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Journal articles on the topic 'Deteriorating water quality'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Tundisi, J. G., T. Matsumura-Tundisi, V. S. Ciminelli, and F. A. Barbosa. "Water availability, water quality water governance: the future ahead." Proceedings of the International Association of Hydrological Sciences 366 (April 10, 2015): 75–79. http://dx.doi.org/10.5194/piahs-366-75-2015.

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Abstract. The major challenge for achieving a sustainable future for water resources and water security is the integration of water availability, water quality and water governance. Water is unevenly distributed on Planet Earth and these disparities are cause of several economic, ecological and social differences in the societies of many countries and regions. As a consequence of human misuse, growth of urbanization and soil degradation, water quality is deteriorating continuously. Key components for the maintenance of water quantity and water quality are the vegetation cover of watersheds, re

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Li, Ji, Yaru Wang, Shenglan Li, Liping Fang, Guangcheng Hou, and Baoyou Shi. "Water quality deterioration of treated oilfield injection water in the water distribution system of the Jianghan oilfield." Water Supply 19, no. 2 (2018): 519–26. http://dx.doi.org/10.2166/ws.2018.097.

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Abstract The deterioration of treated oilfield injection water quality in the distribution system has become a common issue that hinders the application of oilfield wastewater as a reusable source for oil production. Hereby, this work devotes to monitoring treated water parameters and the formation of pipe scales in the whole distribution system in Jianghan oilfield. Our results showed that the cause of water deterioration in the distribution system is due to the increased suspended solids. Coupon tests indicated that the rates of pipe corrosion and scale formation significantly increased, whi

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3

Majeed, Zunaira, Saima Manzoor, and Rana Muhammad Kamran Shabbir. "Deteriorating Health Conditions by Effects of Water Quality in Pakistan." Human Nature Journal of Social Sciences 3, no. 4 (2022): 134–46. https://doi.org/10.71016/hnjss/22cg3t92.

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Aim of the Study: Drinking water quality is deteriorating due to major urbanization patterns and the rapid explosion of the population taking place in Pakistan. This article addressed the various problems of quality water associated with provinces and cities. The article seek some logical grounds of quantity trigger the issue of quality water production in Pakistan it is estimated Only 20% of Pakistan's population can access to fresh water for drinking. while the other 80% are prone to use unhealthy contaminated water due to scarcity of water (Daud, 2017). Methodology: Current research study a

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To, Thuy Chau. "WATER QUALITY ASSESSMENT OF SAIGON RIVER FOR PUBLIC WATER SUPPLY BASED ON WATER QUALITY INDEX." Vietnam Journal of Science and Technology 58, no. 5A (2020): 85. http://dx.doi.org/10.15625/2525-2518/58/5a/15203.

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Water Quality Index (WQI) is a dimensional number that aggregates information from many water quality parameters according to a defined method. WQI is accepted as an efficient tool for water quality management. In this study, WQI of Saigon river for public water supply was calculated from nine water quality parameters including pH, suspended solids (SS), dissolved oxygen (DO), chemical oxygen demand (COD), nitrite, ammonia, phosphate, total dissolved iron and total coliform based on water quality data obtained monthly from January 2016 to December 2019 at three sampling sites. The results show

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Roman, Liliana. "Water Quality Monitoring in Valea Jiului." Mining Revue 28, no. 1 (2022): 50–65. http://dx.doi.org/10.2478/minrv-2022-0005.

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Abstract The paper presents the monitoring of the water quality in Valea Jiului, related to the Jiu river basin. In the increasingly alert conditions of urbanization and industrialization, contemporary civilization is characterized by a worrying process of deteriorating the ecological balance and pollution of water resources. Monitoring allows the achievement of four primary objectives in knowing the state of water quality, namely: monitoring, forecasting, warning and intervention. The paper presents the objectives of water quality monitoring, aspects related to the implementation of water mon

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Kaur, Dr Jasdeep. "Water Quality and Water Borne Diseases in India: A Review." Indian Journal of Social Science and Literature 2, no. 4 (2023): 5–10. http://dx.doi.org/10.54105/ijssl.d1062.062423.

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Climate change is impacting seriously human lives and human health in varied ways. Environmental pollution like air and water pollution are taking heavy toll on human beings. The increasing demand of water lead to its over exploitation and pollution and inefficient water use policies and methods are due to unchecked population growth and expansion of economic activities. Water quality problems are increasing and so are the water borne diseases. Various laws, policies and programmes are started by governments but the quality of water is deteriorating day by day.

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Dr., Jasdeep Kaur. "Water Quality and Water Borne Diseases in India: A Review." Indian Journal of Social Science and Literature (IJSSL) 2, no. 4 (2023): 5–10. https://doi.org/10.54105/ijssl.D1062.062423.

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<strong>Abstract: </strong>Climate change is impacting seriously human lives and human health in varied ways. Environmental pollution like air and water pollution are taking heavy toll on human beings. The increasing demand of water lead to its over exploitation and pollution and inefficient water use policies and methods are due to unchecked population growth and expansion of economic activities. Water quality problems are increasing and so are the water borne diseases. Various laws, policies and programmes are started by governments but the quality of water is deteriorating day by day.

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8

Dereje Kitila, Chali. "Water quality deterioration modeling in aged distribution mains: A case study in Addis Ababa, Ethiopia." Environmental Health Engineering and Management 11, no. 2 (2024): 127–35. http://dx.doi.org/10.34172/ehem.2024.13.

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Background: Water quality deterioration is becoming a serious challenge for water utility corporations supplying treated water through the use of a centralized distribution system. After water leaves the treatment plant and enters the distribution system, it is subjected to numerous complex physical, chemical, and biological changes. This study aimed to investigate the major physical factors deteriorating water quality in an aged distribution system. Methods: Deterioration modeling was undertaken using an EPANET computer program. For model calibration processes, data collected from field measu

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Wang, G. S., and H. W. Chen. "Water quality deterioration after roof-top storage: implications on their maintenance and management." Water Supply 6, no. 2 (2006): 39–45. http://dx.doi.org/10.2166/ws.2006.046.

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This study analyzed 323 water samples from 178 buildings in Taipei, Taichung and Kaoshiung cities to evaluate the water quality deterioration after roof-top storage. Water quality in distribution systems, household intake tanks (point-of-entry) and the tap (point-of-use) were compared. It was observed that chlorine decay is the major factor in deteriorating the water quality after storage. Relatively high water temperature and the presence of higher organic/inorganic impurities are the main reasons that cause the large chlorine decay in Kaoshiung. Most of the microbial regrowth was observed in

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Serder, M. F., M. S. Islam, M. R. Hasan, M. S. Yeasmin, and M. G. Mostafa. "Assessment of coastal surface water quality for irrigation purpose." Water Practice and Technology 15, no. 4 (2020): 960–72. http://dx.doi.org/10.2166/wpt.2020.070.

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Abstract The study aimed to assess the coastal surface water quality for irrigation purposes through the analysis of the water samples of some selected estuaries, rivers, and ponds. The analysis results showed that the mean value of typical water quality parameters like electrical conductivity (EC), total dissolved solids (TDS), sodium (Na+), and chloride (Cl−) ions exceeded the permissible limit of the Department of Environment (DoE), Bangladesh 2010, and FAO, 1985 for the pre- and post-monsoon seasons. The Piper diagram indicated a Na-Cl water type, especially during the pre- and post-monsoo

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Rukshar, Anil Dutt Vyas, and Nitu Bhatnagar. "Assessing the deteriorating water quality in wards of Jaipur city through GIS interpolation." AQUA — Water Infrastructure, Ecosystems and Society 72, no. 4 (2023): 425–37. http://dx.doi.org/10.2166/aqua.2023.090.

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Abstract Poor management of water sources is one of the major challenge for developing nations to provide safe water to increasing population. The Central Ground Water Board, India 2019 reports that all 13 zones of Jaipur city are in the dark zone. Dark zones are those area where the ground water exploitation is extremely high and are notified for protection by the State Government. With a population of 4.1 million, Jaipur city has a water demand deficit of around 125 MLD with dependence on ground water is increasing tremendously. The city's water table has gone down 25 metres in the last deca

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Ghaffar, Abdul, Tehmina Tariq, Azhar Mashiatullah, and Syeda Maria Ali. "Hydrological and environment tritium investigation to evaluate groundwater in capital territory of Pakistan." Water Supply 17, no. 2 (2016): 433–51. http://dx.doi.org/10.2166/ws.2016.149.

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The capital territory of Pakistan constitutes twin cities, Islamabad and Rawalpindi. Islamabad is the capital city, located at the foot of the Margallah Hills, whereas Rawalpindi lies in the Potohar Plateau. Both cities are located in the semi-arid region of Pakistan, where the residents meet their basic need of water through groundwater resources. For the last many years, the quantity and quality of groundwater in these cities has been deteriorating very rapidly. In this study, the foremost recharge source for these cities was identified using tritium and major ion chemistry, and different ph

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Sadiq, Q., C. K. Ezeamaka, M. G. Daful, and I. A. Mustafa. "Evaluation of the Water Quality of River Kaduna, Nigeria Using Water Quality Index." Environmental Technology and Science Journal 13, no. 1 (2022): 28–40. http://dx.doi.org/10.4314/etsj.v13i1.3.

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Water is a natural resource of fundamental importance and supports all life forms. The study evaluated the water quality of River Kaduna using the Canadian Council of Ministers of the Environment (CCME) Water Quality Index. The study covered both raining and dry seasons in 10 sampling points. Water parameters analysed were turbidity, Zn, Pb, Cd, Cr, Cu, Mn, Fe, dissolved oxygen, electrical conductivity, pH, TDS and Ni using standard laboratory techniques. The data obtained were used to develop Water Quality Index (WQI) across the 10 sampling points and results showed that the water quality at

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Mohiyaden, HA, LM Sidek, G. Hayder, and MN Noh. "Water Quality Assessment Klang River Water Treatment Plants." International Journal of Engineering & Technology 7, no. 4.35 (2018): 639. http://dx.doi.org/10.14419/ijet.v7i4.35.23075.

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The quality of Klang river water is deteriorating dramatically since it is in urban places every day and become one of the major problems. Therefore, the Malaysian government had initiated one river cleaning project named River of Life (ROL) project. This project is for rehabilitating and restoring the Klang river. A series of river water treatment plant (RWTP)s have been operated in Klang river catchment since 2014. Six RWTPs station has been monitored up to eight stations until presents. Eight parameters consisting of physio-chemical types and biological types have been recorded. RWTP efflue

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Li, Na, Yong-Wang Liu, Xing Li, Xiao-Yan Fan, Nan Wang, and Li Zhao. "Comprehensive Control of Water Quality Deterioration in Building Water Supply Systems: A Review on Configuration, Purification and Regulation." Water 16, no. 21 (2024): 3132. http://dx.doi.org/10.3390/w16213132.

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The overall goal of urban water supply is to ensure the water quality from source to tap. As the “last mile”, the building water supply system (BWSS) is the crucial part in ensuring tap water safety, and its deteriorating water quality has attracted increasing attention. In this work, we provide a comprehensive overview of the pollution, configuration, purification and regulation of BWSSs, with a focus on ensuring water quality safety. Periodic water usage in buildings is a unique feature that leads to intermittent water stagnation and reduced residual chlorine. Biological pollution has become

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16

Bwapwa, Joseph Kapuku. "Review on Main Issues Causing Deterioration of Water Quality and Water Scarcity: Case Study of South Africa." Environmental Management and Sustainable Development 7, no. 3 (2018): 14. http://dx.doi.org/10.5296/emsd.v7i3.13156.

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Water shortage in South Africa is a mixture of many factors: limited and highly polluted watercourses, low rainfall, fast growing population and high evaporation rates. Many studies on watercourses have shown a decline on quality due to the ongoing pollution caused by urbanization, mining, industry, power generation, afforestation and agriculture. Given the current forecasts based on population growth versus the country’s limited water resources, it is unlikely to keep existing patterns regarding the use of water and the discharge of wastes. Predictions are also indicating that pollutants will

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17

Kongprajug, Akechai, Namfon Booncharoen, Kanyaluck Jantakee, Natcha Chyerochana, Skorn Mongkolsuk, and Kwanrawee Sirikanchana. "Sewage-specific enterococcal bacteriophages and multiple water quality parameters for coastal water quality assessment." Water Science and Technology 79, no. 5 (2018): 799–807. http://dx.doi.org/10.2166/wst.2018.460.

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Abstract Coastal water quality is deteriorating worldwide. Water quality monitoring is therefore essential for public health risk evaluation and the management of water bodies. This study investigated the feasibility of using bacteriophages of Enterococcus faecalis as sewage-specific faecal indicators, together with physicochemical (dissolved oxygen, pH, temperature and total suspended solids) and biological parameters, to assess coastal water quality using multivariate analysis incorporating non-detects. The principal component and cluster analyses demonstrated that coastal water quality was

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18

Goswami, Ghritartha, Sameer Mandal, Sudip Basack, Rishika Mukherjee, and Moses Karakouzian. "Assessing the Impacts of Land Use and Land Cover Changes on the Water Quality of River Hooghly, West Bengal, India: A Case Study." Hydrology 10, no. 3 (2023): 71. http://dx.doi.org/10.3390/hydrology10030071.

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Rivers are crucial components of human civilization, as they provide water for domestic, agricultural, and industrial use. Additionally, they transport domestic and industrial waste to the sea. The Ganga River is a major river in India, originating from Gangotri in the north, flowing through five provinces, and discharging into the Bay of Bengal. This study examined the impact of land use and land cover changes (LULC) on water quality along the River Hooghly in India. The research involved collecting water samples from different locations and analyzing them in the laboratory to estimate variou

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Agustiansyah, Agustiansyah, P. B. Timotiwu, E. Pramono, and M. Maryeta. "Effect of Priming on Vigor of Germinated Chili (Capsicum annum L.) Seeds in Aluminium Stress Conditions." Jurnal Penelitian Pertanian Terapan 21, no. 3 (2021): 204–11. http://dx.doi.org/10.25181/jppt.v21i3.2133.

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Seed germination in ultisol is a problem. Ultisol has a low pH, poor in nutrients and organic matter, and high Al content. The low physiological quality of seeds is also a limiting factor. The purpose of this study was to determine the effect of priming on the seed vigor of two chili varieties whose seeds have expired and have not expired. This experiment consisted of 2 experiments, namely Experiment 1, which used seeds that had expired (deteriorating), and Experiment II, which used seeds that had not expired (non-deteriorating). This study was structured using a completely randomized design (

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20

Xu, Zhihao, Ximing Cai, Xinan Yin, Meirong Su, Yiping Wu, and Zhifeng Yang. "Is water shortage risk decreased at the expense of deteriorating water quality in a large water supply reservoir?" Water Research 165 (November 2019): 114984. http://dx.doi.org/10.1016/j.watres.2019.114984.

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Prasad, D. Venkata Vara, Lokeswari Y.Venkataramana, and Rushitaa Duttulur. "Water Quality analysis of Well Water using Machine Learning Techniques." International Journal of Environmental Sciences 11, no. 5s (2025): 115–25. https://doi.org/10.64252/s5ewge38.

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Water quality is continuously deteriorating with the release of unprocessed industrial effluents, sewage, and wastewater from the households, agriculture runoff, and untreated wastewater has contaminated the water bodies like rivers, lakes, and ponds which in turn affects the groundwater. The quality of water is being affected by several parameters such as pollution, acid rain, and other chemicals from agriculture runoff which include fertilizers and pesticides which make the water toxic. The quality of water that is being taken has a direct effect on the health of a living organism, the consu

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Tarale, Aditya, Gaurav Dhole, Adarsh Tayde, Devesh Katlam, Chaitanya Bankar, and Prof Swapnil Bijwe. "A Review on Assessment of Ground Water Quality in Bhosari MIDC Area, Pune." International Journal for Research in Applied Science and Engineering Technology 10, no. 12 (2022): 599–602. http://dx.doi.org/10.22214/ijraset.2022.47921.

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Abstract: Water is finite and essential resource for survival but as time passes availability of water resources getting lesser and the water quality is deteriorating due to its over exploitation. Water Quality is essential parameter to be studied before supply to human being. For Rural and Urban areas, ground water is the major source from which 94% of drinking water demand is met. The primary goal of the study was to identify the ground water quality and analyze the sustainability for drinking purpose. For the purpose around sample are taken from open well, bore well, hand pump in Bhosari MI

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Jańczak, Jerzy, Wojciech Maślanka, and Kamil Nowiński. "Causes of polytrophism of three lakes in the Wdzydze Landscape Park." Limnological Review 11, no. 3 (2011): 97–103. http://dx.doi.org/10.2478/v10194-011-0031-3.

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Causes of polytrophism of three lakes in the Wdzydze Landscape ParkIn the lakes Cheb and Słupino, located in the Wdzydze Landscape Park the quality of waters has been deteriorating in recent years. In the hydrologic year 2009 the quality of water was examined three times. Monthly measurements on the lake inflows and outflows were carried out 12 times to determine biogenic loads. In 2010 the supplementary measurements of biogenic loads were taken in the streams five times. According to Vollenweider's criterion, the loads of nitrogen and phosphorus compounds are too big, the heaviest to Lake Che

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SINGH, LAISHRAM CHANDISHOR, BHARATI BHRAHMACHARIMAYUM, SANAMACHA MEETEI, KOIJAM KK MANI BHUSHAN SINGH, MD ZAHIR SHAH, and ONIL LAISHRAM. "WATER QUALITY ASSESSMENT OF KONGBA RIVER, MANIPUR, INDIA." Pollution Research 41, no. 04 (2022): 1261–67. http://dx.doi.org/10.53550/pr.2022.v41i04.019.

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A preliminary study on the physico-chemical parameters of Kongba River was carried out on the parameters like water temperature, total solids, total suspended solids, total dissolved solids, turbidity, conductivity, pH, free carbon dioxide, dissolved oxygen, biochemical oxygen demand, chemical oxygen demand, chloride, total hardness, calcium, magnesium, total alkalinity, sodium, potassium, sulphate and inorganic phosphate at seven selected sites. Site I,II,III and IV are river water, while site V, VI and VII are major drain water which joins and pollute the river system. Water Quality Index va

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van Vliet, H. R., S. J. Swart, and D. J. Roux. "National and regional surface water quality assessment in the Republic of South Africa." Water Science and Technology 30, no. 10 (1994): 25–35. http://dx.doi.org/10.2166/wst.1994.0508.

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Concern over the deteriorating quality of South African surface water resources in the past several decades has resulted in a number of fundamental changes in the approach to national water quality management, the most significant being a shift from a point-source control approach to a more complex and information-intensive receiving-water-quality based strategy. These changes highlighted the urgent need for a new focus on the development of a balanced and integrated strategy for the national and regional assessment of water quality and aquatic ecosystem health. An overview of the current deve

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Bhat, Salim Aijaz, Gowhar Meraj, Sayar Yaseen, and Ashok K. Pandit. "Statistical Assessment of Water Quality Parameters for Pollution Source Identification in Sukhnag Stream: An Inflow Stream of Lake Wular (Ramsar Site), Kashmir Himalaya." Journal of Ecosystems 2014 (January 20, 2014): 1–18. http://dx.doi.org/10.1155/2014/898054.

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The precursors of deterioration of immaculate Kashmir Himalaya water bodies are apparent. This study statistically analyzes the deteriorating water quality of the Sukhnag stream, one of the major inflow stream of Lake Wular. Statistical techniques, such as principal component analysis (PCA), regression analysis, and cluster analysis, were applied to 26 water quality parameters. PCA identified a reduced number of mean 2 varifactors, indicating that 96% of temporal and spatial changes affect the water quality in this stream. First factor from factor analysis explained 66% of the total variance b

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Guo, Yuchen, Chunhong Liu, Rongke Ye, and Qingling Duan. "Advances on Water Quality Detection by UV-Vis Spectroscopy." Applied Sciences 10, no. 19 (2020): 6874. http://dx.doi.org/10.3390/app10196874.

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Water resources are closely linked to human productivity and life. Owing to the deteriorating water resources environment, accurate and rapid determination of the main water quality parameters has become a current research hotspot. Ultraviolet-visible (UV-Vis) spectroscopy offers an effective tool for qualitative analysis and quantitative detection of contaminants in a water environment. In this review, the principle and application of UV-Vis technology in water quality detection were studied. The principle of UV-Vis spectroscopy for detecting water quality parameters and the method of modelin

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Xiao, Lele, Qianqian Zhang, Chao Niu, and Huiwei Wang. "Spatiotemporal Patterns in River Water Quality and Pollution Source Apportionment in the Arid Beichuan River Basin of Northwestern China Using Positive Matrix Factorization Receptor Modeling Techniques." International Journal of Environmental Research and Public Health 17, no. 14 (2020): 5015. http://dx.doi.org/10.3390/ijerph17145015.

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Deteriorating surface water quality has become an important environmental problem in China. In this study, river water quality was monitored in July (wet season) and October (dry season) 2019 at 26 sites, and a water quality index (WQI) and positive matrix factorization (PMF) model were used to assess surface water quality and identify pollution sources in the Beichuan River basin, Qinghai Province, China. The results showed that 53.85% and 76.92% of TN, 11.54% and 34.62% of TP, 65.38% and 76.92% of Fe, and 11.54% and 15.38% of Mn samples in the dry and wet seasons, respectively, exceeded the

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Srivastava, Pankaj, Anjali Burande, and Neeraja Sharma. "Fuzzy Environmental Model for Evaluating Water Quality of Sangam Zone during Maha Kumbh 2013." Applied Computational Intelligence and Soft Computing 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/265924.

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It is a well-known fact that water is the basic need of human beings. The industrial wastes nearby rivers and several anthropogenic activities are responsible for deteriorating water quality of rivers in India. The present research paper deals with the design and development of soft computing system to assess the water quality of rivers Ganga and Yamuna during the Maha Kumbh 2013 in and around Sangam Zone, Allahabad, by making use of physicochemical parameters relationship.

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Singh, Tej, and Hemant Pal. "Assessment of Seven Conventional Natural Drinking Water Sources in the Periphery of Chamba Town of Himachal Pradesh in India." Asian Journal of Water, Environment and Pollution 20, no. 1 (2023): 97–103. http://dx.doi.org/10.3233/ajw230013.

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Chamba town of Himachal Pradesh in India is renowned for its conventional natural underground drains, springs and well water sources known as Panihar, Nara and Boury in the local dialect. These are the major traditional freshwater sources for human consumption in the valley. Water is one of the most essential natural sources required for the survival of human beings. But the quality of water in these natural sources is deteriorating day by day due to the universal impact of climate change and the increasing pollutant load of unplanned human activities. The deterioration of natural water source

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Kelderman, P., and P. Batima. "Water quality assessment of rivers in Mongolia." Water Science and Technology 53, no. 10 (2006): 111–19. http://dx.doi.org/10.2166/wst.2006.304.

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A study was made on the water quality of the rivers in Mongolia over the years 1949–1990 for the three river basins in the country. In most of the 72 monitoring stations, the water quality is governed by geological and hydrological characteristics; bicarbonate and calcium are the most abundant major ions. No significant trends were observed between river discharges and total dissolved solids contents. The sediment yields (expressed in the run-off of total suspended solids, TSS) were always low, viz. between 0.02 and 20 × 103 kg TSS/km2.yr. In general, the rivers in Mongolia showed low pollutio

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McGarrity, Mason, and Feng Zhao. "Graphene-Based Chemiresistor Sensors for Drinking Water Quality Monitoring." Sensors 23, no. 24 (2023): 9828. http://dx.doi.org/10.3390/s23249828.

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Monitoring the quality of drinking water is a crucial responsibility for all water infrastructure networks, as it guarantees access to clean water for the communities they serve. With water infrastructure deteriorating due to age and neglect, drinking water violations are on the rise in the US, underscoring the need for improved monitoring capabilities. Among the different sensor technologies, graphene-based chemiresistors have emerged as a promising technology for water quality monitoring due to advantages such as simple design, sensitivity, and selectivity. This review paper provides an over

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Puri, Kavin. "Studies on Deteriorating Air Quality in some Major Cities of Punjab." Ecology, Environment and Conservation 28, no. 04 (2022): 1837–40. http://dx.doi.org/10.53550/eec.2022.v28i04.027.

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The current study assessed the air quality of area 3 most populated cities of Punjab- Ludhiana, Jalandhar and Amritsar. Air quality Index (AQI) parameters- PM2.5, PM10, O2, NO3, SO2, CO of recent 3 years (2021, 2020, 2019) of the 3 areas is studied. The highest annual average concentration of PM2.5 is found to be 163.5 μg/m³ in December 2021 at Ludhiana, while the lowest value found to be 55.2 μg/m³ in Jalandharin September, 2021. It is important to review the literature regarding pollution in India’s polluted areas. Air pollution significantly hurts soil and water resources. The findings of t

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BEQAJ, Blerina. "ASSESSING THE ENVIRONMENTAL IMPACT OF ROADWAY’S CONSTRUCTION ON ADJACENT WATER RESOURCES: A CASE STUDY OF THE SOUTHERN PART OF ALBANIA." Scientific Journal of Silesian University of Technology. Series Transport 114 (January 1, 2022): 5–13. http://dx.doi.org/10.20858/sjsutst.2022.114.1.

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Water is one of nature’s resources. As urbanisation grows, new roadways and highways are constructed for the transport sector and development. Due to roadway infrastructure, the development of the quality of surface water bodies in close proximity to roads is deteriorating and has become a major environmental challenge. Considered as one of the major nonpoint pollution sources, the construction of new roadways can have short and long-term effects on water quality conditions. This study revealed that road construction activities may be responsible for introducing pollutants in nearby water sour

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Mukesh Kumar. "Various types of problems arising due to the deteriorating quality of underground water and their solution." RESEARCH REVIEW International Journal of Multidisciplinary 8, no. 1 (2023): 97–105. http://dx.doi.org/10.31305/rrijm.2023.v08.n01.012.

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There is a total of 1,46,00,000 cubic kilometers of water present on the earth. Of this, 97 percent is in the oceans, which is of no use to us due to being salty, and 1.6 percent of the water is under the ground and 0.001 percent is in the form of vapor and clouds and other glaciers and snow covering mountain peaks. Even in this minimal amount of water, the question mark is being raised about its quality at some places and the life of every living being found on the earth depends on water only. Therefore, its availability is absolutely necessary. Water, which we consider as a free or free gift

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Lamare, R., and O. P. Singh. "Seasonal Variation in Water Quality of Lukha River, Meghalaya, India." Current World Environment 11, no. 1 (2016): 101–13. http://dx.doi.org/10.12944/cwe.11.1.14.

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Lukha River (Wah Lukha) is one of the major rivers of Meghalaya situated in the southern part of East Jaintia Hills District. Activities such as mining of coal and limestone, manufacturing of cement, deforestation etc. have been taking place in the catchment area of the river leading to changes in water quality. This is evident from the deep blue appearance of water of Lukha River during winter months for the last 7-8 years.Till date no convincing and conclusive reason has been given for this annual change in physical appearance.To get insight, we studied the physico-chemical water quality par

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Li, Mingqian, Changlai Xiao, Xiujuan Liang, Yuqing Cao, and Shuya Hu. "Hydrogeochemical evolution under a changing environment: a case study in Jilin, China." Water Supply 20, no. 5 (2020): 1653–63. http://dx.doi.org/10.2166/ws.2020.072.

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Abstract Groundwater is an important component of the global water cycle, and acts as a receptor and information carrier of global environmental changes. Therefore, it is of great importance to research the chemical evolution of groundwater under a changing environment. Historical data shows that groundwater hydrochemical types are becoming more complicated, groundwater quality is deteriorating and the scope of pollution is expanding. This is attributed to an increasingly dry climate and the gradual deterioration of the original ecological environment, together with the unreasonable groundwate

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Mulliss, R., D. M. Revitt, and R. B. E. Shutes. "The impacts of discharges from two combined sewer overflows on the water quality of an urban watercourse." Water Science and Technology 36, no. 8-9 (1997): 195–99. http://dx.doi.org/10.2166/wst.1997.0665.

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The impacts of combined sewer overflows and surface water outfalls on receiving water quality are assessed by comparing dry weather flow and storm event concentrations of dissolved oxygen, BOD, total and unionised ammonia, pH, dissolved copper and total zinc with those recommended by the River Ecosystem classification guidelines for freshwaters in the UK. The deteriorating conditions during wet weather are identified by water quality falling below the RE2 category for all monitored pollutants, other than dissolved copper, and reaching the most grossly polluted condition for BOD and total ammon

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Dobhal, Rajendra, Nasreen Jeelani, D. P. Uniyal, Sarita Khandka, and N. G. Shrivastava. "Water quality analysis of selected schools of Kumaonregion,Uttarakhand, India." Environment Conservation Journal 13, no. 1&2 (2012): 161–67. http://dx.doi.org/10.36953/ecj.2012.131231.

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Water is a precious resource gifted by Mother Nature for the human being. With rapid growing population the pressure on our water resources is increasing and per capita availability of water resources is reducing day by day. The quality of surface and groundwater resources is also deteriorating because of increasing pollutant loads. The objective of this study consisted is to determinate some physiochemical properties of raw and end water samples from 9 identified intermediate (+2 level) schools of kumaon regions of Uttarakhandand their impact on human health is studied. It is observed that th

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Ali, Mohsin, Irfan Raza, Sajid Rashid Ahmed, Perveiz Khalid, and Shahzada Khurram. "Spatial Variation of Heavy Metals Concentration in the Drinking Water of Rajanpur." International Journal of Economic and Environmental Geology 14, no. 1 (2023): 10–15. http://dx.doi.org/10.46660/ijeeg.v14i1.120.

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Punjab is the most populous area of Pakistan with around 100 million individuals and is confrontingsignificant issues of groundwater exhaustion and water quality deterioration. Groundwater quality in Rajanpur districtof Punjab is also deteriorating like other urban areas of Pakistan. Analysis of the chemical parameters of collectedwater revealed the notable contamination in Rajanpur. Samples were taken from different tube wells of Rajanpur overdifferent locations. A mapping of the total concentration of Arsenic (As), Iron (Fe), and Fluoride (F-) was carried out ondrinking water through GIS. Mu

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Juna, Afaq, Muhammad Umer, Saima Sadiq, et al. "Water Quality Prediction Using KNN Imputer and Multilayer Perceptron." Water 14, no. 17 (2022): 2592. http://dx.doi.org/10.3390/w14172592.

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The rapid development to accommodate population growth has a detrimental effect on water quality, which is deteriorating. Consequently, water quality prediction has emerged as a topic of great interest during the past decade. Existing water quality prediction approaches lack the desired accuracy. Moreover, the available datasets have missing values, which reduces the performance efficiency of classifiers. This study presents an automatic water quality prediction method that resolves the issue of missing values from the data and obtains a higher water quality prediction accuracy. This study pro

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Bhadauria, Sudhir Singh, and Dr Mahesh Chandra Gupta. "In Situ Performance Testing of Deteriorating Water Tanks for Durability Assessment." Journal of Performance of Constructed Facilities 21, no. 3 (2007): 234–39. http://dx.doi.org/10.1061/(asce)0887-3828(2007)21:3(234).

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Huang, Nanqing. "Research Progress on Feeding Behavior of Prawn Based on Passive Acoustics." International Journal of Public Health and Medical Research 2, no. 2 (2024): 105–10. https://doi.org/10.62051/ijphmr.v2n2.15.

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Passive acoustic monitoring (PAM) technology can obtain the sound information of aquatic organisms without causing disturbance or damage to aquatic organisms, and use the information for various ecological research and aquaculture activities management. With the continuous improvement and progress of prawn culture technology, the density of prawn culture continues to increase, but the problems such as low feed utilization rate and deteriorating water quality seriously restrict the rapid development of prawn culture. The use of passive acoustic monitoring technology can realize intelligent auto

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Masood, Muhammad Umer, Muhammad Rashid, Saif Haider, et al. "Exploring Groundwater Quality Assessment: A Geostatistical and Integrated Water Quality Indices Perspective." Water 16, no. 1 (2023): 138. http://dx.doi.org/10.3390/w16010138.

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Groundwater is an important source of freshwater. At the same time, anthropogenic activities, in particular, industrialization, urbanization, population growth, and excessive application of fertilizers, are some of the major reasons for groundwater quality deterioration. Therefore, the present study is conducted to evaluate groundwater quality by using integrated water quality indices and a geospatial approach to identify the different water quality zones and propose management strategies for the improvement of groundwater quality. Groundwater quality was evaluated through the physicochemical

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Oshiro, Robin, and Roger Fujioka. "Sand, soil, and pigeon droppings: sources of indicator bacteria in the waters of Hanauma Bay, Oahu, Hawaii." Water Science and Technology 31, no. 5-6 (1995): 251–54. http://dx.doi.org/10.2166/wst.1995.0617.

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To investigate the deteriorating bacteriological water quality of Hanauma Bay, Hawaii, samples of shoreline water, sand, land runoff, and mongoose and pigeon droppings were analysed for fecal coliforms, E. coli and enterococci. The results indicate that the major sources contributing to periodic high levels of bacteria in the waters of the Bay are contaminants of the beach sand, such as pigeon feces.

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Vijay, Ritesh, Swapnil R. Kamble, S. S. Dhage, R. A. Sohony, and S. R. Wate. "Statistical assessment of seafront and beach water quality of Mumbai, India." Water Science and Technology 64, no. 5 (2011): 1186–93. http://dx.doi.org/10.2166/wst.2011.667.

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The water quality of seafronts and beaches of Mumbai is under pressure and deteriorating due to discharge of partially treated sewage and wastewater through point and nonpoint sources. The objective of the study was to assess the water quality and to correlate physico-chemical and bacteriological parameters for establishing relationship, association and dependence on each other. The water quality parameters were selected as per SW II standards specified by Central Pollution Control Board, India and nutrient parameters as strong indicators of sewage pollution. Box and whisker plots were generat

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Hamed, Mohamed Ahmed Reda. "Characterization of Surface Water Quality along Ismailia Canal, Nile River, Egypt." Journal of Advanced Civil and Environmental Engineering 2, no. 1 (2019): 01. http://dx.doi.org/10.30659/jacee.2.1.01-14.

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Ismailia Canal, one of the main branches of the Nile River in Egypt, is considered as one of the most important irrigation and drinking water source for Ismailia, Port Said and Suez governorates. The canal received industrial, municipal and agricultural wastewater which caused deterioration in its water quality. To determine the spatial variability of Ismailia canal water quality and identify the sources of pollution that presently affect the canal water quality, the scope of study was divided into three main parts. In the first part, the assessment of water quality data was monitored at thirt

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Zhou, Juan, Li Ting Xing, Feng Juan Zhang, et al. "Chemical Characteristics Research on Karst Water in Jinan Spring Area." Advanced Materials Research 1092-1093 (March 2015): 593–96. http://dx.doi.org/10.4028/www.scientific.net/amr.1092-1093.593.

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For the protection of Jinan springs, based on the monitoring data of groundwater quality during dry seasons in 2013, the chemical characteristics evolution of karst water was analyzed by RockWare Aq·QA software, combined with hydrogeological conditions in jinan spring area. According to the groundwater quality standard, the present situation of karst water was evaluated. On the basis of the F value of evaluation, the groundwater quality zone is partitioned by ArcGIS software. The results show that: (1) the groundwater chemical types complicated from the single type (HCO3–Ca and HCO3–Ca·Mg) in

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Nowak, Robert, and Anna Imperowicz-Pawlaczyk. "The quality of groundwater in rural areas and its impact on the functioning of local water intakes." E3S Web of Conferences 59 (2018): 00010. http://dx.doi.org/10.1051/e3sconf/20185900010.

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The main purpose of this paper is to indicate the impact of changes in the quality of groundwater intakes on the functioning of rural water supply systems. In particular, the important factors for the groundwater quality in rural areas have been presented. Results of research on the quality parameters of groundwater, obtained in 2012 ÷ 2016 for selected small water intakes in north-western Poland, were presented. The quality of groundwater in the subsequent analyzed years was deteriorating. There was an increase in the content of iron and manganese compounds, ammonium ions, as well as the pres

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Sitompul, Sahat, Winfrontstein Naibaho, and Welmar Olfan Basten Barat. "Analysis Variation Paddle Wheel With Photovoltaic Form Cultivation with Consumption Electricity." Journal of Applied Geospatial Information 7, no. 1 (2023): 774–78. http://dx.doi.org/10.30871/jagi.v7i1.5230.

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The main problem that is often found in the failure of microalgae production is poor water quality during the maintenance period. One of the causes of deteriorating water quality is the lack of oxygen which endangers microalgae which can inhibit cell growth so that it can reduce its productivity. On this basis, efforts are needed to refresh the water or aeration to help increase the dissolved oxygen (DO) level in the microalgae growth container using a paddle wheel. The development of an aerator blade design that has optimum efficiency is needed to reduce high electricity consumption and see m

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