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Journal : International Journal for Disaster and Development Interface

Multi Hazard Analysis of Ponorogo Regency Disaster Based on Geographic Information System Bayu Fikri Hanafi; Kuswaji Dwi Priyono
International Journal for Disaster and Development Interface Vol. 3 No. 1 (2023): April 2023
Publisher : Amcolabora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53824/ijddi.v3i1.41

Abstract

Ponorogo regency has dangers to several types of disasters such as floods, landslides, tornadoes, land fires, and droughts. Based on data from BNPD from the period 2000 - 2020, Ponorogo Regency has experienced 123 landslides, and 39 flood disasters. The approach used in this study is multi-hazard disaster. The purpose of the study is 1.) Analyze the spread of flood hazard levels in Ponorogo Regency. 2.) Analyze the spread of the danger level of landslide disasters in Ponorogo Regency.3.) Analyze the distribution of disaster hazard levels in Ponorogo Regency using a multi hazard index. The research methods conducted in this study are stacking and improvement, while for multi-hazard modeling of disasters using VCA tables. Data processing in this study is divided into 3 stages, namely parameter data processing, disaster hazard data modeling, and multi-hazard disaster modeling. The accuracy test is conducted on the usage data, and the sampling method is a random sampling method. Validation tests were conducted on data from modeling the hazards of floods and landslides. The results of this study are a disaster parameter data map, a flood hazard map, a landslide hazard map, and a multi-hazard disaster map. Based on the results of modeling, multi-hazard disaster has an area that is low hazard class has the widest area of 90,773.55 Ha (65%), The moderate hazard class has an area of 45,438.55 Ha (33%). The high hazard class has an area of 2,957.56 Ha (12%). The multi-hazard class is determined by the result of a combination of landslide and flood hazard classes, for example the combination of low and high hazard classes will produce a moderate hazard class. Therefore, the distribution of areas from the multi-hazard class of disasters is greatly influenced by the distribution of areas of both types of disasters.
Analysis of Flood-Prone Areas on Bekasi River Watershed Wijaya, Sri Rasa Nugra Santana; Priyana, Yuli; Priyono, Kuswaji Dwi
International Journal for Disaster and Development Interface Vol. 3 No. 2 (2023): October 2023
Publisher : Amcolabora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53824/ijddi.v3i2.57

Abstract

Das Kali Bekasi is an area that has physical conditions that support the occurrence of local and natural flood disasters during the rainy season. This research aims to: (1) Determine the distribution of floodprone areas in the Bekasi River Watershed, (2) Find out the most dominant factors of flood vulnerability that occur in the Bekasi River Watershed. The method used in the research is quantitative descriptive analysis. Analyze the data to determine the distribution area prone to flooding by weighting scoring and overlaying rainfall, land use, slope, soil type, and river density. To find out the dominant factors that cause flood vulnerability, a correlation test is used. The results of the research are (1) Flood vulnerability in the Bekasi river basin, based on the results of this research, is divided into 3 classes, namely the not vulnerable class with an area of 82.61 Km² (5.93%), the moderately vulnerable class with an area of 323.85 Km² (23, 26%), very vulnerable class with an area of 985.96 Km² (70.81%). (2) Correlation test to determine the dominant factor causing flooding in the Bekasi River basin and it is known that the dominant factor is the slope parameter, followed by the river density parameter, soil type parameter, land use parameter, and rainfall parameter with the lowest correlation value.
Co-Authors - Priyono ., Muhtadi A.A. Ketut Agung Cahyawan W Adinda Putri Andayani Agus Anggoro Sigit Agus Triyono Agus Ulinuha Aktaviani, Hariza Afia Alif Noor Anna Alpha Febela Priyatmono Ambarwati Ambarwati, A Arif Jauhari Arif Jauhari Arif Jauhari Arif Rohman Audi, Fresilia Bayu Fikri Hanafi Choirul Amin Chusniatun Chusniatun Chusniatun Chusniatun Dahroni Dahroni Dahroni Dahroni, Dahroni Damayanti, Elok Danang Nugroho Danardono Danardono Danardono, Danardono Dewi Novita Sari Djaka Marwasta Dwi Linna Suswardany Efri Roziaty Fayiz Anvanca Mubarok Fikriyah, Vidya N. Gabriel Temidayo Adekunle Gayuh Aji Prasetyaningtiyas Hamim Zaky Hadibasyir Herry Purnama Ihwan Susila indah marlina ardianti Indrawati Indrawati Indrawati Indrawati J Jumadi Jumadi, J Junun Sartohadi Kamila Rahma, Tara Kiat, Umar El Izzudin Kun Harismah Listyana Ardhi Rachmawati Lotfata, Aynaz M. Musyiyam M. Musyiyam, M. Maisy Putri Lestari Masruroh, Heni Muhammad Arif Syaifudin Muhammad Eryan Anindyaputra Muhammad Najib Azhom Muhtadi Muhtadi Muhtadi Muhtadi Munawar Cholil Nawaz, Muhammad Nilawan Apriani Nirma Lila Anggani Nurhasan Nurhasan Nurhasan Nurhasan, Nurhasan Olalekan Akeem Alausa Oluwayemisi Shade Adaradoun Ongky Fernanda P Priyono, P Priyono Priyono Priyono Priyono Priyono Priyono Priyono Qomarun Qomarun Restu Dagi Utami Retno Woro Kaeksi Retno Woro Kaeksi Retno Woro Kaeksi, Retno Woro Rohman Hakim, Rohman Rois Fatoni Rusdin Rauf S Sudibyakto S Suharjo S Sunarto Sartono Putro Sattar, Farha Siti Azizah Susilawati Sudibyakto, S Sugiharto Budi Santoso Sugiharto Budi Santoso, Sugiharto Budi Suharjo Suharjo Suharjo Suharjo Sunarhadi, M. Amin Sunarto, S Suranto Suranto Teresita Oktavia Rosari Tjipto Subadi Tomi Yoga Wasiso Totok Budi Santosa Totok Budi Santosa, Totok Budi Ulayya Almast Nabila Wahyu Budiati Wibowo, Afif Ari Wibowo, Arif Ari Wijaya, Sri Rasa Nugra Santana Wiryatmoko, Jarot Wisnu Setiawan Yuli Priyana Yunita Surastuti