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Journal : U Karst

Mapping of Landslide Susceptible Zones by Using Frequency Ratios at Bluncong Subwatershed, Bondowoso Regency Didik Efendi; Entin Hidayah; Akhmad Hasanuddin
U Karst Vol 5, No 1 (2021): APRIL
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3894.744 KB) | DOI: 10.30737/ukarst.v5i1.1455

Abstract

Landslides are the disasters that frequently happen in Bluncong sub-watershed. These incidents have caused damage and malfunction of road infrastructure, bridges, and irrigation buildings. Therefore, it is important to anticipate landslides through mapping of landslide-susceptibility areas The objective of this study is to map landslide susceptibility at Bluncong sub watershed, Bondowoso, by using Geographical Information System and remote sensing. The landslide susceptibility analysis and mapping are conducted based on landslide occurrences with the Frequency Ratio approach. The landslide sites are identified from field survey data interpretation. Digital Elevation Model maps, geological data, land uses and rivers data, and Landsat 8 images are collected, processed, and then built into the GIS platform's spatial database. The selected factors that cause landslide occurrences are land use, distance to river, aspect, slope, elevation, curvature, and the vegetation index (NDVI). The results show that the accuracy of the map is acceptable. The frequency ratio model gained the area under curve (AUC) value of 0.79. It is found that 9.08% of the area has very high landslide susceptibility. Local governments can use this study's mapping results to minimize the risk at landslidesusceptible zones
Mapping of Landslide Susceptible Zones by Using Frequency Ratios at Bluncong Subwatershed, Bondowoso Regency Didik Efendi; Entin Hidayah; Akhmad Hasanuddin
U Karst Vol. 5 No. 1 (2021): APRIL
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/ukarst.v5i1.1455

Abstract

Landslides are the disasters that frequently happen in Bluncong sub-watershed. These incidents have caused damage and malfunction of road infrastructure, bridges, and irrigation buildings. Therefore, it is important to anticipate landslides through mapping of landslide-susceptibility areas The objective of this study is to map landslide susceptibility at Bluncong sub watershed, Bondowoso, by using Geographical Information System and remote sensing. The landslide susceptibility analysis and mapping are conducted based on landslide occurrences with the Frequency Ratio approach. The landslide sites are identified from field survey data interpretation. Digital Elevation Model maps, geological data, land uses and rivers data, and Landsat 8 images are collected, processed, and then built into the GIS platform's spatial database. The selected factors that cause landslide occurrences are land use, distance to river, aspect, slope, elevation, curvature, and the vegetation index (NDVI). The results show that the accuracy of the map is acceptable. The frequency ratio model gained the area under curve (AUC) value of 0.79. It is found that 9.08% of the area has very high landslide susceptibility. Local governments can use this study's mapping results to minimize the risk at landslidesusceptible zones
Co-Authors Adiningsih, Teeusa Cahyani Afandi, Yulianata Halim Afifah Izza Farisa Agusty Maulana Bramasta Ahmad Fikri Alfin Kristyanto Alvina Praha Laili Al’Adilah Andini Wihenda Lafatza Anik Ratnaningsih Anita Trisiana Anshori, Nur Fahmi Asa Dina Safitri Aurelia Zara Adela BIMA SETIAWAN Brigida Abreu Freitas de Almeida Darmawan, Ahmad Reza Daud Rosyid Rahardjo Al Muntsari Devita Sari Diana, Iffah Lubna Didik Efendi Dwi Ayu Lestari, Dwi Ayu Lestari Dwi Nurtanto Entin Hidayah Gholiqul Amrodh Alawy Herdianto, Iwan Hermansa, Richo Hernu Suyoso Inas Ade Zahra Indra Nurtjahjaningtyas Kamila Wahidaturrohmah Krisnamurti Lestari, Agustina Tri Luthfi Amri Wicaksono Makaingat, Syaulla Nefertity Maliq, Tatang Maulana Metasari, Devi Yulita Muhamad Fatkhur Rohman Muntsari, Daud Rosyid R.A. Muntsari, Daud Rosyid Rahardjo Al Mutiah, Asna Malikhatul Nara Maika Putri, Nara Maika Nunung Nuring Hayati Nur Azizah Nuriyana, Khotami Sinta Paksitya Purnama Putra Ratih Novi Listyawati Rindang Alfiah Riska Rismawati, Riska Riyana Aleyda Ayu Riza Millatul Aminin Rizka Septy Amaliyah Rizki Hippriyanti Dewi, Rizki Hippriyanti Rizqi Eka Faiqatul Maghfiroh Rossy Marcianus Reggar, Rossy Marcianus Rr. Dewi Junita Koesoemawati Saputro, Muhammad Yusuf Eko Sela Marselina Silfi Galuh Navitasari Sofyan Sauri, Sofyan Sonya Sulistyono Sri Sukmawati Sri Sukmawati Sri Wahyuni Sulistyono , Sonya Swandari, Tintany Syaripin Tatang Maulana Tintany Swandari Willy Kriswardhana Wiwik Yunarni Widiarti Wulida Putri Romadona Yahya Kurniawan yahya, Ahmad Amir Zahra Hikmah Hayati Zahro, Puteri Khodijatuz