ESTIMATING DISSOLVED OXYGEN DEPLETION IN INNER WESTERN JOHOR STRAIT, MALAYSIA USING A THREE DIMENSIONAL WATER QUALITY MODEL

Authors

  • Maznah Ismail Universiti Teknologi Malaysia/Department of Hydraulic and Hydrology, Malaysia
  • Noor Baharim Hashim Universiti Teknologi Malaysia/Department of Hydraulic and Hydrology, Malaysia
  • Ziba Kazemi Department of Civil Engineering, Islamic Azad University of Ahar

DOI:

https://doi.org/10.11113/mjce.v28.16011

Keywords:

Oxygen depletion, tidal range, estuarine circulation

Abstract

Characterization of changes in inner Western Johor Strait (WJS) of monitoring works was successfully carried out. Eight water quality data sets collected in this area from Second Link to Causeway Link. An extensive dissolved oxygen (DO) data set was used to develop a statistically meaningful way of estimating mean DO from discrete measurements in inner WJS. Relationships among bottom water DO, vertical stratification, and the factors responsible for stratification-destratification in this narrow stretch of water along the WJS with some recent continuous monitoring data. Therefore, it is imperative that the environmental of reclamation and dredging works, municipal or industrial discharge, marine aquaculture and shipping activities in this area be effectively controlled and managed. The purpose of this study was to assess the water quality condition in the Inner Western Johor Strait and the estimating the spatial variable ties of the mean salinity, temperature and dissolved oxygen conditions in WJS. An application of the three dimensional water quality model Environmental Fluid Dynamic Code (EFDC) was developed for the inner WJS to investigate the DO depletion along the strait and surrounding areas. The twenty-one state variable water quality model available in EFDC included multiple dissolved and particulate organic carbon constituents, as well as organic and inorganic nutrients, DO, and three phytoplankton constituents

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Published

2018-07-18

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How to Cite

ESTIMATING DISSOLVED OXYGEN DEPLETION IN INNER WESTERN JOHOR STRAIT, MALAYSIA USING A THREE DIMENSIONAL WATER QUALITY MODEL. (2018). Malaysian Journal of Civil Engineering, 28. https://doi.org/10.11113/mjce.v28.16011