ISSN 2456-0235

International Journal of Modern Science and Technology

INDEXED IN 

International Journal of Modern Science and Technology, 1(2), 2016, Pages 69-79. 


Assessment of water quality along the coast of Arabian Sea 

​S.P.R. Kalaikathir1, S. Begila David2
1Department of Chemistry, Womens’ Christian College, Nagercoil – 629 001. India.
2PG and Research Centre in Chemistry, Scott Christian College (Autonomous), Nagercoil – 629 003. India.

Abstract
The present work was focused on the spatial and temporal variations of the coastal water quality from six shores along southwest coastline in Arabian sea in Kanyakumari District,Tamilnadu, India. The surface temperature was found varied from 21.2°C to 28.1°C, pH was varied from 7.66 to 8.9, conductivity, TDS, DO, CO2, Alkalinity and nitrate remains almost same in all places in a particular season.  Turbidity was ranged between 2 NTU to 11 NTU and maximum in Kanyakumari in all seasons. The observed DO was above 5 mg/l. Minimum BOD was observed in the present study. Carbon dioxide was found varied from 8 ppm to 25 ppm. Total alkalinity values lie within the maximum permissible limit.  Both gross alpha and gross beta count were maximum in Muttom coastal water. Nutrient nitrate varied from 2 g/l to 4 g/l.  Phosphate was much higher in Muttom in summer season. Sulphate was higher in Kanyakumari and Thengapattanam coast which indicates anthropogenically affected water quality.

Keywords: Coastal water; Alkalinity; Turbidity; Spatial and temporal variation. 


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