Multivariate Statistical Analysis of Godavari River Water Quality for Irrigation Purposes at Rajahmundry and Dhawaleswaram, AP
Journal Title: International Journal of Civil, Structural, Environmental and Infrastructure Engineering Research and Development (IJCSEIERD) - Year 2017, Vol 7, Issue 5
Abstract
The present work involves the modelling of water quality of River Godavari, for irrigation purposes at Rajahmundry and Dhawaleswaram, in Andhra Pradesh using the multivariate statistical techniques such as Factor Analysis (FA), Cluster analysis (CA), and Principal Component Analysis (PCA). The water quality assessment is done, with the help of two Water Quality Indices (WQI) i.e., National Sanitation Foundation Water Quality Index (NSFWQI) and Weighted Arithmetic Index Water Quality Index (WAIWQI). The data is obtained from the department of Irrigation and Command Area Development (ICAD) and Hydrology Project Circle, Andhra Pradesh, for the period of 2004-2012, which comprises of 9 irrigation parameters. The study using the Water Quality Indices (WQI) indicated that, the quality of water is found to be fair. The Multivariate Analysis has shown the highest pollution, loadings for the monsoon season. The variation in EC_FLD, TDS is found to vary with the degree of pollution. The study indicated that, the quality of River Godavari at Rajahmundry and Dhawaleswaram is moderate at present, for irrigation purposes and its quality in the future might not have a perceptible change, if the present conditions prevail and can be used for irrigation purposes
Authors and Affiliations
P. V. R. Sravya, M. Rajesh Kumar, T. P. Sreejani, G. V. R. Srinivasa Rao
Keywords
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