Abstract
One of the major drawbacks of WQI is the manner, in which magnitude of the weights are assigned to the water quality parameters to their relative importance. Most of such methods are rather subjective and does not include the impact of the parameters to create hazards, cost to mitigate the hazard and utility to asses water quality. That is why; the present investigation proposes an objective method to determine the magnitude of weight, incorporating such factors and thus depicts the holistic quality of water. To achieve this objective FLDM was used to integrate the importance of parameters, on the basis of expert and literature survey, to represent actual situation of water quality more accurately. A case study of assessing the water quality of the sample water bodies in North East India with the proposed WQI is also incorporated to verify the applicability of the proposed index. The results show that the values of proposed WQI are close to that of NSF WQI and also in parity with available data.
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Acknowledgements
The authors thankfully acknowledge the active help of Mr. Santanu Bhowmik, Research Scholar, School of Hydro-Informatics Engineering, NIT Agartala during the collection of data for the present study.
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Roy, R. (2018). An Approach to Develop an Alternative Water Quality Index Using FLDM. In: Majumder, M. (eds) Application of Geographical Information Systems and Soft Computation Techniques in Water and Water Based Renewable Energy Problems. Water Resources Development and Management. Springer, Singapore. https://doi.org/10.1007/978-981-10-6205-6_3
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DOI: https://doi.org/10.1007/978-981-10-6205-6_3
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