Analysis of Flow Velocity in the Downstream of Palu River

EasyChair Preprint 15053

Abstract

The area downstream of the Palu River has great potential as a site for social and economic development that can contribute to the surrounding community. The characteristics of the river are influenced by the characteristics of the watershed in terms of land slope, topography, area and shape of the watershed, as well as the pattern of deposition and scouring that occurs along the river channel. Sediment transport analysis always requires flow velocity data, and any waterworks design will take into account the sediment transport problems that occur along with the current velocity in the stream. This study aims to analyze the flow velocity that occurs in the lower reaches of the Palu River. The research site is located in the downstream river of Palu City, Central Sulawesi Province, at UTM 50S coordinates. The data used in this study were flow velocity and discharge measurements. The measurement was made using ADCP RiverSurveyor SonTek M9 tool, using Eulerian method. The measurement results showed a normal discharge of 137.662 m³/s, a maximum discharge of 182.095 m³/s and a minimum discharge of 96.073 m³/s. The lower Palu River has a width ranging from 72 to 225 meters and a depth ranging from 1 to 3 meters in the gently sloping river area. The flow in the lower reaches of Palu River is more dominant in the left part of the river, and the flow velocity in the lower reaches of Palu River ranges from 0.04 - 2.88 m/s.

Keyphrases: *Downstream, *Flow Velocity, *Palu River

@booklet{EasyChair:15053,
  author    = {Adi Sucipto and Muhammad Arsyad Thaha and Mukhsan Putra Hatta and Faisal Mahmuddin},
  title     = {Analysis of Flow Velocity in the Downstream of Palu River},
  howpublished = {EasyChair Preprint 15053},
  year      = {EasyChair, 2024}}