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Study of critical point method for mixing zones in rivers / Othman Mohd. Ahijar and Ibrahim Othman

This project presents a steady state mathematical modelling technique to predict far field concentration distribution of pollutant in mixing zone of river. The models are based on the stream tube concept developed by Yotsukura and Sayre, and are modified by Gowda to account for the reach dependency...

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Main Authors: Mohd. Ahijar, Othman, Othman, Ibrahim
Format: Student Project
Language:English
Published: 1986
Subjects:
Rivers. Stream measurements
Online Access:https://ir.uitm.edu.my/id/eprint/62501/1/62501.pdf
https://ir.uitm.edu.my/id/eprint/62501/
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id my.uitm.ir.62501
record_format eprints
spelling my.uitm.ir.625012023-06-02T00:54:29Z https://ir.uitm.edu.my/id/eprint/62501/ Study of critical point method for mixing zones in rivers / Othman Mohd. Ahijar and Ibrahim Othman Mohd. Ahijar, Othman Othman, Ibrahim Rivers. Stream measurements This project presents a steady state mathematical modelling technique to predict far field concentration distribution of pollutant in mixing zone of river. The models are based on the stream tube concept developed by Yotsukura and Sayre, and are modified by Gowda to account for the reach dependency of pollutant decay rate, tranverse diffusion factor and channel hydraulic parameters. An expression for allowable effluent concentration of a pollutant is obtained in term of critical concentration of water quality criterion. A graphical procedure for determining the longitudinal boundary of a limited use zone is described and validated by field data concentration profile of dissolved oxygen. The application of the methodology is outlined in a step-by-step design procedure and illustrated by field data analysis for ammonia nitrogen from palm oil waste collected in shallow stream located in Kapar, Selangor. In general the models presented in this project are applicable to conservative and exponentially decay pollutants. 1986 Student Project NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/62501/1/62501.pdf Study of critical point method for mixing zones in rivers / Othman Mohd. Ahijar and Ibrahim Othman. (1986) [Student Project] (Unpublished)
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic Rivers. Stream measurements
spellingShingle Rivers. Stream measurements
Mohd. Ahijar, Othman
Othman, Ibrahim
Study of critical point method for mixing zones in rivers / Othman Mohd. Ahijar and Ibrahim Othman
description This project presents a steady state mathematical modelling technique to predict far field concentration distribution of pollutant in mixing zone of river. The models are based on the stream tube concept developed by Yotsukura and Sayre, and are modified by Gowda to account for the reach dependency of pollutant decay rate, tranverse diffusion factor and channel hydraulic parameters. An expression for allowable effluent concentration of a pollutant is obtained in term of critical concentration of water quality criterion. A graphical procedure for determining the longitudinal boundary of a limited use zone is described and validated by field data concentration profile of dissolved oxygen. The application of the methodology is outlined in a step-by-step design procedure and illustrated by field data analysis for ammonia nitrogen from palm oil waste collected in shallow stream located in Kapar, Selangor. In general the models presented in this project are applicable to conservative and exponentially decay pollutants.
format Student Project
author Mohd. Ahijar, Othman
Othman, Ibrahim
author_facet Mohd. Ahijar, Othman
Othman, Ibrahim
author_sort Mohd. Ahijar, Othman
title Study of critical point method for mixing zones in rivers / Othman Mohd. Ahijar and Ibrahim Othman
title_short Study of critical point method for mixing zones in rivers / Othman Mohd. Ahijar and Ibrahim Othman
title_full Study of critical point method for mixing zones in rivers / Othman Mohd. Ahijar and Ibrahim Othman
title_fullStr Study of critical point method for mixing zones in rivers / Othman Mohd. Ahijar and Ibrahim Othman
title_full_unstemmed Study of critical point method for mixing zones in rivers / Othman Mohd. Ahijar and Ibrahim Othman
title_sort study of critical point method for mixing zones in rivers / othman mohd. ahijar and ibrahim othman
publishDate 1986
url https://ir.uitm.edu.my/id/eprint/62501/1/62501.pdf
https://ir.uitm.edu.my/id/eprint/62501/
_version_ 1768011475548372992
score 13.211869

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