Water Quality Index of River Ganga and Multiple Regression and Directional Measures of its Effect on Incidence of Water Borne Enteric Diseases in Varanasi City
by
M Pandey
Dept. of Comp. Science and Dept of Zoology, BHU Varanasi, INDIA

From the secondary data on 5 water quality parameters a Water Quality Index(WQI) has been obtained for river Ganga at Varanasi. Based on rating curves, sub indices are obtained for each parameter from January 1995 to June 1999 and are aggregated using the harmonic mean square formula. Tend of water quality of river Ganga is obtained using regression plots and Seasonal Kendall test. Despite more than 15 years of implementaion of Ganga Action Plan has elapsed, the quality is still deteriorated. The multiple linear regression analysis shows a high multiple correlation implying that incidence of water borne enteric diseases in Varanasi is significantly affected by water quality of river Ganga at Varanasi.

The directional data analysis indicates a variation in incidence of said diseases in various areas of Varanasi City.

Date received: November 15, 2002

Copyright © 2002 by the author(s). The author(s) of this document and the organizers of the conference have granted their consent to include this abstract in Atlas Conferences Inc. Document # cakd-14.