Affiliation:
1. Department of Zoology Sreegopal Banerjee College Bagati, Mogra Hooghly West Bengal 712148 India
2. Department of Ecological Studies and International Centre for Ecological Engineering University of Kalyani Nadia Kalyani West Bengal 741235 India
3. Department of Zoology University of Kalyani Nadia Kalyani West Bengal 741235 India
4. Department of Materials and Production Aalborg University Aalborg Fibigerstræde 9220 Denmark
Abstract
AbstractWater quality assessment is key to the conservation and management of rivers. River Saraswati, a distributary of the river Ganga, serves as a lifeline to many villages in the district Hooghly in West Bengal, India. As the river is gradually dying due to diverse man‐made pollution, ten water quality parameters in two sampling spots (PR‐1 and PR‐2) in the river are monitored month‐wise from March 2017 to February 2020, and these are compared with those from a reference pond. The water quality index (WQI) is determined for the two riverine spots and the reference pond based on the Canadian Council of Ministers of Environment WQI (CCMEWQI) and weighted arithmetic WQI, respectively. In addition to actual observations, three different forecasting methods, exponential smoothing, autoregressive integrated moving average, and artificial neural network, are used to predict WQI for the next two years. This study indicates that free CO2, dissolved oxygen, and turbidity are the key parameters to evaluate this river's anthropogenic stress and health. The actual and forecasted results reflect the precipitous degradation of CCMEWQI in PR‐2. Therefore, the immediate intervention of all stakeholders is required to adopt an integrated and comprehensive river management plan to save the river from utter obliteration.
Subject
Pollution,Water Science and Technology,Environmental Chemistry
Cited by
3 articles.
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