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All Journal Jurnal Pembangunan Wilayah dan Kota INDONESIAN JOURNAL OF APPLIED PHYSICS Syntax Literate: Jurnal Ilmiah Indonesia Jurnal Litbang: Media Informasi Penelitian, Pengembangan dan IPTEK Social, Humanities, and Educational Studies (SHEs): Conference Series Jurnal Riset Rekayasa Sipil SEMAR Indonesian Journal of Environment and Disaster Geadidaktika GeoEco Geosfera Indonesia Jurnal Pendidikan Fisika Indonesia
Wijayanti, Pipit
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Humanities Astronomy Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Social Sciences Other

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ANALYSIS OF KARST ROCK DESERTIFICATION IN THE TROPICAL KARST REGION OF GUNUNG SEWU, TEPUS, GUNUNGKIDUL Muzaqi, Fathi; Wijayanti, Pipit
GeoEco Vol 11, No 2 (2025): GeoEco July 2025
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ge.v11i2.102418

Abstract

This study investigates the spatial dynamics of Karst Rock Desertification in the tropical karst region of Tepus District, Gunungkidul Regency, using Sentinel-2A imagery and remote sensing indices including NDVI, NDRI, FVC, and Fr. Although various studies have examined KRD in different karst regions using NDVI or NDRI individually, few have integrated multiple indices to capture both vegetation degradation and rock exposure simultaneously. Moreover, most previous studies rely on medium-resolution imagery like Landsat, which limits spatial detail, and rarely focus on the tropical karst of Indonesia. KRD, characterized by soil degradation and vegetation loss in karst landscapes, poses significant ecological threats due to its rapid and often irreversible impacts. The research employed a quantitative descriptive method combined with spatial-temporal analysis using Google Earth Engine and ArcGIS to assess land cover changes between 2019 and 2024. The analysis focused on identifying rock desertification by utilizing NDVI with FVC and the NDRI with FR. Field observations validated these findings, showing clear distinctions in soil depth and vegetation between degradation levels. The results showed significant changes in vegetation cover and rock exposure between 2019 and 2024. The Non-Rocky Desertification area decreased from 25.65% to 9.39%, while the Potential Rocky Desertification zone increased from 73.75% to 90.12%. In terms of vegetation, the “Nothing” category rose from 6.42% to 2.51%, while Moderate vegetation cover declined from 23.20% to 23.51%, and Extremely Severe decreased from 9.68% to 19.11%. These findings indicate that approximately 40% of the study area is now affected by moderate to severe desertification, emphasizing the urgent need for conservation and sustainable land management. The study highlights the critical role of vegetation management and sustainable land use to curb the advancement of desertification. These findings contribute to understanding karst ecosystem vulnerability and inform future ecological restoration strategies.
SPATIAL DISTRIBUTION OF TOPONYMY IN KARST AREAS GIRITONTRO Wijayanti, Pipit; Widiyanti, Baiq Liana; Noviani, Rita; Nursaly, Baiq Rismarini
GeoEco Vol 10, No 1 (2024): GeoEco January 2024
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ge.v10i1.81421

Abstract

Every object in the form of an earth element or man-made feature has a name with various origins. The origins of place names can be categorized based on geography, history, folklore/culture and language so that their spatial distribution can be known. This research explores the spatial distribution of the origins of naming earth elements and man-made features in the Giritontro District. The study begins by identifying the aspects of the earth's appearance and man-made features and then finding the meaning of naming each identified element. Data collection was carried out using in-depth interviews. Determining the sources used the snowball sampling method. The results of the research show that the toponymically identified objects are dominated by man-made features with a spatial distribution of 92% in Giritontro Village, 72% in Pucanganom Village, 52% in Tlogosari Village and 78% in Jatirejo Village. The remainder is dominated by the earth's elements of the Karst Area, such as caves, hills, and springs, with a spatial distribution of Bayemharjo Village at 63%, Ngargojarjo at 53% and Tlogoharjo Village at 66%. Meanwhile, the spatial distribution of toponymy in Giritontro District, whose origin is dominated by language, is known to be spread across Giritontro District with a percentage of 60%. Apart from that, the toponymy found was predominantly geographically dispersed across Pucanganom Village with a portion of 40%, Tlogosari Village at 60%, Jatirejo Village at 61%, Bayemharjo Village at 61%, Ngargoharjo Village at 57% and Tlogoharjo Village 46%. The geographical conditions referred to are those attached to the object or the object's proximity to geographical things (associations) which are dominant in the Karst Area. 
DEVELOPMENT OF AUGMENTED REALITY-BASED LEARNING BOOKS TO IMPROVE STUDENT PREPAREDNESS FOR LANDSLIDE DISASTERS AT SMA NEGERI 1 KERJO, KARANGANYAR REGENCY Ronggowulan, Lintang; Wijayanti, Pipit; Utomowati, Rahning; Tjahjono, Gentur Adi; Rahmi, Ardia Tiara; Puspitasari, Dwi
GeoEco Vol 12, No 1 (2026): GeoEco January 2026
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ge.v12i1.106685

Abstract

Student preparedness in facing landslide disasters is an important aspect in disaster risk reduction in educational units. However, disaster learning in secondary schools is still dominated by conventional teaching materials that lack visualization and have not been optimally integrated with the Disaster Safe Education Unit Program (SPAB). This study aims to develop SPAB-based textbooks equipped with Augmented Reality (AR) technology to improve students' understanding and preparedness for landslide disasters. The study used the Research and Development (R&D) method with the ADDIE model. The research subjects consisted of 32 students of Class XII. F7 SMA Negeri 1 Kerjo. The research instrument used validation by material experts and media experts. Based on the research results, it can be concluded that the Disaster Safe Education Unit (SPAB)-based learning book enriched with Augmented Reality (AR) technology is declared feasible and effective for use in landslide disaster mitigation learning. The validation results showed a score of 79.2 from material experts and 80 from media experts, both of which are in the feasible category. Effectiveness testing on 32 students showed improved learning outcomes, with an average score increasing from 56.2 in the pretest to 83 in the posttest, and an N-Gain value of 56%, which is considered quite effective. These findings confirm that integrating SPAB-based textbooks with AR visualizations can significantly improve students' understanding and preparedness, while also serving as an alternative, innovative learning medium relevant to disaster education in schools.  
Co-Authors Ahmad Ahmad Al Rosyid, Muhammad Faruq Aprilia, Ananda Aryono, Ichwan Baiq Liana Widiyanti Baiq Rismarini Nursaly, Baiq Rismarini Chatarina Muryani Dhani Pratiwi, Imasti Dimaya, Nazla Safa Dwandaru, Wipsar Dwi Ardiana Setyawardhani, Dwi Ardiana Dwi Puspitasari Dwijayanti, Septiani Ari Gery, Fabian Handayani, Tri Rejeki Insih Wilujeng Khoirunnisa, Hanin Koesuma, Sorja Lintang Ronggowulan Maghfiroh, Alfi Mahdi, Imam Marfu'ah, Istiyanti Nur Mohammad Gamal Rindarjono, Mohammad Gamal Muzaqi, Fathi Ni’matussyahara, Dannis Novani, Rita Noviandini, Rina Trie Nugraini, Niken Tri Nugroho, Albertus Erico Jerry Krisna Pradani, Mistika Ayu Pratama, Dhimas Rizkhy Pratiwi, Imasti Dhani Rahmi, Ardia Tiara Ramadhan, Haqul Fikri Rindarjono, Moh Gamal Rita Noviani, Rita Robbani, Shalahuddin Jundi Sagito, Rizaldy Himy Saputra, Aditya Eka Sayudin, Sayudin Setya Nugraha Sholeh, Sofyan Singgih Prihadi Siti Azizah Susilawati Sukmawati, Sekar Ayu Tandiga, Yahya Dion Tiara Rahmi, Ardia Tjahjono, Gentur Adi Utami, Siska Dwi Utomowati, Rahning Widyantoro, Hanan Sri Yasin Yusup Zamani, Muhammad Zaki Zuraiza, Karimatuz