Abstract
Study of sediment management is important to ensure the sedimentation process that occurred can be properly managed. Sediment have a positive correlation with the precipitation where, if the amount of precipitation is high then the sediment transport rate also will be increase. The additional of sediment into the river will shallow the river and lead to flooding. Thus, this analysis is carried out on the Batang Padang River to prove that there is a positive reaction by the precipitation and the amount of sediment, and will affect river management. The precipitation and sediment data from 1982 to 1996 were retrieved from Department of Irrigation and Drainage (DID) data base. Statistical analysis using the methods of correlation was used to determine the relationship between two variable has been prescribed. Based on the analyzed data, the highest value of rainfall was 3832.5 mm in 1988, and the highest value of sediment is 15331.9 tonnes/year was accured in 1985. Grade correlation is between 0:51 to 0.94 for observations fifteen years. Where the average grade of correlation that has been analyzed is 0.7. The results of the data analysis clearly shows that precipitation has a significant relationship with sediment.
Highlights
River is one of the physical components of the earth, and frequently get the attention of researchers because our earth is experiencing severe environmental degradation due to human activities
Data used for the study of the effect of precipitation on sediment transport is taken from the Department of Irrigation and Drainage that is located in Ampang, Kuala Lumpur where all the data associated with the river which is the water levels, rainfall, sediment, evaporation and water discharge are obtained from that department
Sediment data collected from the Sungai Manik,Teluk Intan station and rainfall data taken at Sungai Batang Padang,Teluk intan stations
Summary
River is one of the physical components of the earth, and frequently get the attention of researchers because our earth is experiencing severe environmental degradation due to human activities. Soil erosion, flooding and increased sediment is a serious environmental problem facing in the world and become a threat to economic development, agricultural enterprises and community development. Sediment is a natural substance that is broken down by processes of weathering and erosion further transported by the action of wind, water and gravity. The presence of sediment in the river can cause pollution of water resources, filling dams and may have an impact on aquatic habitats [1]. Sedimentation process causing river is become shallow, and may continue to disappear. Flash floods and severe floods will occur in the river mouth [2]. Sediments occur due to the amount of erosion from the hills and slopes [3]. Sediment production is closely related to climate and hydrological factors in a catchment area and it became a big issue that needs to be emphasized
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