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- W3111262021 endingPage "116332" @default.
- W3111262021 startingPage "116332" @default.
- W3111262021 abstract "Water quality improvement is one of the top priorities in the global agenda endorsed by United Nation. In this review manuscript, a holistic view of water quality degradation such as concerned pollutants, source of pollution, and its consequences in major river basins around the globe (at least 1 from each continent and a total of 16 basins) is presented. Additionally, nine contemporary techniques such as field scale evaluation, watershed scale evaluation, strategies to identify critical source areas, optimization strategies for placement of best management practices (BMPs), social component in watershed modeling, machine learning algorithms to address water quality problems in complex natural systems concomitant with spatial heterogeneity, establishing a total maximum daily loads (TMDLs), remote sensing in monitoring water quality, and developing water quality index are discussed. Next, the existing barriers to improve water quality are classified into primary and secondary impediments. A detail discussion of three primary impediments (climate change, urbanization and industrial activities, and agriculture) and ten secondary impediments (availability of water quality data, complexity of system, lack of skilled person, environmental legislation, fragmented mandate, limitation in resources, environmental awareness, resistance to change, alteration of nutrient ratio by river damming, and emerging pollutants) are illustrated. Finally, considering all the existing knowledge gaps pertaining to contemporary strategies, a future direction of water quality research is outlined to significantly improve the water quality around the globe. • Water quality status of 15 major River Basins around the world is discussed. • A detail discussion of nine contemporary strategies to improve water quality in major River Basins are provided. • Three primary and ten secondary impediments to degrade water quality is described thoroughly. • Based on the existing knowledge gaps, a future direction of water quality research is outlined." @default.
- W3111262021 created "2020-12-21" @default.
- W3111262021 creator A5044454075 @default.
- W3111262021 date "2021-02-01" @default.
- W3111262021 modified "2023-10-17" @default.
- W3111262021 title "Water quality prospective in Twenty First Century: Status of water quality in major river basins, contemporary strategies and impediments: A review" @default.
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