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Nofrohu Retongga
Universitas Teknologi Sumbawa
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation

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Journal : Journal of Applied Geospatial Information

 1 
Landslide Intensity and Potential Based on Geomorphology and Their Relationship to the Stadia Level of The Karanggayam River, Kebumen Regency, Central Java Province, Indonesia Nofrohu Retongga; Muhammad Haikal Razi; Sayidatina Hayatuzzahra; Aghib Dirgantara; Samsun Samsun; M Haris
Journal of Applied Geospatial Information Vol 8 No 1 (2024): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jagi.v8i1.7305

Abstract

Landslides are disasters, with a high incidence in the Kebumen Regency area. The Kebumen Regency Regional Disaster Management Agency (BPBD) recorded that from 2011 to 2020, there were 1,335 disaster events, 477 events (35.7%) were landslides, and most landslides occurred in Karanggayam District with a total of 43 disaster events, which is the number one landslide incident in Kebumen Regency. Landslides also occurred at several points along the Karanggayam River. The research method consists of three stages: a literature study, surface geological mapping, and field data processing. The strength and potential of landslides are connected to geomorphological conditions, which include morphology, morphogenesis, and morphoassociation. This is shown by field research results, geomorphological data analysis, and Karanggayam River stage data. The mature river stage level in the study area affects the strength and possibility of landslides caused by lateral erosion on the outer bend slopes of the river. These slopes are steep, have thick soil, less resistant rock types, and few to moderate plants.
The Relationship Between Morphology, Morphogenesis and Morphotectonics Potential for Flood Disasters in the Karanggayam Area, Kebumen Regency, Indonesia Retongga, Nofrohu; Razi, Muhammad Haikal
Journal of Applied Geospatial Information Vol. 8 No. 2 (2024): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jagi.v8i2.7710

Abstract

The Regional Disaster Management Agency (BPBD) of Kebumen Regency recorded that from 2011 to 2020 there were 1,335 disaster events, 154 (11.5%) of which were flood disasters. There were eight flood disasters in Karanggayam District were 8 incidents. This research method consists of four stages: literature study, field observation and mapping, analysis of morphology, morphogenesis, and morphotectonics, and analysis of the relationship between morphology, morphogenesis, morphotectonics, and flood potential. The potential for flood disasters is related to the morphological aspects, morphogenesis, and morphotectonics as controlling factors for flood disasters in the research area. Based on the potential for flood disasters in the research area, it is necessary to carry out non-structural mitigation in the research area. Appropriate nonstructural mitigation of flood disasters based on field facts, such as installing an early warning system for flood disasters, having evacuation routes and signs pointing to evacuation routes, socializing flood disasters, and installing warning boards in areas prone to flood disasters to minimize the risk of flood disasters in the Karanggayam area.
Co-Authors Abdurrahman Saputra Adella Ulyandana Jayatri Aghib Dirgantara Aghib Dirgantara Agus Munandar Agus Munandar, Agus Agustin, Friska Ahmad Husnul Fiqri Akbar, Rizky Alfal Gilang Ramadhan Andika Gerardus Oratmangun Andriansyah, Rian Andyono Broto Santoso Anjani, Dito Fatria Anwar, Ardian Aqmal Septian Hakim Ardian Anwar Arie Noor Rakhman Atikah Zahidah Atikah Zahidah Bayu Syakiran Budiman Budiman Dandy Firdiansyah Diana Septiani Roos Dwi Indah Purnamawati, Dwi Indah Efrat N Nainggolan Emi Prasetyawati Umar Firdaus Frida Rosidatul Mu’awanah Friska Agustin Friska Agustin Hayatuzzahra, Sayidatina Indah Aprianti Jayatri, Adella Ulyandana L. Muh. Fathur Rizki Landy Pratono Lia Alfianita M Haris M. Haris M. Haris Marolop P Pangaribuan Muhammad Haikal Razi Muhammad Haikal Razi Muhammad Jihad Muhammad Rivai Nainggolan, Efrat N Nur Widi Astanto Agus Tri Heri Nuraga, Welly Handa Nurhikmah Putri Wijaya Oan Marcello Lukas Watania Popi Jolia Salia Prasetyawati Umar, Emi Pratono, Landy Putri Wijaya, Nurhikmah Ramadhan, Ilfan Prabu Razi, Muhammad Haikal Rian Andriansyah Rio Bagas Saputa Rita Desiasni Rizaldi Rizaldi Rizky Syaputra Rohmad Bagus Abadi Safitra, Roby Mardiyan Samsun Samsun Saputa, Rio Bagas Sayidatina Hayatuzzahra Syaputra, Rizky Veri Irshapratama Wawan Darmawan Winnugroho Wiratman, Manfaluthy Hakim, Tiara Aninditha, Aru W. Sudoyo, Joedo Prihartono Zahidah, Atikah Zahratunnisa, Zahratunnisa