Seasonal variation of Water quality in the Peri urban Lakes of Bengaluru Urban area, Karnataka, India

K Bheemappa¹ , N Nandini²

Section:Research Paper, Product Type: Isroset-Journal
Vol.4 , Issue.9 , pp.1-5, Sep-2018

Online published on Sep 30, 2018

Copyright © K Bheemappa, N Nandini . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
Seasons are in general termed by the rainfall and temperature patterns expected during different times of the year. The season varies greatly depending on our geographic location, however lakes and ponds commonly respond in similar ways to the same ecological inputs. Hence, seasonal variations of physico-chemical analysis of lake water is of prime importance to indicate the pollution loads or inputs from different angles either natural or manmade. To bear out the objective of the assessment of Annual and Seasonal variation of Water quality, a total of 7 lakes were selected for sampling in the peri-urban area of Vrishabhavathi river basin in Byramangala series of Bengaluru Urban area. Sampling and analysis was carried out for 3 years from January 2012 to February 2015. Sampling points were carefully chosen in order to assess the general characteristics of lake water quality by following standard method APHA, 2012 procedures and Global Environmental Monitoring system GEMS, 1992 guidelines. The Variation trend reveled that, nitrate values of all the lakes during study period are changing drastically with the seasons and are due to manmade intrusions with rapid developments within and around the peri-urban lakes the concentrations. The variations of phosphates are also alarming too for the detoriation of peri-urban lakes. The influence of development activities in the peri-urban area are the causal of drastic variations in lakes and are to be monitored by the government authorities by imposing stringent guidelines.

Key-Words / Index Term :
Water quality, lake, Peri urban, Bengaluru, Seasonal

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