Spatial variation in water quality of the Burhi Gandak River: a multi-location assessment

被引:0
|
作者
Priyadarshee, Akash [1 ]
Rahul, Atul Kumar [1 ]
Kumar, Vijay [1 ]
Kumar, Ashish [1 ]
Kumar, Niraj [2 ]
机构
[1] MIT Muzaffarpur, Dept Civil Engn, Muzaffarpur, India
[2] Motihari Coll Engn, Motihari, Bihar, India
关键词
water quality; urbanization; industrialization; Burhi Gandak; Ganga; TRACE-METALS;
D O I
10.3389/fenvs.2024.1487469
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The Burhi Gandak River, a significant tributary of the Ganga River and a vital water source in Bihar, India, is facing critical water quality degradation due to rapid population growth, urbanization, and industrial activities. This study conducts a detailed water quality assessment of the river, focusing on the effects of these anthropogenic factors across different locations, seasons, and industrial zones. Water samples were collected and analyzed for key parameters, including pH, total dissolved solids (TDSs), total hardness (TH), biological oxygen demand (BOD), and dissolved oxygen (DO). The results indicate significant spatial and temporal variations, with water quality deteriorating notably in areas like Samastipur and Khagaria, where industrial and urban activities are more concentrated. For instance, BOD levels increased from 7.5 mg/L to 9.5 mg/l as the river flows through urban Samastipur, signaling a decline in water quality. Additionally, sugar mills located along the river contribute to higher pollution levels during operational months, especially in Lauria and Sugauli. Seasonal analysis shows that the lean season experiences the highest levels of degradation, while monsoon floods increase suspended solids due to sediment inflow. These findings emphasize the urgent need for improved regulation of industrial discharge and urban waste management to protect the water quality of the Burhi Gandak River and the livelihoods dependent on it.
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页数:10
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