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Determination of bed sediment load for rivers / Junaidah Ariffin and Wardah Tahir

Bed sediment load is essential in calculating the transport rate of sediments in rivers and several empirical equations have been developed using experimental and field data by past investigators. However it should be noted that the equations developed were based on controlled conditions done in the...

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Main Authors: Ariffin, Junaidah, Tahir, Wardah
Format: Research Reports
Language:English
Published: 2001
Subjects:
Environmental protection
Online Access:https://ir.uitm.edu.my/id/eprint/74277/1/74277.pdf
https://ir.uitm.edu.my/id/eprint/74277/
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spelling my.uitm.ir.742772023-06-16T02:21:34Z https://ir.uitm.edu.my/id/eprint/74277/ Determination of bed sediment load for rivers / Junaidah Ariffin and Wardah Tahir Ariffin, Junaidah Tahir, Wardah Environmental protection Bed sediment load is essential in calculating the transport rate of sediments in rivers and several empirical equations have been developed using experimental and field data by past investigators. However it should be noted that the equations developed were based on controlled conditions done in the laboratory and sediments were of uniform sizes. Even if the empirical equation derived is based on field data, this does not seemed to match with our local conditions. The predicted rate of transport of bed sediments using these equations do not agree with the observed values. In view of this, several field data have been collected from river gauging stations in Selangor namely Kg. Lui Station for Sg. Lui, Kajang and Dengkil Station along Sg. Langat and Kg. Rinching Station along Sg. Semenyih to establish a relationship for the transport of bed load. The number of bed load samples taken at each cross-section in every observation vary between two to nine. The methods employed in the river gauging operation and sediment measurements depend largely on the flow conditions. In this research work the effective grain size of sediments was found from the S-curves. From the sieve analysis tests it was found that the river beds under study composed of more than 60 % of sand which has size ranges from 0.063 micron to 2 mm. A rating curve of discharge versus bed load has been prepared. A relationship for bed load transport have been established for rivers in Selangor. 2001 Research Reports NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/74277/1/74277.pdf Determination of bed sediment load for rivers / Junaidah Ariffin and Wardah Tahir. (2001) [Research Reports] (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 Environmental protection
spellingShingle Environmental protection
Ariffin, Junaidah
Tahir, Wardah
Determination of bed sediment load for rivers / Junaidah Ariffin and Wardah Tahir
description Bed sediment load is essential in calculating the transport rate of sediments in rivers and several empirical equations have been developed using experimental and field data by past investigators. However it should be noted that the equations developed were based on controlled conditions done in the laboratory and sediments were of uniform sizes. Even if the empirical equation derived is based on field data, this does not seemed to match with our local conditions. The predicted rate of transport of bed sediments using these equations do not agree with the observed values. In view of this, several field data have been collected from river gauging stations in Selangor namely Kg. Lui Station for Sg. Lui, Kajang and Dengkil Station along Sg. Langat and Kg. Rinching Station along Sg. Semenyih to establish a relationship for the transport of bed load. The number of bed load samples taken at each cross-section in every observation vary between two to nine. The methods employed in the river gauging operation and sediment measurements depend largely on the flow conditions. In this research work the effective grain size of sediments was found from the S-curves. From the sieve analysis tests it was found that the river beds under study composed of more than 60 % of sand which has size ranges from 0.063 micron to 2 mm. A rating curve of discharge versus bed load has been prepared. A relationship for bed load transport have been established for rivers in Selangor.
format Research Reports
author Ariffin, Junaidah
Tahir, Wardah
author_facet Ariffin, Junaidah
Tahir, Wardah
author_sort Ariffin, Junaidah
title Determination of bed sediment load for rivers / Junaidah Ariffin and Wardah Tahir
title_short Determination of bed sediment load for rivers / Junaidah Ariffin and Wardah Tahir
title_full Determination of bed sediment load for rivers / Junaidah Ariffin and Wardah Tahir
title_fullStr Determination of bed sediment load for rivers / Junaidah Ariffin and Wardah Tahir
title_full_unstemmed Determination of bed sediment load for rivers / Junaidah Ariffin and Wardah Tahir
title_sort determination of bed sediment load for rivers / junaidah ariffin and wardah tahir
publishDate 2001
url https://ir.uitm.edu.my/id/eprint/74277/1/74277.pdf
https://ir.uitm.edu.my/id/eprint/74277/
_version_ 1769846507020746752
score 13.211869

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