine sediments, potentially linked to industrial contamination and non-point sources. Furthermore, microplastics, pharmaceuticals, and endocrine-disrupting chemicals are emerging pollutants of concern in estuarine environments, posing risks to both ecosystems and human health. The presence of these contaminants underscores the importance of ongoing research to understand their behavior, effects, and mitigation strategies in estuarine systems.What soils have better water retention?

Soils treated with various organic and inorganic soil amendments exhibit improved water retention capacities. Biopolymers like xanthan gum, gellan gum, and guar gum enhance water retention in soils, promoting vegetation growth. Biochar derived from sewage sludge, sugarcane, and green coconut also increases water holding capacity in sandy soils, benefiting soil dynamics across different textures. Additionally, the use of soil amendments such as bentonite, attapulgite, biochar, superabsorbent polymers, and nonwoven geotextiles, including the water absorbing geocomposite (WAG), significantly enhances soil moisture content and water holding capacity. Furthermore, techniques involving fine-grained minerals and undisturbed soil blocks coated with paraffin wax aid in determining consistent water retention curves for stony soils with coarse particles, showcasing improved hydraulic properties. Overall, these amendments and techniques contribute to better water retention in various soil types, supporting sustainable agriculture and environmental conservation efforts.What factors contribute to the abundance of waders and waterfowls in different ecosystems?

The abundance of waders and waterfowls in various ecosystems is influenced by a combination of environmental factors. Factors such as sediment morphology, sea level rise, and tidal currents impact the abundance of waders in coastal areas like the Wadden Sea. Additionally, in wetland ecosystems like Lake Okeechobee, Florida, water-level regulations, habitat availability, and water-level recession rates play crucial roles in determining the nest abundance of wading birds like great egrets, snowy egrets, and white ibis. Furthermore, in areas like Guangdong, China, the presence of mangroves, tidal flats, and water bodies are key drivers affecting the abundance of different waterbird species, with negative impacts observed from factors like road length and construction land areas. These findings highlight the complex interplay of environmental variables in shaping the abundance of waders and waterfowls across diverse ecosystems.What is the connection between TDS with water quality?

Total Dissolved Solids (TDS) play a crucial role in determining water quality. TDS levels in water bodies are influenced by various factors such as geogenic and anthropogenic contaminations, including organic and inorganic components, heavy metals, salts, and other dissolved substances. High TDS concentrations can have detrimental effects on human health, causing gastrointestinal, cardiovascular, respiratory, and skin issues. Additionally, elevated TDS levels can lead to scaling in household appliances, reducing their efficiency. Studies have shown correlations between TDS and other parameters like Oxidative Reductive Potential (ORP), turbidity, nitrate, ammonium, water depth, and water current, impacting water quality in estuaries. Models like Gaussian Process Regression (GPR) have been utilized to predict TDS values based on anions and cations, showcasing the importance of monitoring TDS for assessing water quality.