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Water and sediment quality of Batang Balui and Bakun Reservoir

Bakun Dam is the biggest dam in Southeast Asia and it reached its full supply level in 2012. This study is important to keep monitoring water quality after the operation of Bakun Dam. These results of this study conducted showed that the water quality at Bakun Reservoir was mainly affected by stagn...

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Main Author: Phang, Kong Siew.
Format: Final Year Project Report
Language:English
Published: Universiti Malaysia Sarawak (UNIMAS) 2016
Subjects:
Q Science (General)
QD Chemistry
Online Access:http://ir.unimas.my/id/eprint/23832/2/Phang%20Kong%20Siew.pdf
http://ir.unimas.my/id/eprint/23832/
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spelling my.unimas.ir.238322024-02-23T07:56:11Z http://ir.unimas.my/id/eprint/23832/ Water and sediment quality of Batang Balui and Bakun Reservoir Phang, Kong Siew. Q Science (General) QD Chemistry Bakun Dam is the biggest dam in Southeast Asia and it reached its full supply level in 2012. This study is important to keep monitoring water quality after the operation of Bakun Dam. These results of this study conducted showed that the water quality at Bakun Reservoir was mainly affected by stagnant water and decomposition of organic matter. Stratification responsible on the decline of pH and DO in deeper water region. Thermocline at each station were different (between 1-8 m) and a drop of 3.5 °C was recorded. DO at Bakun Reservoir were found to be less than 5 mg/L near subsurface water (0.5 m) into deeper water. Most of the DO values lay in Class III to Class V, the low DO values caused the water not suitable for aquatic organism. During the Trip 2, DO at subsurface of Station 1 and 2 were lie in Class II. BOD ofmost stations complied with Class III during Trip 2 and almost all COD values complied with Class III as well. TSS in deeper water during Trip 2 were found to comply with Class III. Classification ofWQI showed water at 10m and 20 m depth were in Class III, either slightly polluted or polluted. All the stations for both trips were in eutrophic state. Based on SMSs, the OM and TP contained in the sediment do not exceed the limit. Universiti Malaysia Sarawak (UNIMAS) 2016 Final Year Project Report NonPeerReviewed text en http://ir.unimas.my/id/eprint/23832/2/Phang%20Kong%20Siew.pdf Phang, Kong Siew. (2016) Water and sediment quality of Batang Balui and Bakun Reservoir. [Final Year Project Report] (Unpublished)
institution Universiti Malaysia Sarawak
building Centre for Academic Information Services (CAIS)
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Sarawak
content_source UNIMAS Institutional Repository
url_provider http://ir.unimas.my/
language English
topic Q Science (General)
QD Chemistry
spellingShingle Q Science (General)
QD Chemistry
Phang, Kong Siew.
Water and sediment quality of Batang Balui and Bakun Reservoir
description Bakun Dam is the biggest dam in Southeast Asia and it reached its full supply level in 2012. This study is important to keep monitoring water quality after the operation of Bakun Dam. These results of this study conducted showed that the water quality at Bakun Reservoir was mainly affected by stagnant water and decomposition of organic matter. Stratification responsible on the decline of pH and DO in deeper water region. Thermocline at each station were different (between 1-8 m) and a drop of 3.5 °C was recorded. DO at Bakun Reservoir were found to be less than 5 mg/L near subsurface water (0.5 m) into deeper water. Most of the DO values lay in Class III to Class V, the low DO values caused the water not suitable for aquatic organism. During the Trip 2, DO at subsurface of Station 1 and 2 were lie in Class II. BOD ofmost stations complied with Class III during Trip 2 and almost all COD values complied with Class III as well. TSS in deeper water during Trip 2 were found to comply with Class III. Classification ofWQI showed water at 10m and 20 m depth were in Class III, either slightly polluted or polluted. All the stations for both trips were in eutrophic state. Based on SMSs, the OM and TP contained in the sediment do not exceed the limit.
format Final Year Project Report
author Phang, Kong Siew.
author_facet Phang, Kong Siew.
author_sort Phang, Kong Siew.
title Water and sediment quality of Batang Balui and Bakun Reservoir
title_short Water and sediment quality of Batang Balui and Bakun Reservoir
title_full Water and sediment quality of Batang Balui and Bakun Reservoir
title_fullStr Water and sediment quality of Batang Balui and Bakun Reservoir
title_full_unstemmed Water and sediment quality of Batang Balui and Bakun Reservoir
title_sort water and sediment quality of batang balui and bakun reservoir
publisher Universiti Malaysia Sarawak (UNIMAS)
publishDate 2016
url http://ir.unimas.my/id/eprint/23832/2/Phang%20Kong%20Siew.pdf
http://ir.unimas.my/id/eprint/23832/
_version_ 1792160622414135296
score 13.211869

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