Hydrodynamic modeling of Malacca Straits using EFDC

Straits of Malacca have long been the important trade route linking the Indian Ocean to the South China Sea and Pacific Ocean, also rich with renewable and nonrenewable resources. The rapid economic development and population growth near the coastal areas exposed the coastal and marine resources to...

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Main Author: Abu Bakar, Amyrhul
Format: Thesis
Language:English
Published: 2013
Subjects:
Online Access:http://eprints.utm.my/id/eprint/33188/5/AmyrhulAbuBakarMFKA2013.pdf
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spelling my-utm-ep.331882017-07-24T07:48:16Z Hydrodynamic modeling of Malacca Straits using EFDC 2013-01 Abu Bakar, Amyrhul TA Engineering (General). Civil engineering (General) Straits of Malacca have long been the important trade route linking the Indian Ocean to the South China Sea and Pacific Ocean, also rich with renewable and nonrenewable resources. The rapid economic development and population growth near the coastal areas exposed the coastal and marine resources to the environmental problems. The study focused to the preliminary development of hydrodynamic model of Malacca Straits by applying the Environmental Fluid Dynamics Code (EFDC) 3D public-domain modeling package. Objectives of study are to calibrate, validate and verify the hydrodynamic variables of water level, current velocity and current direction, and to simulate the hydrodynamic circulation processes of waterbodies. Water quality analysis also performed prior study to know the status of waterbodies. The model was set as coarse grid that bounded from Langkawi to Kukup, which refined for hydrodynamic calibration and verification at Batu Pahat coastal area. Optimum bottom roughness height from sensitivity analysis was applied to verify and validate the model. Statistical analysis was used to evaluate the model performance. The optimum bottom roughness heights were found at 0.001 m and 0.004 m at shallow and deeper regions respectively. The model was reasonably good in simulating water levels and current directions, respectively with correlation coefficient of 0.92 and relative RMS error of 22.92%. The wave currents circulate inward from open boundaries during flood caused collision near Port Klang coastal area. The wave currents during ebb caused maximum velocity of 1.47 m/s and maximum bed shear stress of 4.82 N/m2. Sungai Perak loads out the highest fluxes of DO, BOD, NO3, and PO4 constituents whilst Sungai Langat loads out the highest flux of NH3-N constituent during year 2009. 2013-01 Thesis http://eprints.utm.my/id/eprint/33188/ http://eprints.utm.my/id/eprint/33188/5/AmyrhulAbuBakarMFKA2013.pdf application/pdf en public masters Universiti Teknologi Malaysia, Faculty of Civil Engineering Faculty of Civil Engineering
institution Universiti Teknologi Malaysia
collection UTM Institutional Repository
language English
topic TA Engineering (General)
Civil engineering (General)
spellingShingle TA Engineering (General)
Civil engineering (General)
Abu Bakar, Amyrhul
Hydrodynamic modeling of Malacca Straits using EFDC
description Straits of Malacca have long been the important trade route linking the Indian Ocean to the South China Sea and Pacific Ocean, also rich with renewable and nonrenewable resources. The rapid economic development and population growth near the coastal areas exposed the coastal and marine resources to the environmental problems. The study focused to the preliminary development of hydrodynamic model of Malacca Straits by applying the Environmental Fluid Dynamics Code (EFDC) 3D public-domain modeling package. Objectives of study are to calibrate, validate and verify the hydrodynamic variables of water level, current velocity and current direction, and to simulate the hydrodynamic circulation processes of waterbodies. Water quality analysis also performed prior study to know the status of waterbodies. The model was set as coarse grid that bounded from Langkawi to Kukup, which refined for hydrodynamic calibration and verification at Batu Pahat coastal area. Optimum bottom roughness height from sensitivity analysis was applied to verify and validate the model. Statistical analysis was used to evaluate the model performance. The optimum bottom roughness heights were found at 0.001 m and 0.004 m at shallow and deeper regions respectively. The model was reasonably good in simulating water levels and current directions, respectively with correlation coefficient of 0.92 and relative RMS error of 22.92%. The wave currents circulate inward from open boundaries during flood caused collision near Port Klang coastal area. The wave currents during ebb caused maximum velocity of 1.47 m/s and maximum bed shear stress of 4.82 N/m2. Sungai Perak loads out the highest fluxes of DO, BOD, NO3, and PO4 constituents whilst Sungai Langat loads out the highest flux of NH3-N constituent during year 2009.
format Thesis
qualification_level Master's degree
author Abu Bakar, Amyrhul
author_facet Abu Bakar, Amyrhul
author_sort Abu Bakar, Amyrhul
title Hydrodynamic modeling of Malacca Straits using EFDC
title_short Hydrodynamic modeling of Malacca Straits using EFDC
title_full Hydrodynamic modeling of Malacca Straits using EFDC
title_fullStr Hydrodynamic modeling of Malacca Straits using EFDC
title_full_unstemmed Hydrodynamic modeling of Malacca Straits using EFDC
title_sort hydrodynamic modeling of malacca straits using efdc
granting_institution Universiti Teknologi Malaysia, Faculty of Civil Engineering
granting_department Faculty of Civil Engineering
publishDate 2013
url http://eprints.utm.my/id/eprint/33188/5/AmyrhulAbuBakarMFKA2013.pdf
_version_ 1747816100621451264