Water Quality Indices

Machine generated contents note: I.WATER QUALITY INDICES BASED PREDOMINANTLY ON PHYSICO-CHEMICAL CHARACTERISTICS -- 1.Why Water-Quality Indices -- 1.1.Introduction -- 1.2.Water-Quality Indices (WQIs) -- 1.3.Back to Water-Quality Indices (WQIs) -- 1.4.The First Modern WQI: Horton's Index -- 1.5.More on the Benefits of WQI -- 1.6.WQIs Based on Bioassessment -- References -- 2.Approaches to WQI Formulation -- 2.1.Introduction -- 2.2.The Common Steps -- 2.3.Parameter Selection -- 2.4.Transformation of the Parameters of Different Units and Dimensions to a Common Scale: Making Subindices -- 2.5.Assignment of Weightages -- 2.6.Aggregation of Subindices to Produce a Final Index -- 2.7.Characteristics of Aggregation Models -- References -- 3.'Conventional' Indices for Determining Fitness of Waters for Different Uses -- 3.1.General -- 3.2.Brown's or the National Sanitation Foundation's Water-Quality Index (NSF-WQI) -- 3.3.Nemerow and Sumitomo's Pollution Index -- 3.4.Prati's Implicit Index of Pollution -- 3.5.Deininger and Landwehr's PWS Index -- 3.6.Mcduffie and Haney's River Pollution Index (RPI) -- 3.7.Dinius' Water-Quality Index (1972) -- 3.8.O'Connor's Indices -- 3.9.Walski and Parker's Index -- 3.10.Stoner's Index -- 3.11.Bhargava's Index (1983, 1985) -- 3.12.Dinius' Second Index -- 3.13.Viet and Bhargava's Index (1989) -- 3.14.The River Ganga Index of Ved Prakash et al. -- 3.15.Smith's Index (1990) -- 3.16.Chesapeake Bay Water-Quality Indices (Haire et al. 1991) -- 3.17.The Aquatic Toxicity Index -- 3.18.Li's Regional Water Resource Quality Assessment Index (1993) -- 3.19.A Two-Tier WQI -- 3.20.Use of WQI To Assess Pond Water Quality (Sinha, 1995) -- 3.21.Use of WQI to Study Hanuman Lake, Jabalpur (Dhamija and Jain 1995) -- 3.22.Coastal Water-Quality Index for Taiwan (Shyue et al. 1996) -- 3.23.The Modified Oregon Water-Quality Index (Cude, 2001) -- 3.24.The 'Overall Index of Pollution' -- 3.25.The Canadian Water-Quality Index (CCME, 2001) and the Index of.