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All Journal Indonesian Journal of Engineering and Science (IJES)
Henggar Risa Destania
Civil Engineering Faculty, Universitas Indo Global Mandiri , Jl. Jend. Sudirman no. 629, South Sumatera, Indonesia
Energy Engineering Materials Science & Nanotechnology Mechanical Engineering

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RADAR-BASED RAINFALL ESTIMATION IN BOYONG RIVER (BO-D5) Henggar Risa Destania; Achmad Syarifudin
Indonesian Journal of Engineering and Science (IJES) Vol. 3 No. 1 (2022): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1169.812 KB) | DOI: 10.51630/ijes.v3i1.31

Abstract

Sediment-related disasters are terrible disasters that can catastrophically impact facilities. People must keep in mind to make sediment-related disaster information that can be predicted from rainfall and response of drainage area by using snakelike. This research produces important indices on precipitation related to debris. It shows the current status of the stage of the response of drainage area against rainfall by using a couple of short- and long-term indices. It shows the water storage volume in the soil layer with the calculation of soil water index (SWI) by using X-band MP (Multi-Parameter) rainfall radar data that has been installed at the top of Merapi Mountain (Merapi Museum). It was confirmed that from June 2018 – June 2019, with 80.28 mm SWI, maximum values do not exceed the standard reference value of SWI (120 – 160 mm) set from JMA. It means that 80.28 mm of SWI value has not yet become the maximum limit of SWI value for lahar occurrence in the Boyong drainage area (BO-D5). The maximum limit of SWI value can be generated if sediment disaster occurrences are available.
NUMERICAL METHOD APPROACH TO ANALYSIS OF DRAINAGE CHANNELS OF PIT-3 WEST BANKO TANJUNG ENIM Arif Satria Rusmana; Achmad Syarifudin; Henggar Risa Destania
Indonesian Journal of Engineering and Science (IJES) Vol. 3 No. 1 (2022): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (798.564 KB) | DOI: 10.51630/ijes.v3i1.32

Abstract

The drainage network system should be designed to accommodate normal flow rates, especially during the rainy season. This means that the capacity of the drainage channel has been calculated to accommodate the water discharge that occurs so that the area in question does not experience puddles or the channel can to be function properly. For this reason, research is needed to analyze the ability of the ex-coal mine drainage channel in PIT-3 West Banko Tanjung Enim. The research was carried out with the help of the HEC-RAS software program to see the changes in the water level in the drainage channel where the water was overflowing from the channel body. The results showed that all the section profiles of the drainage channel (P1) till (P10) were still in the safe condition or the channel was still stable (stable channel).
Co-Authors Achmad Syarifudin Arif Satria Rusmana