The
Malaysian Journal of Analytical Sciences Vol 16 No 2(2012): 163 – 171
SEASONAL INFLUENCE ON WATER
QUALITY STATUS OF TEMENGGOR LAKE, PERAK
(Pengaruh Musim Terhadap Kualiti Air Tasik Temenggor, Perak)
Wan Mohd Afiq Wan Mohd Khalik1 and Md. Pauzi Abdullah1,2
1School of Chemical Science and Food Technology
2Centre for Water Research and Analysis (ALIR)
Faculty of Science and Technology,
Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
*Corresponding author: mpauzi@ukm.my
Abstract
A
study of the water quality in Temenggor Lake was conducted within
two different seasons, namely wet season (November – January 2009)
and dry season (March – July 2010). Thirteen
sampling stations were selected representing open water body of the lake particularly surrounding Banding Island. Three depths layered sampling (surface, middle and bottom of lake) was
performed at each sampling stations except in zone B. An average WQI
for Temenggor Lake in wet season
(90.49) is slightly higher than the average for dry season (88.87). This study
indicates quite significant seasonal influence of rainfalls on environmental
lake ecosystems by improving the quality through dilution effect on several
parameters. Statistical analysis of two-way ANOVA test indicates
that all measured parameters are affected by seasonal changes except for pH,
turbidity, DO, BOD, oil and grease. Biochemical Oxygen Demand (BOD) and water
hardness showed significant relationship with local community activities. Considering
future development as ecotourism destination, the water quality of Temenggor
Lake should be maintained thus some sort of
integrated lake management system model on the integrated water resource
management concept should be implemented.
Keywords: Temenggor
Lake, Water Quality, Seasonal Variation
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