2022
DOI: 10.23887/jjpg.v10i2.43541
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Pemetaan Tingkat Bahaya Bencana Tsunami Menggunakan Sistem Informasi Geografis di Pesisir Kota Bengkulu

Abstract: Provinsi Bengkulu merupakan daerah dengan potensi tsunami yang tinggi, khususnya di Kota Bengkulu. Hal ini disebabkan oleh letak wilayah Bengkulu yang berdiri tepat di atas kawasan subduksi Lempeng Eurasia dan Indo Australia dengan pergerakan cukup besar. Pergerakan lempeng tersebut menyebabkan Kota Bengkulu sering kali mengalami gempa bumi jenis tektonik. Menurut data historis yang tercatat, Kota Bengkulu umumnya mengalami kejadian gempa bumi dengan kekuatan di atas 7 SR yang dapat menimbulkan bahaya ikutan b… Show more

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Cited by 3 publications
(6 citation statements)
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“…The results of the calculation of the frequency ratio analysis in the altitude class show that the class 0-200 meters above sea level has a high probability of flooding in the Paremang Watershed compared to other altitude classes. Floods that occur in low altitude areas because areas with low elevation tend to get water runoff when it rains, given the nature of water flowing from high areas to lower areas [14]. The validation results obtained the AUC value for the model success rate of 0.975 and the AUC value for the prediction level of the model has a value of 0.974 (Figure 5).…”
Section: Elevationmentioning
confidence: 96%
“…The results of the calculation of the frequency ratio analysis in the altitude class show that the class 0-200 meters above sea level has a high probability of flooding in the Paremang Watershed compared to other altitude classes. Floods that occur in low altitude areas because areas with low elevation tend to get water runoff when it rains, given the nature of water flowing from high areas to lower areas [14]. The validation results obtained the AUC value for the model success rate of 0.975 and the AUC value for the prediction level of the model has a value of 0.974 (Figure 5).…”
Section: Elevationmentioning
confidence: 96%
“…Meanwhile, areas with a very safe level of vulnerability are only found in Talang Empat Sub-district. The area along the coastline of Bengkulu City is dominated by a elevation of 0-10 m, so it is classified as a high danger zone for tsunami disasters [21]. Meanwhile, areas with land elevation of >15 m are found in the eastern part of Bengkulu City which is away from the coastline.…”
Section: Land Elevationmentioning
confidence: 99%
“…Areas with land slopes of 15 to >40% are found in most areas of Bengkulu City which are far from the coast. The coast of Bengkulu City is dominated by flat and sloping areas, while land slopes >25% (very steep) or areas with very low danger zones will only be in the eastern part of Bengkulu City [21].…”
Section: Land Slopementioning
confidence: 99%
“…ArcGIS merupakan perangkat lunak kompilasi dari berbagai fungsi macam perangkat lunak GIS [8]. Kelebihan ArcGIS tidak hanya untuk pembuatan peta saja namun juga dapat digunakan untuk menganalisis, mengolah data spasial, dan juga memodelkan data.…”
Section: Pendahuluanunclassified
“…Kelebihan ArcGIS tidak hanya untuk pembuatan peta saja namun juga dapat digunakan untuk menganalisis, mengolah data spasial, dan juga memodelkan data. Penggunaan aplikasi ArcGIS yang sangat kompleks masih menyulitkan para pengajar pada saat mengoperasikan dan memahami aplikasi ArcGIS [8]. Teknologi informasi geospasial ArcGIS dapat dimanfaatkan untuk tujuan-tujuan tertentu.…”
Section: Pendahuluanunclassified