Vol. 40 No. 2 (2026): August 2026

Published: 2026-04-21

Open AccessResearch Article
Pages 178-196
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Integration of Topography Map and Land Use Change Modeling for Sustainable Tourism Development in Merapi Volcano, Indonesia
by Syamsul Bachri, Sandy Budi Wibowo, Sunardi Sunardi, Franck Lavigne, Sumarmi Sumarmi, Mellinia Regina Heni Prastiwi, A Riyan Rahman Hakiki, Tabita May Hidiyah, Nanda Regita Cahyaning Putri
Forum Geografi2026178-196DOI: 10.23917/forgeo.12924
Abstract Indonesia, as the country with the highest number of active volcanoes worldwide, faces significant challenges from volcanic hazards. Mount Merapi, one of the most active volcanoes, is surrounded by intensive tourism and residential development, which increase the region’s vulnerability. This study integrates DEMNAS-based topographic analysis and the Land Change Modeler (LCM) with the Multi-Layer Perceptron (MLP)–Markov Chain…Read More
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Open AccessResearch Article
Pages 197-212
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From Farmland to Housing: Assessing the Consequences of Agricultural Land Conversion for Farmers’ Welfare and Food Security
by Lalu Teguh Suganda, Jawoto Sih Setyono
Forum Geografi2026197-212DOI: 10.23917/forgeo.12300
Abstract Rapid conversion of agricultural land into housing challenges rural livelihoods and food security in many developing countries; however, its implications for agrarian injustice remain underexplored. This study investigates how unjust agricultural land conversion affects farmers’ welfare and household food insecurity in Kediri Subdistrict, West Lombok, Indonesia. Unjust agricultural land conversion relates to unequal land…Read More
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Open AccessResearch Article
Pages 213-227
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An Evaluation of Phosphorus Control Interventions through a Multi-Scenario Approach to Controlling Eutrophication in Lake Rawapening Indonesia
by Iwan Rhosadi, Djati Mardiatno, Muhammad Anggri Setiawan, Dimas Maula Hayat
Forum Geografi2026213-227DOI: 10.23917/forgeo.16151
Abstract Eutrophication triggered by excessive nutrient loading has become a major driver of lake degradation in many parts of the world. Lake Rawapening is one of Indonesia’s national priority lakes for environmental restoration and has experienced eutrophic conditions progressing toward a hypertrophic state due to high phosphorus loads (P-load) and total phosphorus concentrations (TP-C). Despite the implementation of lake…Read More
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Open AccessResearch Article
Pages 228-243
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Estimation of Rice Chlorophyll Content in Salt-Affected Soils Using UAV-Based Multispectral Sensing
by Juhadi, Fajar Dwi Handoko, Eva Banowati, Tjaturahono Budi Sanjoto, Vina Nurul Husna
Forum Geografi2026228-243DOI: 10.23917/forgeo.16868
Abstract The decline in rice productivity in coastal areas is often associated with agricultural land salinization. Chlorophyll, as an indicator of plant health, can be monitored using remote sensing technology. This study aims to evaluate the capability of multispectral UAV imagery to estimate rice chlorophyll content and compare the effectiveness of several vegetation indices in saline coastal paddy fields. Data were collected over…Read More
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Open AccessResearch Article
Pages 244-259
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Multi-decadal Shoreline Change and Salt Production Exposure in Cirebon, Indonesia: A Cloud Geospatial and Transect-Based Analysis (1995–2025)
by Anang Widhi Nirwansyah, Dimara Kusuma Hakim, Ana Andriani, Ismail Demirdag, Shreema Rana
Forum Geografi2026244-259DOI: 10.23917/forgeo.16748
Abstract Coastal salt farming in the Global South is mainly situated in in low-lying intertidal plains, where shoreline migration and morphodynamic variability can quickly manifest as a loss of productive space and disruption of salt-pan infrastructure. In this study, we quantify multi-decadal shoreline change along the Indonesian Cirebon coast during the period 1995–2025 and delineate critical exposure corri-dors where either…Read More
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Open AccessResearch Article
Pages 260-276
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Assessing Landslide Susceptibility in Batu City, Indonesia: A Machine Learning Approach Using Google Earth Engine
by Muhardi Muhardi, Adi Susilo, Eko Andi Suryo, Yoga Satria Putra, Muwardi Sutasoma, Rahmat Faizal, Nur Aini Gama Lestari, Rony Prianto Nugraha, Andy Anderson Bery, Muhammad Fathur Rouf Hasan
Forum Geografi2026260-276DOI: 10.23917/forgeo.15658
Abstract This study aims to map landslide susceptibility in Batu City, East Java Province, Indonesia, using machine learning on the Google Earth Engine platform. Five algorithms were used: random forest (RF), classification and regression trees, support vector machine, gradient tree boosting, and k -nearest neighbors. Landslide susceptibility data were collected from 276 sample points, comprising 138 landslides and 138…Read More
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Open AccessReview Article
Pages 277-295
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Local Climate Zones in Tropical Urban Environments: A Review
by Jamal Harimudin, Lam Kuok Choy, Frankie Marcus Ata
Forum Geografi2026277-295DOI: 10.23917/forgeo.13119
Abstract Local climate zones (LCZs) were originally proposed to redefine the rural–urban dichotomy, while providing a standardised framework for urban heat island (UHI) studies worldwide. The UHI phenomenon, characterised by rising land surface temperature (LST), particularly in urban areas, has become a global urban environmental issue. At the same time, experts project that cities in tropical macroclimate regions will experience…Read More
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Open AccessReview Article
Pages 296-311
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Opportunities for Optimising the CORS Network in Uzbekistan: Proposals Based on Bibliometric Analysis
by Dilshoda Norboeva, Rukhiddin Turaev, Aziz Inamov, Khojiakbar Khasanov, Jasur Lapasov, Sanjarbek Safaev
Forum Geografi2026296-311DOI: 10.23917/forgeo.13569
Abstract This study examines the optimisation of Continuously Operating Reference Station (CORS) networks through a combined bibliometric and spatial analysis approach, with particular reference to Uzbekistan as an illustrative case. A total of 522 publications were reviewed, of which 53 were identified as most relevant for detailed thematic analysis, as they provided insights into global research trends, methodological approaches,…Read More
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Open AccessReview Article
Pages 312-332
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Effectiveness of Machine and Deep Learning Algorithms in Remote Sensing for Food Crop Mapping: A Systematic Literature Review
by Riki Ridwana, Muhammad Kamal, Sanjiwana Arjasakusuma
Forum Geografi2026312-332DOI: 10.23917/forgeo.12235
Abstract The problems of food (in)security, considering rapid population growth, climate change, land degra-dation, and escalating competition for natural resources, are highlighted in the global conversation on sustainable development. Ecologically sound agricultural management and well-informed policy-making depend on accurate and trustworthy maps of food crops. For mapping food crops, remote sensing has become essential, and…Read More
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Vol. 40 No. 2 (2026): August 2026

Integration of Topography Map and Land Use Change Modeling for Sustainable Tourism Development in Merapi Volcano, Indonesia

From Farmland to Housing: Assessing the Consequences of Agricultural Land Conversion for Farmers’ Welfare and Food Security

An Evaluation of Phosphorus Control Interventions through a Multi-Scenario Approach to Controlling Eutrophication in Lake Rawapening Indonesia

Estimation of Rice Chlorophyll Content in Salt-Affected Soils Using UAV-Based Multispectral Sensing

Multi-decadal Shoreline Change and Salt Production Exposure in Cirebon, Indonesia: A Cloud Geospatial and Transect-Based Analysis (1995–2025)

Assessing Landslide Susceptibility in Batu City, Indonesia: A Machine Learning Approach Using Google Earth Engine

Local Climate Zones in Tropical Urban Environments: A Review

Opportunities for Optimising the CORS Network in Uzbekistan: Proposals Based on Bibliometric Analysis

Effectiveness of Machine and Deep Learning Algorithms in Remote Sensing for Food Crop Mapping: A Systematic Literature Review

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