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Agriculture drainage affects river water quality

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Main Authors: Ayob, Katimon, Azraai, Kassim, Fadil, Othman, Johan, Sohaili, Zulkifli, Yusop, Normala, Hashim
Format: Article
Language:English
Published: The Institution of Engineers, Malaysia 2011
Subjects:
Agricultural drainage
Water quality
River
Watershed
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/13407
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spelling my.unimap-134072011-08-09T07:34:42Z Agriculture drainage affects river water quality Ayob, Katimon Azraai, Kassim Fadil, Othman Johan, Sohaili Zulkifli, Yusop Normala, Hashim Agricultural drainage Water quality River Watershed Link to publisher's homepage at http://www.myiem.org.my/ The acidic level of the freshwater is a major concern to water treatment plant operators. Extremely acidic freshwater could affect the operation of the treatment plant in many ways. The cost to neutralisation the water would increase and treatment scheduling would be more complicated. This paper reports the influence of agricultural drainage on river water quality in Bekok river system in Johor, Malaysia. The river is the sole source of freshwater supply to two water treatment plants located at the downstream reach of the river. Three water quality parameters, i.e. pH, Iron and Ammonia-N, were used as an indication parameter. Water samples collected from 16 different river reaches along the 20-km river were analysed. A significant decrease in pH was found near the water intake point, where most of the drained areas are located. The study also found that in general, the quality of the river water was better during low flow condition (non-rainy days) compared to high flow (rainy days). Multiple regression analysis showed that pH was significantly related to Iron and Ammonia contents. 2011-08-09T07:34:42Z 2011-08-09T07:34:42Z 2004-03 Article The Journal of the Institution of Engineers, Malaysia, vol. 65(1/2), 2004, pages 1-7 0126-513X http://iemweb.hormandesign.com/assets/download/Journal03-05-2004.pdf http://hdl.handle.net/123456789/13407 en The Institution of Engineers, Malaysia
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Agricultural drainage
Water quality
River
Watershed
spellingShingle Agricultural drainage
Water quality
River
Watershed
Ayob, Katimon
Azraai, Kassim
Fadil, Othman
Johan, Sohaili
Zulkifli, Yusop
Normala, Hashim
Agriculture drainage affects river water quality
description Link to publisher's homepage at http://www.myiem.org.my/
format Article
author Ayob, Katimon
Azraai, Kassim
Fadil, Othman
Johan, Sohaili
Zulkifli, Yusop
Normala, Hashim
author_facet Ayob, Katimon
Azraai, Kassim
Fadil, Othman
Johan, Sohaili
Zulkifli, Yusop
Normala, Hashim
author_sort Ayob, Katimon
title Agriculture drainage affects river water quality
title_short Agriculture drainage affects river water quality
title_full Agriculture drainage affects river water quality
title_fullStr Agriculture drainage affects river water quality
title_full_unstemmed Agriculture drainage affects river water quality
title_sort agriculture drainage affects river water quality
publisher The Institution of Engineers, Malaysia
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/13407
_version_ 1643790845838622720
score 13.211869

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