Spatial and temporal analysis of water quality of Ganges system upto Varanasi by using GIS and SPSS tool
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Date
2018-08
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G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand)
Abstract
All living organisms are dependent upon pure oxygen, water, soil etc. in one form or other to maintain metabolic processes that produce energy for growth and reproduction. Due to the rapid increase in urbanization and industries, the air, water, soil and the nature are being polluted due to discharging their wastes into water bodies and contaminate them. Thus present study focus to assess the surface water quality of Ganges system upto Varanasi including area i.e. Uttarkashi, Rudraprayag, Haridwar, Moradabad, Auraiya, Kanpur, Raebareli, and Varanasi by integrating Water Quality Index (WQI) with Geographic Information System (GIS). The level of concentration of various physico-chemical parameters determines the quality of surface water. Therefore the study was undertaken with the aim to assess the surface water quality by analyzing the seasonal variations in physico-chemical water quality parameters. To create the spatial distribution maps of Water Quality Index value Arc GIS is used. The resultant graphs and tables revealed that Moradabad, Auraiya and Kanpur are the most polluted sites for all the three seasons with water quality index value higher than desirable limit for drinking. Overall it is found that quality of surface water of Ganges system since last decade is depleting at fast rate from upstream to downstream.
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