Kajian Sedimen Melayang pada Sub DAS Sei Kalembah (DAS Padang), Studi Kasus : Perkebunan Kelapa Sawit PTPN 4 Kebun Pabatu

Abstract

The purpose of this study was determined the amount of suspended sediment concentration dan sediment rating curve. Sediment rating curve are use to show the relationship between the discharge of the river and sediment discharge, a value sediment discharge can be used to predict the magnitude of the sedimentation process. Assesment of the suspended sediment have been made to overcome theproblems associated with the movement of contaminants, changes in water quality, to predict the lifetime of a dam on the river, and also to determine the rate of erosion due to changes in land use. Replanting at oil palm plantations, especially during land clearing that part of the land to be bare land. This condition causes the surface flow of replanted areas become rapidly concentrated into a ditch and into the river carrying sediment. The research results were obtained that the value of sediment discharge at the study site including the criteria for very high (greater than 20 tons/ha/yr) and already exceeds the limit sediment load criteria issued by the Ministry of Forestry

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