Estimation Of Sediment Inflow Into A Reservoir Using Combined Approach Of Rainfall

Runoff Modelling And Sediment Transport Assessment

Lariyah Mohd Sidek, AZWIN ZAILTI ABDUL RAZAD, Luis Jansen, Thamer A. Mohammed

Research output: Contribution to conferencePaper

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Abstract

Reservoir sedimentation can affect both operation and safety of dam if it is not properly managed. It adversely affects the multiple functions of dam and has become one of the major concerns for the owner and operator. This study describes methods to predict total inflow of sediment into the Ringlet Reservoir in Cameron Highlands using integrated approach of catchment rainfall runoff modeling and sediment rating curves derived from field sampling. MIKE NAM is used to simulate the runoff generated from the Cameron Highlands’ catchment. This model is developed, calibrated and validated using the flow data of Sg Bertam. Field sampling is conducted to measure the Total Suspended Solids (TSS), Bed Load and grab samples at major rivers of the catchment. Sediment rating curves are developed to describe the relationship between the total sediment load and discharge. The available sampling data, hydrology records and catchment ratio are used in determining the total sediment inflow into Ringlet Reservoir, which is between 150,000 m3/year to 200,000 m3/year. This information is useful for the reservoir manager to plan for the most suitable sediment management.
Original languageEnglish
Pages1-9
Number of pages9
Publication statusPublished - 14 Aug 2017

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rainfall-runoff modeling
sediment transport
inflow
catchment
sediment
rating curve
sampling
dam
bedload
integrated approach
hydrology
sedimentation
runoff
safety
river

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title = "Estimation Of Sediment Inflow Into A Reservoir Using Combined Approach Of Rainfall: Runoff Modelling And Sediment Transport Assessment",
abstract = "Reservoir sedimentation can affect both operation and safety of dam if it is not properly managed. It adversely affects the multiple functions of dam and has become one of the major concerns for the owner and operator. This study describes methods to predict total inflow of sediment into the Ringlet Reservoir in Cameron Highlands using integrated approach of catchment rainfall runoff modeling and sediment rating curves derived from field sampling. MIKE NAM is used to simulate the runoff generated from the Cameron Highlands’ catchment. This model is developed, calibrated and validated using the flow data of Sg Bertam. Field sampling is conducted to measure the Total Suspended Solids (TSS), Bed Load and grab samples at major rivers of the catchment. Sediment rating curves are developed to describe the relationship between the total sediment load and discharge. The available sampling data, hydrology records and catchment ratio are used in determining the total sediment inflow into Ringlet Reservoir, which is between 150,000 m3/year to 200,000 m3/year. This information is useful for the reservoir manager to plan for the most suitable sediment management.",
author = "{Mohd Sidek}, Lariyah and {ABDUL RAZAD}, {AZWIN ZAILTI} and Luis Jansen and Mohammed, {Thamer A.}",
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}

Estimation Of Sediment Inflow Into A Reservoir Using Combined Approach Of Rainfall : Runoff Modelling And Sediment Transport Assessment . / Mohd Sidek, Lariyah; ABDUL RAZAD, AZWIN ZAILTI; Jansen, Luis; Mohammed, Thamer A.

2017. 1-9.

Research output: Contribution to conferencePaper

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AU - ABDUL RAZAD, AZWIN ZAILTI

AU - Jansen, Luis

AU - Mohammed, Thamer A.

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AB - Reservoir sedimentation can affect both operation and safety of dam if it is not properly managed. It adversely affects the multiple functions of dam and has become one of the major concerns for the owner and operator. This study describes methods to predict total inflow of sediment into the Ringlet Reservoir in Cameron Highlands using integrated approach of catchment rainfall runoff modeling and sediment rating curves derived from field sampling. MIKE NAM is used to simulate the runoff generated from the Cameron Highlands’ catchment. This model is developed, calibrated and validated using the flow data of Sg Bertam. Field sampling is conducted to measure the Total Suspended Solids (TSS), Bed Load and grab samples at major rivers of the catchment. Sediment rating curves are developed to describe the relationship between the total sediment load and discharge. The available sampling data, hydrology records and catchment ratio are used in determining the total sediment inflow into Ringlet Reservoir, which is between 150,000 m3/year to 200,000 m3/year. This information is useful for the reservoir manager to plan for the most suitable sediment management.

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