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All Journal Jurnal Pembangunan Wilayah dan Kota Syntax Literate: Jurnal Ilmiah Indonesia Indonesian Journal of Environment and Disaster Geosfera Indonesia Jurnal Pendidikan Fisika Indonesia
Wijayanti, Pipit
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Humanities Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences Other

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Landslide Hazard Mapping using Weight Overlay Based-GIS with Multi-criteria Evaluation Techniques in Tawangmangu District, Indonesia Wijayanti, Pipit; Sholeh, Sofyan; Muzaqi, Fathi
Geosfera Indonesia Vol. 10 No. 1 (2025): GEOSFERA INDONESIA
Publisher : Department of Geography Education, University of Jember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/geosi.v10i1.44539

Abstract

Landslides are natural events that can be worsened by human activities, leading to significant destruction of life and property. In Tawangmangu District, situated on the slopes of Mount Lawu, the landslide risk is amplified due to factors such as volcanic soil, steep terrain, and high rainfall. This research seeks to map landslide hazards in the area by utilizing a Geographic Information System (GIS) and the Analytical Hierarchy Process (AHP), combining both static and dynamic factors contributing to landslide occurrences. The study considers seven critical factors: slope, distance from roads, geology, land use, soil type, rainfall, and proximity to geological faults. Expert opinions are used to assign weights to these factors, which are then integrated into a GIS model to assess susceptibility to landslides. The area is classified into five risk zones. The results show that 21.97% of the region faces high and very high risks, while 39.57% is moderately vulnerable. The highest-risk areas are those with steep slopes and significant human activity, such as road construction and land-use changes for tourism. Model validation, comparing the predicted landslide zones with actual landslide locations, shows that over 75% of landslides occurred in high and very high-risk areas, confirming the model's accuracy. This study underscores the importance of sustainable land use planning, effective infrastructure management, and vegetation preservation in reducing landslide risks. Future mitigation efforts should focus on monitoring land use changes, strengthening vulnerable infrastructure, and enhancing early warning systems to minimize further landslide damage in the region.  
Analysis of Urban Form Dynamics in The Suburbs of Surakarta City 2013-2023 Marfu'ah, Istiyanti Nur; Novani, Rita; Wijayanti, Pipit; Susilawati, Siti Azizah
Geosfera Indonesia Vol. 9 No. 2 (2024): GEOSFERA INDONESIA
Publisher : Department of Geography Education, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/geosi.v9i2.44499

Abstract

Urban Form has become necessary for city planning management to see the sustainability of a city. A better understanding of different urban forms is imperative to facilitate the evolution of cities towards a more sustainable urban development trajectory in the future. The study aims to analyze the dynamics of urban form and the changes in land cover within the peri-urban area of Surakarta City, which is directly influenced by the development of Surakarta City. The analysis was conducted from a landscape ecology perspective, employing a spatial metrics approach at the landscape level to assess the dynamics of urban form using quantitative descriptive, including a spatial approach. A similar approach was adopted at the class level in order to examine the dynamics of land cover changes. The results of the image analysis were validated using the Kappa index, yielding an image accuracy level of 0.86 (86%). The results of this study show that the urban form in the peri-urban area of Surakarta City tends to move towards a compact urban form. Meanwhile, each land cover, vegetation, and water body become increasingly fragmented, with areas becoming narrower as time passes. Built-up and agricultural land are becoming more compact and concentrated along with development. In conclusion, the dynamics of urban form in the peri-urban area of Surakarta City tends to lead to compact urban form.
Landslide Hazard Mapping using Weight Overlay Based-GIS with Multi-criteria Evaluation Techniques in Tawangmangu District, Indonesia Wijayanti, Pipit; Sholeh, Sofyan; Muzaqi, Fathi
Geosfera Indonesia Vol. 10 No. 1 (2025): GEOSFERA INDONESIA
Publisher : Department of Geography Education, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/geosi.v10i1.44539

Abstract

Landslides are natural events that can be worsened by human activities, leading to significant destruction of life and property. In Tawangmangu District, situated on the slopes of Mount Lawu, the landslide risk is amplified due to factors such as volcanic soil, steep terrain, and high rainfall. This research seeks to map landslide hazards in the area by utilizing a Geographic Information System (GIS) and the Analytical Hierarchy Process (AHP), combining both static and dynamic factors contributing to landslide occurrences. The study considers seven critical factors: slope, distance from roads, geology, land use, soil type, rainfall, and proximity to geological faults. Expert opinions are used to assign weights to these factors, which are then integrated into a GIS model to assess susceptibility to landslides. The area is classified into five risk zones. The results show that 21.97% of the region faces high and very high risks, while 39.57% is moderately vulnerable. The highest-risk areas are those with steep slopes and significant human activity, such as road construction and land-use changes for tourism. Model validation, comparing the predicted landslide zones with actual landslide locations, shows that over 75% of landslides occurred in high and very high-risk areas, confirming the model's accuracy. This study underscores the importance of sustainable land use planning, effective infrastructure management, and vegetation preservation in reducing landslide risks. Future mitigation efforts should focus on monitoring land use changes, strengthening vulnerable infrastructure, and enhancing early warning systems to minimize further landslide damage in the region.  
Co-Authors Aprilia, Ananda Aryono, Ichwan Chatarina Muryani Dhani Pratiwi, Imasti Dwandaru, Wipsar Dwijayanti, Septiani Ari Gery, Fabian Insih Wilujeng Khoirunnisa, Hanin Mahdi, Imam Marfu'ah, Istiyanti Nur Muzaqi, Fathi Novani, Rita Nugraini, Niken Tri Nugroho, Albertus Erico Jerry Krisna Pradani, Mistika Ayu Pratama, Dhimas Rizkhy Rita Noviani, Rita Sagito, Rizaldy Himy Sholeh, Sofyan Siti Azizah Susilawati Tiara Rahmi, Ardia Tjahjono, Gentur Adi Utami, Siska Dwi Utomowati, Rahning Zamani, Muhammad Zaki