Vertical variation of Salinity, Electrical Conductivity Temperature and pH of Batticaloa Lagoon

Sugirtharan Muthucumaran, Selvarajah Pathmarajah and M.I.M. Mowjood
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Sugirtharan Muthucumaran: Eastern University, Sri Lanka
Selvarajah Pathmarajah: University of Peradeniya, Sri Lanka
M.I.M. Mowjood: University of Peradeniya, Sri Lanka

International Journal of Applied and Physical Sciences, 2015, vol. 1, issue 2, 36-41

Abstract: This study was conducted at 21 different locations in the Batticaloa lagoon of Sri Lanka to find out the variations of salinity, EC, water temperature and pH at different depth of the lagoon during the month of May 2013 (early dry period). The locations were grouped into four, based on the distance from bar mouth and geographic locations. Vertical profiles of salinity were tested using Salinity Refractrometer. Temperature, pH and Electrical Conductivity (EC) were measured using portable pH/EC/TDS meter. Results were statistically analysed using the Minitab 14 software. Results revealed that, pH varied from 7.87 to 8.89 and 7.98 and 8.79 at the surface and bottom layer of the lagoon, respectively. Result of pH indicated slightly alkaline in nature. Further, observations indicate that the surface layer of lagoon water had higher temperature (mean 32 oC) than the bottom layer (mean 31oC) of lagoon. Furthermore, there was a positive correlation (r=0.146, p=0.168) was found between lagoon depth and salinity.

Keywords: Variations of Salinity; Geographic Locations; Electrical Conductivity; Water Temperature (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:apa:ijapss:2015:p:36-41

DOI: 10.20469/IJAPS.50003-2

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