scholarly journals Assessing surface water quality of the Cai stream in Tan Uyen town – Binh Duong province till 2020

2020 ◽  
Vol 2 (6) ◽  
pp. 222-231
Author(s):  
Le Ngoc Tuan ◽  
Doan Thanh Huy ◽  
Tran Xuan Hoang
Keyword(s):  
Water Quality ◽  
Economic Development ◽  
Waste Water Treatment ◽  
Water Quality Management ◽  
Surface Water Quality ◽  
Current Status ◽  
Pollution Levels ◽  
Management Measures ◽  
Socio Economic Development ◽  
Medium Level

The Cai stream is a wastewater receiving stream from industrial zones in Tan Uyen town (Binh Duong province), which is facing to pollution risks, requiring appropriate management measures, especially in the context of socio-economic development. Accordingly, the study aimed to assess the current status and to forecast its water quality until 2020. By sampling, analysis, and water quality index (WQI), the results show that water quality in dry season of 2017 ranged from poor to medium level (WQI 23-79) and tended to increase towards the downstream. Some streams being concerns in terms of water quality were the Cho stream (WQI 18 - 31), the Cai stream flowing through VSIP II (WQI 26 - 35), the Tre stream flowing through waste water treatment plants of VSIP II (WQI = 40)... It could be explained by high turbidity, TSS and NH4-N concentrations. Water quality in 2020 was simulated by the Mike 11 model and demonstrated on maps using GIS. Simulation results show an increase in COD, BOD, TSS, total nitrogen, and total phosphorus concentrations in relation to local socio-economic development plans, especially COD and TSS (the highest concentrations would be 48 mg/L and 205 mg/L, respectively). In some areas, there is a clear increase in pollution levels, such as the Tre stream, the confluence of the Tre and the Cai streams, downstream of the Cai stream, the Vinh Lai stream, and the Cho stream. Research results could be an important basis for environmental management in general, water quality management in particular, contributing to sustainable development goals of the local.  

RIONET: a water quality management tool for river basins

2003 ◽  
Vol 48 (10) ◽  
pp. 47-53 ◽  
Author(s):  
H. Reuter ◽  
G. Krause ◽  
A. Mönig ◽  
M. Wulkow ◽  
H. Horn
Keyword(s):  
Water Quality ◽  
Quality Management ◽  
Waste Water Treatment ◽  
Sediment Cores ◽  
Water Quality Management ◽  
River Basins ◽  
Bulk Water ◽  
Management Tool ◽  
Quality Model ◽  
Main River

The water quality management tool RIONET for river basins has been developed with regard to the EU Water Framework Directive. The management tool can simulate the water quality in catchment basins not only in the dimension of a single river but in whole river networks. A submodel of the IWA River Water Quality Model No. 1 is used in RIONET. The river model is based on the assumption that self purification processes in the river takes place both in the benthic biofilm and the bulk water phase. Laboratory experiments with sediment cores underline the major role of the benthic biofilm. The input parameters of the management tool such as volumetric flow rates from waste water treatment plants and flow velocities and discharge in the main river and its tributaries can be loaded directly from geographic information systems (GIS). The subcatchment basin of the river Bode in Saxon Anhalt was used for test runs of RIONET.

Integrated Water Balance and Water Quality Management Under Future Climate Change and Population Growth: A Case Study of Upper Litani Basin, Lebanon

2022 ◽  
Author(s):  
Rana Salim Abou Slaymane ◽  
M. Reda Soliman
Keyword(s):  
Water Quality ◽  
Water Resources ◽  
Water Balance ◽  
General Circulation ◽  
Waste Water Treatment ◽  
Water Quality Management ◽  
Circulation Model ◽  
Future Climate ◽  
Future Climate Change ◽  
Baseline Scenario

Abstract The impacts of the growing population at Lebanon including Lebanese, Palestinian and Syrian refugees, associated with the changing climate parameters such that the precipitation are putting the Bekaa Valley’s water resources in a stymie situation. The water resources are under significant stress limiting the water availability and deteriorating the water quality at the Upper Litani River Basin (ULRB) within the Bekaa Valley region. These impacts are assessed by Water Evaluation And Planning model to assure the water balance and quality at baseline scenario in 2013, and future scenarios reaching 2095, serving by the Watershed Modeling System to get the flow throughout the Litani River’s ungauged zones. Moreover, a General Circulation Model is used to predict the future climate up to 2100 under several emissions scenarios which shows a critical situation at the high emission scenario where the precipitation will be reduced about 87 mm from 2013 to 2095. The aim of this research is to reduce the water pollution that limits the availability of usable water, and to minimize the gap between the demand and supply of water within the ULRB in order to maintain water resources sustainability, and preserves its quality, even after 80 years. In particular, this may be achieved by removing encroachments on the river, by adding waste water treatment plants, by reducing the amount of lost water in damaged water network, and by avoiding the overconsumption of groundwater.

scholarly journals Application of multivariate statistical techniques in the water quality assessment of Danube river, Serbia

2015 ◽  
Vol 41 (4) ◽  
pp. 96-103 ◽  
Author(s):  
Danijela Voza ◽  
Milovan Vukovic ◽  
Ljiljana Takic ◽  
Djordje Nikolic ◽  
Ivana Mladenovic-Ranisavljevic
Keyword(s):  
Water Quality ◽  
Water Quality Management ◽  
Surface Water Quality ◽  
Principal Component ◽  
Water Quality Assessment ◽  
Water Quality Monitoring ◽  
Danube River ◽  
Multivariate Techniques ◽  
Data Set ◽  
Political Issue

AbstractThe aim of this article is to evaluate the quality of the Danube River in its course through Serbia as well as to demonstrate the possibilities for using three statistical methods: Principal Component Analysis (PCA), Factor Analysis (FA) and Cluster Analysis (CA) in the surface water quality management. Given that the Danube is an important trans-boundary river, thorough water quality monitoring by sampling at different distances during shorter and longer periods of time is not only ecological, but also a political issue. Monitoring was carried out at monthly intervals from January to December 2011, at 17 sampling sites. The obtained data set was treated by multivariate techniques in order, firstly, to identify the similarities and differences between sampling periods and locations, secondly, to recognize variables that affect the temporal and spatial water quality changes and thirdly, to present the anthropogenic impact on water quality parameters.

Public perception and water quality management

1996 ◽  
Vol 34 (12) ◽  
pp. 25-32 ◽  
Author(s):  
Margaret A. House
Keyword(s):  
Water Quality ◽  
Surface Water ◽  
Quality Management ◽  
Environmental Quality ◽  
Public Perception ◽  
Water Quality Management ◽  
Management Strategies ◽  
Water Environment ◽  
Surface Water Quality ◽  
The Impact

The visual and odorous characteristics of the environment tend to be those which have the greatest impact upon the public's assessment of environmental quality. In many cases the public's perception of water quality may be based entirely on these aesthetic aspects of a water environment. Those responsible for the management of surface water quality recognise the need to apply a range of management strategies including a consideration of the public's perception of water quality and the impact of this upon their use of rivers and beaches for recreation and amenity. This paper reports upon the results from a recent investigation into the impact of sewage derived litter on perceived water and environmental quality.

scholarly journals DYNAMIC SURFACE WATER QUALITY MANAGEMENT SYSTEM

2021 ◽  
Vol 1 (6) ◽  
pp. 144-149
Author(s):  
N.O. Popovyan ◽  
◽  
A.B. Usov
Keyword(s):  
Water Quality ◽  
Quality Management ◽  
Quality Management System ◽  
Water Quality Management ◽  
Surface Water Quality ◽  
Maximum Permissible Level ◽  
Dynamic Surface ◽  
Treatment Facilities ◽  
Reverse Situation

The article examines the interaction of subjects of a two-level hierarchical system. An industrial enterprise discharges wastewater into the river as a result of its work. To prevent the ingress of a large amount of pollutants, water treatment facilities have been installed, the operation of which is regulated by the level of technical support. The state allocates funds to support the activities of the enterprise and regulates the standards for the discharge of pollutants. The interests of both subjects are to maximize their target functional. The article is devoted to the problem of finding optimal control in a mathematical model of water quality management in a dynamic system. Examples of calculations for specific parameters are given. Based on the examples given, we can draw conclusions about the influence of parameters on the system. The type of the emitted substance has the greatest influence on the system, namely the values of such parameters as the initial concentration and the coefficient of non-conservativeness. With long-term interaction, the speed of self-cleaning of the river plays a significant role. At a low level of self-purification of the river, the concentration of substances in the river almost reaches the maximum permissible level. The deterioration of the environmental situation leads to losses on the part of the Host. The reverse situation allows us to continue cooperation in the future, while receiving a greater gain. Also, the winnings of the subjects significantly depend on the volume of investments.

scholarly journals THE IMPLICATIONS OF ECONOMIC DEVELOPMENT, CLIMATE CHANGE AND EUROPEAN WATER POLICY ON SURFACE WATER QUALITY THREATS

2017 ◽  
Vol 3 ◽  
pp. 111-123 ◽  
Author(s):  
Jolanta Dąbrowska ◽  
◽  
Katarzyna Pawęska ◽  
Paweł B. Dąbek ◽  
Radosław Stodolak ◽  
...  
Keyword(s):  
Climate Change ◽  
Water Quality ◽  
Economic Development ◽  
Surface Water ◽  
Water Policy ◽  
Surface Water Quality ◽  
European Water
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