water pollution monitoring Articles
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Levels of cadmium, manganese and lead in water and algae; Spirogyra aequinoctialis
This study assessed the ability of filamentous green algae; Spirogyra aequinoctialis to accumulate manganese, cadmium and lead from water. Water pH was also determined. Samples of S. aequinoctialis and their respective water environments were taken from designated sampling points in the city of Blantyre and Malawi during the rainy and dry season in order to capture seasonal variations. The ...
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Using PRTR database for the assessment of surface water risk and improvement of monitoring in Japan
In April 2003, the first PRTR (Pollutant Release and Transfer Register) was published in Japan. It is shown how the PRTR can be used to improve environmental risk assessment with the objective of reducing risk to ecosystem integrity and human health. By examining the superposition of all chemical releases into rivers, high levels of several contaminants are uncovered. Most of these chemicals have ...
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Remote monitoring of groundwater pollution using geo-electric techniques in undulating sandy terrain, Western Australia
Early-time transient electromagnetic sounding (TEM) and DC resistivity sounding techniques have been used to monitor remotely the changes with time of a groundwater pollution plume at a test site on a sand aquifer. A range of techniques for interpretation of TEM sounding data have been evaluated. All of these were successful in identifying expansion of the plume. The most plausible interpretation ...
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A statistical approach applied to trace metal data from biomonitoring studies
This work underlines the importance of the statistical procedures necessary for the significant assessment of analytical data of heavy metals derived from marine organisms (biomonitors) collected at five stations in Ustica at the Southern Tyrrhenian Sea. The statistical method described indicates that, where the differences among the averages of Pb, Cu and Zn concentrations in the molluscs of the ...
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Oil pollution in the Caspian Sea coastal waters
The study aims to investigate hydrocarbon and pollutant concentrations in the southern coastal waters of the Caspian Sea to trace their origins and nature, including the effect of the beach materials on hydrocarbons for 11 sites in Golestan, Mazandaran, and Guilan provinces. Samples were collected from sandy and rocky sites for gas chromatography in five carbon ranges of gasoline, diesel oil, ...
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Seasonal water quality vs. flow relationships in a small regulated stream
The relationship of a water quality constituent with respect to flow measured at a stream monitoring station can give valuable information about the watershed and in-stream processes about the constituent in question. Seasonal dependency patterns often reveal relationships which would be unnoticed if all data are treated together. The aim of this study is to examine water quality constituent ...
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Analysis of the heavy metal pollutants in sediment samples collected from Thane Creek of Maharashtra, India
The wetland of Thane Creek, located at Thane, Mumbai, India, has attracted much attention of environmental biologists over the last few decades, as this creek has been subjected to a lot of pollution from the Asia's biggest Thane–Belapur industrial complex located at the south of Mumbai harbour along the west coast of India. This paper advocates ecological studies with special reference to the ...
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Evaluation of regional groundwater quality using PCA and geostatistics in the urban coastal aquifer, East Coast of India
A systematic groundwater quality-monitoring program was conducted, and a total of 201 groundwater samples were collected. Multivariate and geostatistical techniques were employed to investigate major contamination types and its spatial characteristics in the study area. Principal Component Analysis (PCA) reveals that salinity (Factor 1) and nutrient (Factor 2) are very predominant contaminants in ...
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Wastewater Monitoring in Akouedo/Abidjan, Cote d´ Ivoire with Gaiasafe Passive Collectors (PC)
Abstract Contamination load and distribution of contaminants is shown. Gaiasafe Passive Collectors have been used successfully to determine single compounds out of the contamination load. Furthermore the spreading and biodegradation of contaminants was monitored over a large area in Abidjan. Only a few days after the dumping the chemical waste from Probo Koala was detected in the surface water, ...
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A study towards implementation of a standalone environmental monitoring device
Environment is an issue of major concern all round the world. Protection of environmental resources such as groundwater or marine environment from contamination became an issue of high priority, which requires special consideration. In order to protect the shores water used in desalination and groundwater from various contaminants that may leak from industrial and ship activities, a remote ...
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Application of an artificial neural network in wastewater quality monitoring: prediction of water quality index
Water bodies have become more and more polluted owing to discharge of industrial waste. Therefore, it has been the chief concern of scientists, engineers and ecologists to decrease the water pollution level around the globe to maintain living viability and ecological balance. In this paper, the seasonal and positional variation of wastewater parameters in a natural flowing stream has been ...
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Land use patterns and organic pollution in the rivers
The riverine system is an important resource of water supply to the communities but rivers are being contaminated due to organic pollutants, which is a serious problem. Organic contamination has been discussed with regard to the different rivers of the world. Various organic pollutants, detected in water and the sediment of the rivers, have been reported. The effects of different land use ...
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Study of physico-chemical quality of the industrial waste water effluent from Gove industrial area of Bhiwandi City of Maharashtra, India
This paper advocates water pollution study of Gove industrial area of Maharashtra, India with special reference to the physico-chemical characteristics of common industrial waste water effluent. The physico-chemical parameters like temperature, pH, solid content, total hardness, chloride content, dissolved oxygen (DO), biological oxygen demand (BOD) and chemical oxygen demand (COD) were studied ...
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PolluDet research project - Case Study
The main goal of this project funded by the Italian regional Government is to develop and test prototype analyzers for routine laboratory use and for on-line application to measure algal toxins in fresh and coastal water. An automated method for the quantitative detection of micrcystins in surface water, to be applied in the above mentioned prototype analyzers in under ...
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Pollutant Monitoring in Rivers
Water pollution occurs when harmful substances such as microorganisms or chemicals contaminate a body of water. In the UK, a recent parliamentary report has found that the UK’s rivers have been highly polluted by raw sewage, slurry, and microplastics. The pollution comes from many sources, with agriculture and water companies being the biggest contributors. Here we will outline some of the ...
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How the Portable Quadrupole Analyser (pQA) Can Be Used in Climate Change Studies
Climate change studies have been increasingly common and important in recent years. The impact of human activities on the environment, global warming, and sea level rises have been well documented and debated, and whilst we have gained a deeper understanding of these issues in recent years, there is still so much more to learn. In this article, we discuss how the pQA from Hiden Analytical can be ...
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Determination of Perfluorinated Compounds (PFCs) in Soil and Sewage Sludge using the SpeedExtractor E-916
Perfluorinated Compounds (PFCs) are fluorocarbons used in many commercial and domestic applications. They make materials stain, oil, and water resistant. They are persitent pollutants and are therefore monitored worldwide. Twelve PFC congeners were extracted from soil and sewage sludge samples using the SpeedExtractor E-916 and an ASE 200 system (Dionex). The PFC congeners were analyzed by ...
By BUCHI
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The sewer system, an undervalued place, that we depend on every day
How Digitizing the Sewer supports Climate Change A good infrastructure, such as our sewer system, is essential for a vital, viable, sustainable and social development of a country’s economy. Not only does it play an important role in sanitation and disease prevention, but the sewer system also plays a crucial role in the sustainability of our planet and the future of our generations . Due ...
By KANDO
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Optimisation approach for pollution source identification in groundwater: an overview
Groundwater pollution occurs from different anthropogenic sources like leakage from Underground Storage Tanks (USTs) and depositories, leakage from hazardous waste dump sites and soak pits. Remediation of these contaminated sites requires optimal decision-making system so that the remediation is done in a cost-effective and efficient manner. Identification of unknown pollution sources plays an ...
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Diatoms for assessing the ecological condition of inland freshwater bodies
The ecological responses of diatoms to pollution and nutrient enrichment, caused by domestic and municipal sewage, in the five fresh water ponds have been examined. It was observed that diatoms were completely absent in P3 and some species were also absent in P1 and P2. Similarly, diatom diversity was lower in P1 and P2 than in P4 and P5. However, diatom abundance was higher in P4. The Biological ...
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