scholarly journals Anthropogenic Disturbances Have Contributed to Degradation of River Water Quality in Arid Areas

Water ◽  
2021 ◽  
Vol 13 (22) ◽  
pp. 3305
Author(s):  
Li Ji ◽  
Yuan Li ◽  
Guixiang Zhang ◽  
Yonghong Bi
Keyword(s):  
Water Quality ◽  
River Water ◽  
Ecosystem Management ◽  
Anthropogenic Disturbance ◽  
Yellow River ◽  
Anthropogenic Activities ◽  
Anthropogenic Disturbances ◽  
River Water Quality ◽  
Arid Areas ◽  
The Relationship

The earth has been reshaped for millennia. The accelerating pace of anthropogenic activities has generated enormous impacts on the water environment. As one of the main drivers of landscape change, anthropogenic disturbance has brought many negative effects on rivers. Studying the relationship between anthropogenic disturbances and river water quality is of significance for regional conservation and ecosystem management, while the relationship remains poorly understood in the current. In this study, we quantified anthropogenic disturbances by introducing the concept of the hemeroby index and evaluated rivers’ water quality in eight sub-watersheds on the Loess Plateau. The results indicated that 37.5% of the sub-watersheds were in Eutrophic status, and 62.5% were in Marginal water quality index. The river water quality was most poor in the southwestern region near the Yellow River with high-level anthropogenic disturbance. A correlation analysis between water quality indicators and hemeroby suggested that anthropogenic disturbance contributed to a significant water quality deterioration trend (p < 0.01). The river water quality was relatively sensitive to the changes of completely disturbed land-use covers, including urban and industrial land. Our findings provide theoretical guidance for regional water resources conservation and ecosystem management in arid areas.

scholarly journals Influence of Anykščiai City on Šventoji River Water Quality

2017 ◽  
Author(s):  
Lina Bagdžiūnaitė-Litvinaitienė ◽  
Andrius Litvinaitis ◽  
Laurynas Šaučiūnas
Keyword(s):  
Water Quality ◽  
Point Source ◽  
River Water ◽  
Anthropogenic Activities ◽  
River Water Quality ◽  
Nutrient Concentrations ◽  
Point Source Pollution ◽  
Investigation Period ◽  
The Impact

Increasing migration of nutrients in the river water is a major factor in determining the quality of river water due to anthropogenic activities. In order to preserve the good water quality in rivers and other surface water bodies, it is necessary to take preventive measures that can be scientific water quality research and analysis. According to research carried out in kind, the article analyses the Anykščiai city as point source pollution, and the influence of it to the water quality of Šventoji river. Also, based on the statistical information a nutrient concentrations trend analysis of the meteorological and hydrological con-ditions influence was carried out. Investigations were carried out in July-September of 2016. Concentrations of ammonium (NH4-N), nitrite (NO2-N), nitrate (NO3-N), phosphate (PO4-P) and dissolved oxygen (O2) was analysed. In order to determine the impact of point source pollution on river water quality, the changes in concentration before and beyond Anykščiai city were evaluated, according to the meteorological and hydrological conditions. It was found that total nitrogen (Nb) and total phos-phorus (Pb) concentrations during the investigation period respectively, increases in 6% and 8%.

scholarly journals Understanding public perception, knowledge and behaviour for water quality management of the river Yamuna in India

Water Policy ◽  
2018 ◽  
Vol 20 (2) ◽  
pp. 266-281 ◽  
Author(s):  
Fawzia Tarannum ◽  
Arun Kansal ◽  
Prateek Sharma
Keyword(s):  
Water Quality ◽  
River Water ◽  
Public Perception ◽  
Anthropogenic Activities ◽  
Water Quality Management ◽  
River Water Quality ◽  
Rank Test ◽  
River Bank ◽  
Sources Of Pollution ◽  
River Yamuna

Abstract The paper aims to understand how the public perceives river water quality and related risks and behaviour. Using the stratified semi-purposive sampling process, the study explores the perception of people residing along the river Yamuna in India. The method applied involved a structured questionnaire survey of 2706 respondents and four focused group discussions with people residing within two kilometres of the river bank. Non-parametric tests such as Kruskal Wallis, Mann Whitney U-test and One-Sample Wilcoxon Signed-Rank Test were used to analyse the data. The findings suggest that the majority of the respondents formulate their perceptions using non-scientific methods like sensorial and heuristics. Perception on sources of pollution is shaped by personal experiences and people do not perceive diffused sources of pollution that affect river water quality. Respondents attributed the pollution in the river to anthropogenic activities and their risk perception was found to be linked to their direct dependence on the river for their daily needs. The paper suggests behavioural change strategies to focus on social, governance, and technological drivers.

scholarly journals IMPACT ANALYSIS OF THE BANJA LUKA-DOBOJ MOTORWAY CONSTRUCTION ON THE QUALITY OF WATERCOURSES WITH A LOWER RECEIVING CAPACITY

2020 ◽  
Vol 1 (22) ◽  
Author(s):  
Nebojša Knežević ◽  
Dušica Pešević
Keyword(s):  
Water Quality ◽  
River Water ◽  
Impact Analysis ◽  
Anthropogenic Activities ◽  
River Water Quality ◽  
Construction Site ◽  
Water Sampling ◽  
Measuring Point ◽  
Banja Luka ◽  
The Impact

Prevention of the surface water quality deterioration as a result of motorway construction or similar anthropogenic activities is certainly a rather more demanding task relating to watercourses with lower flow rates than larger watercourses. The paper presents the impact of part of the Banja Luka - Doboj motorway construction site, notably section 1: Banja Luka - Prnjavor, in Miloševci and Hrvaćani, on the Crkvena river water quality. The Banja Luka-Doboj motorway, with a length of 71.91 km, represents a key regional connection in the Republika Srpska, Bosnia and Herzegovina. It will connect the Gradiška - Banja Luka motorway (E-661) to Corridor 5c. Conducted sampling included the Crkvena river water, a right-bank tributary of the Vrbas river, in the Miloševci settlement, and at a new measuring point along the Crkvena River, at the culvert location in the settlement of Hrvaćani, near the motorway construction site. The goal of water sampling is monthly Crkvena river water quality monitoring in order to keep track of the of newly built motorway section's impact on this watercourse in the Miloševci settlement; the purpose of water sampling at a new measuring point in Hrvaćani is to control the Crkvena river water quality before the commencement of works at this location so that the impact of same on this watercourse could later be followed up. Comparison of the data acquired by continual monitoring of a significant number of parameters (total 18) during 12 months with their zero state, i.e. their values before the commencement of construction, gives a realistic overview of impacts of the construction site on the Crkvena river water quality.

Klamath River Water Quality and Acoustic Doppler Current Profiler Data from Link River Dam to Keno Dam, 2007

2008 ◽  
Author(s):  
Annett B. Sullivan ◽  
Michael L. Deas ◽  
Jessica Asbill ◽  
Julie D. Kirshtein ◽  
Kenna D. Butler ◽  
...  
Keyword(s):  
Water Quality ◽  
River Water ◽  
Acoustic Doppler Current Profiler ◽  
River Water Quality ◽  
Klamath River ◽  
Current Profiler ◽  
Profiler Data
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