Analysis of Debris Flow Potential With Flow Modeling on The Mount Abang Slopes, Kintamani, Bali.

Debris flow was mass movement such as; clay, fine sand, organic waste and coarse material such as; gravel, rocks, organic waste, logs mixed with water. Based on historical information the slope of the ancient caldera of Mount Batur that were potentially threatened for the village with debris flows h...

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Main Authors: I Nengah Sinarta, Putu Ika Wahyuni
Format: Article
Language:English
Published: Universitas Diponegoro 2023-01-01
Series:Media Komunikasi Teknik Sipil
Subjects:
Online Access:https://ejournal.undip.ac.id/index.php/mkts/article/view/37157
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author I Nengah Sinarta
Putu Ika Wahyuni
author_facet I Nengah Sinarta
Putu Ika Wahyuni
author_sort I Nengah Sinarta
collection DOAJ
description Debris flow was mass movement such as; clay, fine sand, organic waste and coarse material such as; gravel, rocks, organic waste, logs mixed with water. Based on historical information the slope of the ancient caldera of Mount Batur that were potentially threatened for the village with debris flows hazards including; Trunyan, Abang Batudinding and Buahan Village. Modeling with DFLOWZ software was supported by spatial data with input parameters namely; Digital Elevation Model (DEM) data and Polyline data. Modeling was an initial approach in predicting the debris inundation area. Research results to get the type of material and debris flow direction. The observed flow anatomy was debris flow in valleys and rivers at an altitude of ± 1500 msl, curved in the valleys of the hills and the direction of flow is to the west. The DFLOWZ analysis shows that the retained deposit area that has the potential to cause debris avalanches is 49,830 m2, with an inundation height based on 5-7 m thick slope valley. The results of the modeling serve as a form of early warning for communities affected by the threat of inundation of debris flows.
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spelling doaj.art-642de2f8b04a4083be0fb79162c00ecf2023-03-21T13:29:03ZengUniversitas DiponegoroMedia Komunikasi Teknik Sipil0854-18092549-67782023-01-0128216116810.14710/mkts.v28i2.3715721775Analysis of Debris Flow Potential With Flow Modeling on The Mount Abang Slopes, Kintamani, Bali.I Nengah Sinarta0https://orcid.org/0000-0002-7095-1501Putu Ika Wahyuni1Department of Civil Engineering, Warmadewa University, IndonesiaDepartment of Civil Engineering, Warmadewa University, IndonesiaDebris flow was mass movement such as; clay, fine sand, organic waste and coarse material such as; gravel, rocks, organic waste, logs mixed with water. Based on historical information the slope of the ancient caldera of Mount Batur that were potentially threatened for the village with debris flows hazards including; Trunyan, Abang Batudinding and Buahan Village. Modeling with DFLOWZ software was supported by spatial data with input parameters namely; Digital Elevation Model (DEM) data and Polyline data. Modeling was an initial approach in predicting the debris inundation area. Research results to get the type of material and debris flow direction. The observed flow anatomy was debris flow in valleys and rivers at an altitude of ± 1500 msl, curved in the valleys of the hills and the direction of flow is to the west. The DFLOWZ analysis shows that the retained deposit area that has the potential to cause debris avalanches is 49,830 m2, with an inundation height based on 5-7 m thick slope valley. The results of the modeling serve as a form of early warning for communities affected by the threat of inundation of debris flows.https://ejournal.undip.ac.id/index.php/mkts/article/view/37157debris flowdflowz modelingdem
spellingShingle I Nengah Sinarta
Putu Ika Wahyuni
Analysis of Debris Flow Potential With Flow Modeling on The Mount Abang Slopes, Kintamani, Bali.
Media Komunikasi Teknik Sipil
debris flow
dflowz modeling
dem
title Analysis of Debris Flow Potential With Flow Modeling on The Mount Abang Slopes, Kintamani, Bali.
title_full Analysis of Debris Flow Potential With Flow Modeling on The Mount Abang Slopes, Kintamani, Bali.
title_fullStr Analysis of Debris Flow Potential With Flow Modeling on The Mount Abang Slopes, Kintamani, Bali.
title_full_unstemmed Analysis of Debris Flow Potential With Flow Modeling on The Mount Abang Slopes, Kintamani, Bali.
title_short Analysis of Debris Flow Potential With Flow Modeling on The Mount Abang Slopes, Kintamani, Bali.
title_sort analysis of debris flow potential with flow modeling on the mount abang slopes kintamani bali
topic debris flow
dflowz modeling
dem
url https://ejournal.undip.ac.id/index.php/mkts/article/view/37157
work_keys_str_mv AT inengahsinarta analysisofdebrisflowpotentialwithflowmodelingonthemountabangslopeskintamanibali
AT putuikawahyuni analysisofdebrisflowpotentialwithflowmodelingonthemountabangslopeskintamanibali