Water quality of the Chhoti Gandak River using principal component analysis, Ganga Plain, India

American Public Health Association 1992 Standard methods for the examination of water and wastewater; 19th edn., Washington, D.C.

American Public Health Association 1998 Standard methods for the examination of water and wastewater; 20th edn., Washington, D.C.

Bartarya S K 1993 Hydrochemistry and rock weathering in a sub-tropical lesser Himalayan river basin in Kumaun, India; J. Hydrol. 146 149–174.

Bhardwaj V, Singh D S and Singh A K 2009 Hydrogeochemistry of ground water and anthopogenic control over dolomatization reaction in alluvial sediments of the Deoria district: Ganga Plain India; Environmental Earth Sciences 59(5) 1099–1109, doi: 10.1007/s12665-009-0100-y.

Chettri M and Smith G D 1995 Nitrate pollution in ground water in selected districts of Nepal; Hydrogeol. J. 3 71–76.

Fetter C W 1990 Applied hydrogeology: New Delhi, India; CBS Publishers & Distributors, 592 p.

Fisher R S and Mullican W F 1997 Hydrochemical evolution of sodium-sulfate and sodium-chloride ground water beneath the northern Chihuahuan Desert, Trans-Pecos, Texas, USA; Hydrogeol. J. 5 4–16.

Gibbs R J 1970 Mechanisms controlling world water chemistry; Science 17 1088–1090.

Gupta S K and Deshpande R D 2004 Water for India in 2050: First-order assessment of available options; Curr. Sci. 86 1216–1224.

Hall G E M 1998 Relative contamination levels observed in different types of bottles used to collect water samples; Explore 101 1–7.

Hem J D 1991 Study and interpretation of the chemical characteristics of natural water: Book 2254, 3rd edn., (Jodhpur, India: Scientific Publishers) 263 p.

Holden W S 1970 Water treatment and examination; (London: J & Churchill Publishers) 513 p.

Indian Standard Institute 1983 Indian standard specification for drinking water; IS: 10500: India, Indian Standard Institute, 21 p.

Jacks G 1973 Chemistry of groundwater in a district in Southern India; J. Hydrol. 18 185–200.

Kaiser H F 1958 The varimax criterion for analytic rotation in factor analysis; Psychometrika 23 187–200.

Kumar S, Singh I B, Singh M and Singh D S 1995 Depositional pattern in upland surface of Central Ganga Plain near Lucknow; J. Geol. Soc. India 46 545–555.

Maiti T C 1982 The dangerous acid rain; Science Reporter 9 360–366.

Ozler H M 2003 Hydrochemistry and salt-water intrusion in the Van aquifer, east Turkey; Environ. Geol. 43 759–775.

Pascoe E H 1917 A manual of Geology of India and Burma; Govt. of India Publ., Delhi.

Sarin M M, Krishnaswamy S, Dilli K, Somayajulu B L K and Moore W S 1989 Major-ion chemistry of the Ganga-Brahmaputra river system: Weathering processes and fluxes to the Bay of Bengal; Geochim. Cosmochim. Acta 53 997–1009.

Satyanarayana M and Periakali P 2003 Geochemistry of ground water in ultrabasic peninsular gneissic rocks, Salem district, Tamil Nadu; J. Geol. Soc. India 62 63–73.

Scheytt T 1997 Seasonal variations in ground water chemistry near lake Belau, Schleswing-Holstein, northern Germany; Hydrogeol. J. 5 86–95.

Singh D S 2007 Flood Mitigation in Ganga Plain; In: Disaster Management in India (eds) Rai N and Singh A K, New Royal Book Company, Lucknow, pp 167–179.

Singh D S and Singh I B 2005 Facies architecture of the Gandak Megafan, Ganga Plain, India; Special Publication of the Palaeontological Society of India 2 125–140.

Singh D S, Awasthi A and Bhardwaj V 2009 Control of Tectonics and Climate on Chhoti Gandak River Basin, East Ganga Plain, India; Himalyan Geology 30(2) 147–154.

Singh I B 1996 Geological evolution of Ganga Plain — An Overview; J. Palaeontol. Soc. India 41 99–137.

Singh I B, Srivastava P, Shukla U, Sharma S, Sharma M, Singh D S and Rajagopalan G 1999 Upland interfluve (Doab) deposition: Alternative model to muddy overbank deposits; Facies 40 197–210.

Singh K P, Malik A, Mohan D and Sinha S 2004 Multivariate statistical techniques for the evaluation of spatial and temporal variations in water quality of Gomti River (India): A case study; Water Res. 38 3980–3992.

Stallard R F and Edmond J M 1983 Geochemistry of the Amazon River — The influence of the geology and weathering environment on the dissolved load; J. Geophys. Res. 88 9671–9688.

Subba Rao N and John Devadas D 2003 Fluoride incidence in ground water in a part of peninsular India; Environ. Geol. 45 243–251.

Twort A C, Hoather R C and Law F M 1974 Water supply (London: Edward Arnold Publishing Ltd.) p 245.

Wang Y and Luo Tma Z 2001 Geostatistical and geochemical analysis of surface water leakage into ground water on a regional scale: A case study in the Liulin karst system, northwestern China; J. Hydrol. 246 223–234.

World Health Organization 1984 Guidelines for drinking water quality; Geneva, World Health Organization, 335 p.

Zhang J, Huang W W, Letolle R and Jusserand C 1995 Major element chemistry of the Huanghe (Yellow River), China - Weathering processes and chemical fluxes; J. Hydrol. 168 173–203.