Water quality management of a stretch of river Yamuna: An interactive fuzzy multi-objective approach

Ajit Singh (), S. Ghosh and Pankaj Sharma

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2007, vol. 21, issue 2, 515-532

Abstract: This paper presents an Interactive Fuzzy Multi-Objective Linear Programming (IFMOLP) model for water quality management in a river basin. The IFMOLP model formulated will first evaluate dissolved oxygen (DO) concentrations or DO deficits at a point in different reaches depending on the overall Biochemical Oxygen Demand (BOD) concentration present in the respective drain. Subsequently, the model incorporates the aspirations and conflicting objectives of the decision maker (DM) by taking into consideration the aspects relevant for pollution control boards as well as dischargers responsible for generating wastewater. The uncertainty associated with specifying the water quality criteria (based on DO concentration or DO deficit) and treatment cost to remove pollution level is incorporated by interacting the decision maker. In this process DM is asked to specify the reference aspiration levels of achievement for the values of all membership functions generated with respect to each objective. This provides flexibility for the pollution control authorities and dischargers to specify their aspirations. IFMOLP model developed herein is then used in a case study for the evaluation of optimal BOD removal in different drains located across the river Yamuna at New Delhi, India. The presented model will simulate the allocation of waste load efficiencies with satisfactory results which will indicate usefulness of the model in managing more complex river basins along with better flexible policies of water management. Copyright Springer Science + Business Media B.V. 2007

Keywords: Water quality management; Yamuna river basin; Fuzzy multi-objective programming; Optimization; Dissolved oxygen (DO); Biochemical oxygen demand (BOD); Pollution (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (15)

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DOI: 10.1007/s11269-006-9028-0

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