scholarly journals The Kuybyshev Reservoir Volga Reach Water Quality Assessment by the Zooplankton Status

2019 ◽  
Author(s):  
Keyword(s):  
Water Quality ◽  
Building Materials ◽  
Water Quality Assessment ◽  
Vegetation Period ◽  
Water Area ◽  
Polluted Water ◽  
Federal State ◽  
Individual Species ◽  
Kuibyshev Reservoir ◽  
Quality Of Water

The object of the study were three different in their hydrological characteristics, as well as the degree of anthropogenic load on them (in the form of sewage from the adjacent territory), the area of the water area of the Volga reaches of the Kuibyshev Reservoir, where there are deposits of nonmetallic building materials. Studies were conducted during the vegetation period 2014-2015. They included physical/chemical studies and studies of the state of zooplankton. Total 311 samples of zooplankton were collected and processed. During the study, 30 species of zooplankton organisms were recorded: 7 species of Rotifera, 7 species of Copepoda and 16 species of Cladocera. The richest in terms of the quantitative diversity of species was No. 3 site. Prevalent in terms of number and biomass of organisms – site number 1. Quantitative indicators of zooplankton were observed in 2015 compared to 2014. This is explained by the fact that 2014 was warmer than 2015. The oxygen regime of 2014 was also better than that of 2015. The turbidity of water in 2014 was below the turbidity of water in 2015, the quality of water in the second year of research deteriorated compared to the first in a number of indicators, such as COD, compounds copper, zinc, manganese, oil products. The mid-vegetation indexes of saprobity for the indicated observation period make it possible to attribute these sections of the Volga reach of the Kuibyshev reservoir to the β-mesosaprobic zone, which corresponds to the third class of water quality - moderately polluted water. Proceeding from the obtained values of the Shannon and Pielu indices, the zooplankton of the studied sections of the Volga reaches of the Kuibyshev reservoir has a rather low species richness with a rigid type of dominance, which characterizes it as mesotrophic. The ratio of groups of organisms and the dominance of individual species indicates a deterioration in water quality over a two-year period of research, which is confirmed by the research conducted by the Federal State Unitary Enterprise «UGMS RT».

Surface Water Quality Assessment from a Mining Area. Case study, Groapa Burlacu lake, Targu Ocna, Romania

2019 ◽  
Vol 70 (10) ◽  
pp. 3678-3680
Author(s):  
Alina Cochiorca ◽  
Narcis Barsan ◽  
Florin Marian Nedeff ◽  
Ion Sandu ◽  
Emilian Florin Mosnegutu ◽  
...  
Keyword(s):  
Water Quality ◽  
Surface Water ◽  
Surface Water Quality ◽  
Water Quality Assessment ◽  
Mining Area ◽  
Physical Parameters ◽  
Mining Activities ◽  
Quality Of Water ◽  
Nacl Concentration ◽  
Water Ph

This paper presents a study on assessment of water quality. According to a study, mining activities have a significant impact on water quality (lakes, surface water and groundwater), which has become a major problem globally. Due to mining and exploitation processes, lakes can be formed around these mines. Also, these lakes have been formed around the world and are steadily increasing. The purpose of this study is to watch the quality of water from the area around mining activities. This study refers to the, Groapa Burlacu lake around the mining exploitation Targu Ocna, Romania. This lake was formed on the northern bottle of the massive salt, strongly affected by the underground activities. Sampling for the determination the concentrations of Cl- and NaCl from the studied area was made at different depths (0 m, -5 m, -10 m, -15 m, -20 m, -25 m, -30 m, -35 m -40 m). Besides these concentrations, physical parameters of the water (pH, turbidity, electrical conductivity, dissolved oxygen and temperature) were also measured. To determine the physical parameters in the monitored area, sampling was done from four different points of the area and then put together for analysis. These parameters were measured on site using portable equipment. The data on the analyzed concentrations indicate that at depths of less than 5.0 m, the NaCl concentration values are more than 250 g/L.

Water quality assessment and apportionment source of pollution from neighbouring rivers in the Tapeng Lagoon (Taiwan) using multivariate analysis: a case study

2006 ◽  
Vol 54 (11-12) ◽  
pp. 47-55 ◽  
Author(s):  
S.-W. Liao ◽  
J.-Y. Sheu ◽  
J.-J. Chen ◽  
C.-G. Lee
Keyword(s):  
Water Quality ◽  
Water Resource Management ◽  
Pollution Prevention ◽  
Water Quality Assessment ◽  
Stream Pollution ◽  
Effect Factor ◽  
Habitat Recovery ◽  
Quality Of Water ◽  
Source Of Pollution

Factor analysis was conducted to explain the characteristics and variation in the quality of water during the disassembly of oyster frames and fishery boxes. The result shows that the most important latent factors in the Tapeng Lagoon are the ocean factor, the primary productivity factor, and the fishery pollution factor. Canonical discriminant analysis is applied to identify the source of pollution in neighbouring rivers outside the Tapeng Lagoon. The two constructed discriminant functions (CDFs) showed a marked contribution to all the discriminant variables, and that total nitrogen, algae, dissolved oxygen, and total phosphate combined in the nutrient effect factor. The recognition capacities in these two CDFs were 95.6% and 4.4%, respectively. The water quality in the Kaoping river most strongly affected the water quality in the Tapeng Lagoon. Disassembling the oyster frames and fishery boxes improved the water quality markedly. However, environmental topographic conditions indicate that strengthening stream pollution prevention and constructing another entrance to the ocean are the best approaches for improving the quality of water in the Tapeng Lagoon by reducing eutrophication. These approaches and results yield useful information concerning habitat recovery and water resource management.

scholarly journals Water Quality Assessment of West Tarum Canal for Drinking Water Supply

2021 ◽  
Vol 277 ◽  
pp. 04003
Author(s):  
Ayu Widya Utami ◽  
Dwi Nowo Martono ◽  
Haruki Agustina
Keyword(s):  
Water Quality ◽  
Drinking Water ◽  
Integrated Management ◽  
Water Quality Assessment ◽  
Polluted Water ◽  
Infrastructure Development ◽  
Raw Water ◽  
Agriculture Industry ◽  
The Government ◽  
Almost All

West Tarum Canal (WTC) is a canal that drains raw water from the Jatiluhur Dam. Nearly 81% of the raw water for drinking water used by Jakarta’s people comes from this canal. However, various land uses such as agriculture, industry, settlements, and infrastructure development impact WTC’s water quality. This research aims to assess WTC’s water quality in 2016-2020 based on water quality standards set by the Government and using the STORET method. The results of this research indicate that the concentrations of TDS (142-351 mg/L), Fe (0.1-0.15 mg/L), Mn (0.03-0.1 mg/L) are meet the standards, while DO (3.6-4.9 mg/L), BOD (4-10 mg/L), COD (13-30 mg/L) are not meet the standards. Almost all monitoring points have pH values between 5.75-7.68 that are meet the standards. The STORET score of WTC is from -26 to -38 with an average of -30, which indicates that WTC’s water quality is moderately polluted. Water contamination in WTC will burden the drinking water processing and ultimately affect the community’s ability to pay for drinking water. This research also shows the need for integrated management of WTC from upstream to downstream and the need to increase collaboration between stakeholders in carrying out this management.

scholarly journals 2008–2017 Bogota River Water Quality Assessment based on the Water Quality Index

2019 ◽  
Vol 11 (6) ◽  
pp. 1668 ◽  
Author(s):  
Daissy Milena Díaz-Casallas ◽  
Mario Fernando Castro-Fernández ◽  
Elvira Bocos ◽  
Carlos Enrique Montenegro-Marin ◽  
Rubén González Crespo
Keyword(s):  
Water Quality ◽  
River Basin ◽  
Water Quality Index ◽  
Quality Index ◽  
Wastewater Treatment Plants ◽  
Ecological Status ◽  
Monitoring And Evaluation ◽  
Water Quality Assessment ◽  
Sampling Station ◽  
Quality Of Water

This article provides a deep analysis of the water quality at the upper basin of the Bogota River (Colombia) between 2008 and 2017. The Water Quality Index has been the indicator employed to determine the ecological status of the river. This index was chosen in order to normalize the analysis, given that it is commonly used by the Institute of Hydrology, Meteorology and Environmental Studies, a government agency of the Ministry of Environment and Sustainable Development of Colombia, to determine the state of surface effluents. The results obtained were organized in a double-entry matrix in order to relate the variables of the sample period and the sampling station. The research revealed an insufficient quality of water, demonstrating that the high stretch of the Bogota River basin has, in general, regular or acceptable water quality, while only five stations showed an acceptable status. Surprisingly, the stations located close to the wastewater treatment plants of the municipalities of Choconta, Suesca, Gachancipa, and Tocancipa, as well as Rio Negro, have a poor water quality, discharging a high load of contaminants into the river. Although great efforts have been made by Colombian authorities to restore the critical state of the majority of their aquatic ecosystems, recent implementation of policies and instruments have not shown significant achievements yet. For this reason, this study aims to present a powerful decision-tool for the monitoring and evaluation of correction measures implemented on this river basin. The data used in this research were provided by the Regional Autonomous Corporation of Cundinamarca.

scholarly journals Application of Remodeled Water Quality Indices and Multivariate Statistical Methods for the Appraisal of Water Quality in a Himalayan Lake

2021 ◽  
Author(s):  
Mozim Shafi ◽  
Chander Prakash ◽  
Khalid Muzamil Gani
Keyword(s):  
Water Quality ◽  
Water Quality Assessment ◽  
Threshold Value ◽  
Water Quality Monitoring ◽  
Quality Parameters ◽  
Critical Parameters ◽  
Multivariate Statistical ◽  
Course Of Action ◽  
Quality Of Water ◽  
Spatio Temporal

Abstract This study demonstrates and analyses spatio-temporal changes and trends of 15 water quality parameters that were arbitrated from the samples collected at 11 sampling locations during the water quality monitoring across the Dal Lake from September 2017 to August 2020. Further a revised WQI (named WQImin) was developed contingent on multiple regression modeling comprising six key parameters (NH4-N, DO, COD, WT, TUB and NO3-N) so as to ease the course of action and lessen the systematic costs of the water quality assessment. The results signify that the general mean WQI value 81.9 and seasonal average WQI values ranges from 79.44 to 84.55. The quality of water showed seasonal variance, with lowest values in summer, succeeded by autumn and winter, and highest in spring. Moreover, the suggested WQImin model contingent on the selected six critical parameters displayed execution in the evaluation of Dal Lake’s water quality with R2 = 0.99, RMSE value (5.48) and PE value of 6.34%. This manifested that the developed WQImin model can be convenient and efficacious implement to control and determine Dal Lake’s water quality. Further results showed that most of the nutrients were above the threshold value during the monitoring period, which is the leading cause of eutrophication at some places in the lake.

scholarly journals Spatio-Temporal Variation of Heavy Metal Pollution during Accidents: A Case Study of the Heshangshan Protected Water Area, China

2019 ◽  
Vol 11 (24) ◽  
pp. 6919 ◽  
Author(s):  
Xiaowen Ding ◽  
Yue Tan ◽  
Baodeng Hou
Keyword(s):  
Water Pollution ◽  
Water Quality ◽  
Iron Concentration ◽  
Social Economy ◽  
Temporal Variations ◽  
Water Area ◽  
Quality Model ◽  
Accident Scenario ◽  
Quality Of Water ◽  
Spatio Temporal

Recently, water environmental accidents have occasionally occurred which have had wide-ranging influences, long durations and are difficult to deal with. The development of the social economy, the acceleration of industrialization, the huge discharge of industrial wastewater and the occasional occurrence of ship transportation accidents pose serious threats to the water quality of water inlets and protected water areas. This article applied the two-dimensional water quality model, used a GIS platform and FORTRAN language, and predicted spatio-temporal variations of the iron concentration during a water pollution accident. This research selected the water inlet of Heshangshan Water Plant and the Heshangshan protected water area as the research objective, and assumed a water pollution event had occurred. It was suggested that we should take corresponding emergency measures and relevant solutions to deal with the bad effects of water pollution accidents. The processes mainly included the selection of the study area, the determination of the equation to be used, parameters determination, as well as the identification of the accident scenario and source. The durations of the iron concentration exceeding the standard at the water inlet were 12–18 min and in the protected water area were 16–36 min in four water periods after the accident. In addition, the durations taken for the iron concentration to decrease to the background value in the protected water area were 18–38 min after the accident in four water periods in the accident scenario. Relevant departments should take some contingency measures to avoid fetching water from the intake after the accident within 40 min after the accident and the relevant staff can cancel the warning 40 min after the accident.

Environmental monitoring of water bodies

2020 ◽  
Author(s):  
Irina Tihonova ◽  
Nataliya Kruchinina
Keyword(s):  
Water Quality ◽  
Water Quality Assessment ◽  
Water Bodies ◽  
Nature Management ◽  
Federal State ◽  
Monitoring Systems ◽  
Resource Saving ◽  
State Educational ◽  
Global And Local ◽  
Quality Assessments

The tutorial covers issues related to water monitoring systems and assessment of anthropogenic impact on water bodies. The influence of hydrodynamic conditions on the distribution of pollutants, the tasks and principles of monitoring systems at the global and local levels, and comprehensive water quality assessments were studied. Mathematical models of water quality assessment and forecasting are presented. Additionally, information on biological monitoring of water bodies is highlighted. Meets the requirements of the Federal state educational standards of higher education of the latest generation. For University students studying in the areas of training 05.03.06 "Ecology and nature management", 18.03.02 "Energy and resource - saving processes in chemical technology, petrochemistry and biotechnology", 20.03.01 "Technosphere safety", 20.03.02 "nature management and water use".

scholarly journals Physicochemical Analysis of Selected Groundwater Samples of Amalner Town inJalgaon District, Maharashtra, India

2010 ◽  
Vol 7 (1) ◽  
pp. 111-116 ◽  
Author(s):  
V. T. Patil ◽  
P. R. Patil
Keyword(s):  
Water Quality ◽  
Correlation Coefficients ◽  
Water Quality Assessment ◽  
Physicochemical Characteristics ◽  
Underground Water ◽  
Physicochemical Analysis ◽  
Municipal Water ◽  
Quality Of Water ◽  
Groundwater Samples

Physicochemical characteristics of groundwater and municipal water in Amalner town by taking water samples from five different stations. The study was carried out by collecting four groundwater samples (Two open well, two bore well) and one municipal water sample during November 2007-February 2008. The results were compared with standards prescribed by WHO and ISI 10500-91. Total 15 parameters were analysed. It was found that the underground water was contaminated at few sampling sites namely Shirud Naka, Cotton Market and Shivaji Nagar. The sampling sites Dekhu road showed physicochemical parameters within the water quality standards and the quality of water is good and it is fit for drinking purpose. The correlation coefficients were calculated for water quality assessment.

scholarly journals Water Quality Assessment of Ponds and Charas of Sylhet City based on pH, DO and BOD

2019 ◽  
Vol 6 (1) ◽  
pp. 43-48
Author(s):  
Jafor Ahmed Limon ◽  
Md. Robin Sarker ◽  
Md. Naeem Hossain
Keyword(s):  
Water Quality ◽  
Surface Water ◽  
Oxygen Demand ◽  
Water Quality Assessment ◽  
Present Condition ◽  
Surface Water Pollution ◽  
City Life ◽  
Quality Of Water ◽  
Day By Day

At present, the condition of surface water is much declining and the quality of water is a vital concern for mankind. It is directly linked with human security. Greater part of people is still not aware of it. So, improvement of the condition of surface water is a crying need. Surface water is often physically contaminated due to unhygienic practices. Discharges from various contaminated sources are very common thing in city life which deteriorates the water quality and necessary treatment is required to make water usable. The investigation is based on laboratory tests on water samples obtained from seven Ponds and three Charas of Sylhet City Corporation. The selected parameters for assessing the water quality are PH, Biochemical Oxygen Demand (BOD) and Dissolved Oxygen (DO). The present condition of Ponds and Charas water are not up to the mark and it is declining day by day. Proper initiatives need to take regarding the control of surface water pollution in Sylhet.

scholarly journals Perspectives in Water Quality Assessment

2019 ◽  
Vol 8 (2S4) ◽  
pp. 7-11
Keyword(s):  
Water Quality ◽  
Surface Water ◽  
Water Quality Assessment ◽  
Machine Learning Algorithms ◽  
National Standard ◽  
World Health ◽  
Index Method ◽  
Quality Of Water ◽  
Health Organization

One can assess the quality of water by water quality index method and it is a mathematical method to evaluate the water quality based on physical or chemical parameters, using WQI one can evaluate the water quality of both ground water and surface water, while determining the WQI one can use the standards or guidelines provided by some standard organizations like WHO (world health organization), National Standard Body of India (BIS), ICMR (Indian Council for Medical Research) etc. To assign grade to the water samples under study, apart from the WQI there are some other popular techniques used to evaluate water quality they are statistical methods, multivariate statistics, neural networks, fuzzy logic and machine learning algorithms. The aim of this study is to give insight into various methods used or developed to evaluate water quality of both ground and surface water by earlier research works.

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