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Assessment of Yamuna and associated drains used for irrigation in rural and peri-urban settings of Delhi NCR
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Assessment of Yamuna and associated drains used for irrigation in rural and peri-urban settings of Delhi NCR
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Journal Article
Assessment of Yamuna and associated drains used for irrigation in rural and peri-urban settings of Delhi NCR
2015
Overview
The present study assessed the quality of Yamuna River and the Najafgarh drain water for irrigational purposes in the Delhi region in terms of spatial variations in the physicochemical characteristics as well as heavy metal concentrations. The monitoring was done for the period July 2012–August 2013 representing pre-monsoon, monsoon, and post-monsoon sessions and considering six physicochemical parameters. Heavy metals such as cadmium, chromium, copper, nickel, zinc, and lead have been found in the river due to rampant discharge of industrial effluents into the river. The mean metal concentrations in the 15 sampling sites were in the range of (mg L⁻¹) 0.02–0.64 (Cu), 0–0.42 (Cr), 0.13–2.22(Zn), 0.03–0.27 (Pb), 0–0.07 (Cd), and 0.01–0.13 (Ni). Multivariate statistics (PCA and HCA) were used to identify the possible sources of metal contamination and to examine the spatial changes in the Yamuna River as well as in the Najafgarh drain. This study reveals the occurrence of mean Cd concentration above the safe limit at Palla, Christian Ashram and Jagatpur of the Yamuna river while Punjabi Bagh of the Najafgarh drain necessitate treatment in terms of heavy metals such as Cd, Cu, Cr, Ni, Pb, and Zn before it could be rendered useful for irrigation.
Publisher
Springer-Verlag,Springer International Publishing,Springer Nature B.V
Subject
/ Agricultural Irrigation - methods
/ analysis
/ Atmospheric Protection/Air Quality Control/Air Pollution
/ Cadmium
/ Canals
/ Chromium
/ Cities
/ Copper
/ Earth and Environmental Science
/ Ecology
/ India
/ Lead
/ methods
/ Monitoring/Environmental Analysis
/ Monsoons
/ Nickel
/ Plating
/ Principal components analysis
/ Rivers
/ Waste Disposal, Fluid - methods
/ Water Pollutants, Chemical - analysis
/ Wind
/ Zinc
