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Forum Geografi
Published by Universitas Muhammadiyah Surakarta
ISSN : 08520682     EISSN : 24603945     DOI : -
Core Subject : Science,
Earth & Planetary Sciences
Aim Forum Geografi is an open-access, peer-reviewed journal dedicated to advancing the field of geography by publishing original scientific articles on spatial issues. The journal prioritizes studies that employ rigorous spatial analysis and geospatial technologies—such as GIS and remote sensing—to deepen theoretical and empirical understanding of spatial patterns, processes, and interactions in both physical and human geography. Focus The primary focus of Forum Geografi is on studies that apply Geographic Information Systems (GIS) and/or remote sensing for spatial and regional analysis of physical and human geographic phenomena. Scope - Human and environment interaction - Geomorphology: process and modelling - River basin: process and modelling - GIS and/or Remote sensing-based disaster-related study - Urban, rural, and regional study
Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Geologi
Articles 97 Documents
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Criminological Insights: A Comprehensive Spatial Analysis of Crime Hot Spots of Property Offenses in Malaysia's Urban Centers Azizul Ahmad; Tarmiji Masron; Syahrul Nizam Junaini; Mohamad Hardyman Barawi; Mohd Sofian Redzuan; Yoshinari Kimura; Norita Jubit; Luqman Haqim Bismelah; Asykal Syakinah Mohd Ali
Forum Geografi Vol. 38 No. 1 (2024): April 2024
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v38i1.4306

Abstract

This study examines property crime trends in Selangor, Kuala Lumpur, and Putrajaya from 2015 to 2020, utilizing Geographic Information Systems (GIS) and comprehensive crime data from the Royal Malaysia Police. It focuses on the relationship between property crime rates and the delineation of police station jurisdictions across Selangor State, Kuala Lumpur Federal Territory (KLFT), and Putrajaya Federal Territory (PFT). The objective is to understand the dynamics of property crime, its evolution, and the influence of the National Transformation Program on crime prevention strategies. By assessing the spatial distribution of property crimes, this research aims to identify underlying trends and the efficacy of hot spot policing. The analysis is underpinned by an extensive review of secondary data from the Intelligence/Operations/Records Division of the Royal Malaysia Police Headquarters, enabling a deep dive into the spatial characteristics of property crime within these regions. The findings contribute to the broader understanding of crime prevention in Malaysia, underscoring the importance of GIS technology and the need for strategic interventions tailored to specific crime patterns. This study provides critical insights for policymakers and law enforcement to formulate evidence-based strategies, enhance public safety, and inform future crime prevention efforts.
Optimising Household Solid Waste Collection Facility in Autonomous Regions of Developing Countries: A Case Study on Karanganyar Regency, Indonesia Eko Setiawan; Juang Victorio Kusuma; Ganang Adi Sulistyawan; Septin Puji Astuti
Forum Geografi Vol. 38 No. 3 (2024): December 2024
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v38i3.4313

Abstract

In many developing countries, autonomous regencies have significant rights to establish and manage waste collection facilities that are critical in conveying waste to final disposal sites. However, limited budgets often restrict these rights, particularly at the community level, where waste management needs are more acute. Given the growing importance and emergence of waste-related issues over the years, this study addresses the urgent challenge of siting household solid-waste collection facilities within the context of an autonomous region. We propose several location-allocation models namely a waste-weighted P-median, a pure P-median, a P-centre, a P-dispersion, and a “distance gap” model- to opti-mise the siting of these facilities. Utilising data from Karanganyar Regency in Indonesia, we demons-trate that the optimal model for facility siting is contingent on the specific objectives of the initiative, such as minimising transportation costs or maximising service coverage. Our findings underscore the need for enhanced planning around high-capacity waste collection facilities, emphasising their pivotal role in addressing the future demand for household waste management in autonomous regions. This study provides a framework for policymakers to make informed decisions about siting waste facilities and promote sustainable waste management practices in resource-constrained environments. Including more autonomous regions, a variety of scenarios on population growth and waste generation, additio-nal perspectives on waste management, environmental and social considerations, and the investigation of emerging technologies in waste management are suggested as areas for future research.
Impact of Climate Change on the Cryosphere of the Ugam Chatkal National Park, Bostonliq District, Uzbekistan, During the Post-Soviet Period, Based on Remote Sensing and Statistical Analysis Bokhir Alikhanov; Bakhtiyor Pulatov; Luqmon Samiev
Forum Geografi Vol. 38 No. 3 (2024): December 2024
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v38i3.4405

Abstract

The cryosphere, including glaciers, snow cover, and ice sheets, plays a crucial role in global climate regulation. Therefore, monitoring is crucial for understanding climate dynamics at both regional and global scales. According to scientists studying global climate change, Central Asia is vulnerable to global temperature increases. However, research aimed at analyzing the impact of climate change on the regional cryosphere is lacking. This study investigated the impact of climate change on the cryosphere of the Ugam Chatkal National Park in Uzbekistan's Bostonliq District, focusing on the period following the dissolution of the Soviet Union (1991–2022). This study used remote sensing data and statistical analyses, such as the Mann–Kendall test and Sen's slope calculations, to evaluate trends in snow and ice cover, glacier extent, and vegetation health. Key indices, such as normalized difference vegetation index, normalized difference snow index, normalized difference glacier index, and normalized difference snow-ice index, were used to measure the mean values of these environmental parameters. The findings indicate a significant decrease in snow/ice cover (slope =-0.0048, tau =-0.193), underscoring the profound effects of climate warming on the region's water resources and ecological balance. The analysis highlights the urgency of implementing adaptive management strategies to mitigate these impacts, ensure the sustainability of water supply, and preserve biodiversity in Central Asia's vulnerable mountain ecosystems.
The Impedance of East Jakarta Road Network to Estimate Fire Station Service Areas Jarot Mulyo Semedi; Mohammad Raditia Pradana; Dhavani Ardyas Putera; Nurul Sri Rahatiningtyas
Forum Geografi Vol. 38 No. 2 (2024): August 2024
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v38i2.4408

Abstract

Urban fires, prevalent in densely populated areas, pose significant risks by increasing deaths and injuries. Fire departments must navigate challenging access routes to manage these incidents effectively. This study analyzes the service coverage of fire stations in East Jakarta, considering road network, width, speed, and travel time. The study utilizes secondary data from the DKI Jakarta Provincial Fire and Rescue Service, road network data from local government sources, and traffic data from Google Maps. Additionally, a field survey was conducted to validate road conditions and accessibility. Using graph theory-based network analysis, the study assesses connectivity, flows, directions, and destinations to determine the coverage extent. The optimal route, defined by road class, width, and condition, exhibits the lowest impedance. Google Maps’ estimated travel times, incorporating traffic conditions, are used to assess travel times, with a 5-minute travel time set as the standard barrier for coverage. Results reveal that the current service coverage of East Jakarta fire stations is only 66.57%. This disparity indicates an inadequate number of fire stations relative to their required service areas. The findings underscore the need for strategic placement of additional fire stations and potential improvements in road infrastructure to enhance response times. Traffic dynamics often affect travel times, demonstrating that shorter distances do not always result in faster arrivals according to real-time data.
Phreatic Groundwater Quality Analysis Based on Physical and Chemical Parameters in Kuta Raja Sub-District Mice Putri Afriyani; Muttakin Muttakin; Mirza Desfandi; Daska Azis; Rossa Afriza; Ruliani Ruliani
Forum Geografi Vol. 38 No. 2 (2024): August 2024
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v38i2.4450

Abstract

Phreatic groundwater, discovered easily around communities in the Kuta Raja Sub-district, is sourced from the subsurface and stored in saturated areas, where it flows naturally through seepage or jets. Therefore, this study aimed to analyze the quality of phreatic groundwater using physical and chemical parameters. Color, taste, smell, and temperature were the physical parameters analyzed, while chemical parameters tested included electrical conductivity value, acidity (pH), and hardness level. To conduct the experiment, a total of 50 samples were obtained using a random sampling method. Physical parameters were evaluated using the observational method. Test for groundwater hardness level was conducted at the Aceh Health Office's Health & Medical Equipment Testing Laboratory. The pH was measured using a pH meter, while electrical conductivity value and phreatic groundwater temperature were tested using a water quality checker. The results showed that the physical quality of groundwater was in good condition. Approximately 64% of the samples had characteristics of yellow, tasteless, and odorless. The temperature value was in the medium category (30°C-35°C). Additionally, the electrical conductivity value of 84% was in the medium class (1,200–2,500) brackish groundwater category. It was important to acknowledge that a groundwater pH value of 6.5–8.5 based on field measurements was in the normal class. The hardness level (CaCO3) of phreatic groundwater was evaluated using the Titrimetric method based on SNI Number 06-6989.12-2004. The test was conducted on 6 groundwater samples in terms of water flow and variations in electrical conductivity values. Based on observations, 4 samples were categorized as "hard" samples, while 2 were classified as “very hard”.
Tourism Investment and Land Use Change in the Northern Piedmont of the Western High Atlas (1989-2022) Hamza Ait Zamzami; Mohammed Elaanzouli; Ayoub Zahrani; Jamila Saidi; Taieb Boumeaza; Muhammad Musiyam
Forum Geografi Vol. 38 No. 1 (2024): April 2024
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v38i1.4458

Abstract

This study aimed to investigate the profound influence of tourism investment on the Northern Piedmont of the western High Atlas over 34 years in response to the escalating global trend of tourism-driven land-use changes, particularly in the Marrakesh region. In this context, the driving forces behind the significant transformation of agricultural land and bare soils into tourism-driven investments were evaluated as well as the critical role of accessibility in shaping spatial shifts. The method used high-resolution (10 m) satellite images from Spot 1 (1989), Spot 5 (2003 & 2010), and Sentinel 2 (2022) through remote sensing methods to investigate the historical land-use changes over 34 years. The results showed significant transformations in land-use based on the correlation between improved transportation infrastructure and the growth of tourism ventures, underscoring the role of roads and facilities as catalysts. The analysis suggested the need for reflection on the consequences of unregulated tourism growth, aiming to balance economic benefits with environmental and socio-cultural challenges in sensitive regions. Although tourism significantly contributed to economic development and employment opportunities, it also posed risks when not managed prudently. This underscored the need to strike a harmonious equilibrium between economic prosperity as well as preserving the unique natural beauty and cultural heritage of the region. The insights provided in this analysis had broader implications for responsible planning and management of tourism development in sensitive ecological and cultural regions. In conclusion, a thoughtful and sustainable approach was needed to safeguard the delicate balance between economic prosperity and environmental preservation.
Use of the TPI and TWI Methods for Identifying Karst Dolines in Purwosari District, Gunungkidul Regency, Indonesia Astrid Damayanti; Muhammad Fauzan Akmal Hidayat; Riza Putera Syamsuddin; Diko Hary Adhanto
Forum Geografi Vol. 39 No. 1 (2025): April 2025
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v39i1.4462

Abstract

Gunung Sewu Karst, located in the Gunung Kidul Regency within the Special Region of Yogyakarta, features a distinctive karst topography consisting of dolines, hills and caves. Despite its aesthetic appearance, the area often experiences water scarcity due to the lack of surface water. Dolines, basin-like depressions formed during the karstification process, play a crucial role in biodiversity conservation, ecology, hydrology and land-use management planning. This study aims to map and identify the spatial distribution and morphometric characteristics of dolines in the Purwosari subdistrict, which have important implications for water resource management and drought mitigation in karst regions. The findings are intended to guide spatial planning and environmental mitigation strategies. Data for the study were derived from a digital elevation model (DEM), more scalable and accessible elevation data, to generate the Topographic Position Index (TPI) and Topographic Wetness Index for analysing doline spatial patterns, their terrain shapes, their types (dry or watery), and morphometry. The results show that dolines are associated with negative TPI values (58%) and low TWI values (53.48%), with most landforms classified below the plain level (27.91%). A significant proportion of dolines (79.06%) contain water, with the classification accuracy between TPI and TWI being 65.11%. Morphologically, most dolines are U-shaped, with oval-shaped dolines being the most common (41.86% of observations). The findings reveal that dolines in the Purwosari Subdistrict have significant underground water storage potential, making them crucial for mitigating regional drought risks.
Impact of COVID-19 on Water Consumption Patterns for Domestic Needs in Sleman District Rika Harini; Ig. L. Setyawan Purnama; Rina Dwi Ariani; Ismi Nuari Puspitaningrum
Forum Geografi Vol. 38 No. 3 (2024): December 2024
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v38i3.4508

Abstract

The COVID-19 epidemic coincided with an increase in domestic air travel. Breathing is a natural thing to do outside the home. Excessive air use affects air availability. This research aims to determine variations in residential water use in Sleman Regency before, during, and after the pandemic. This research is descriptive and quantitative in nature and uses primary data—basic information collected from surveys sent via Google Forms—as the main source of information. The research subjects were residents of Sleman Regency. Research results show that clean water consumption at home increased by 6.65%, according to a study. The average community water use before the pandemic was 188.47 L per person per day. This amount increased to 201 L per person per day during the pandemic. The Ministry of Public Works sets a standard for clean water use of 150–210 L per person every day. Bathing was the most common water use pattern (31.04% before the epidemic and 29.48% during the pandemic). In Sleman Regency, Cangkringan District has the lowest water demand (2.77%), and Depok District has the highest (11.64%). In order to maintain the availability of clean water sources, it is necessary to plan and assess air availability, especially regarding access to clean water in the Sleman Regency area.
Mapping of the Spatio-Spectral Dynamics of Mangrove Chlorophyll Concentrations via Sentinel-2 Satellite Imagery K. K Basheer Ahammed; I Wayan Gede Astawa Karang; I Wayan Nuarsa; I Gede Surya Indrawan; I Gede Hendrawan; Ni Made Nia Bunga Surya Dewi; Arvind Chandra Pandey
Forum Geografi Vol. 38 No. 2 (2024): August 2024
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v38i2.4518

Abstract

Mangrove ecosystems play a critical role in maintaining coastal health; however, they are increasingly threatened by anthropogenic activities and climate change. Health assessment is essential for effective conservation efforts. However, traditional remote sensing techniques such as the normalised difference vegetation index (NDVI) may not fully capture the complex physiological processes influencing vegetation health. Therefore, this study investigated chlorophyll (Chl) dynamics in mangroves using remote sensing techniques, including the NDVI and a novel method, the normalised area over reflectance curve (NAOC), via Sentinel-2 satellite imagery during October 2023, and analysed spatial variations in Chl content (CC) via the Google Earth Engine API. NDVI and NAOC-Chl were weakly correlated (0.47), highlighting their complementary roles. The average NDVI and NOAC-Chl values for different species were analysed, and Rhizophora mucronata presented the highest value (NDVI: 0.86 ± 0.08, NOAC: 20.48 ± 4.49.
Investigating the Spatial Relation between Landuse and Property Crime in Kuching, Sarawak through Location Quotient Analysis Norita Norita; Tarmiji Masron; Azizul Ahmad; Ryoji Soda
Forum Geografi Vol. 38 No. 2 (2024): August 2024
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v38i2.4575

Abstract

Urban areas are often associated with higher crime rates, which is a growing concern among communi-ties. This study aim to investigate the spatial relation between landuse and property crime in Kuching, Sarawak through location quotient analysis. There are three method were applied in this study inclu-ding multiple buffer analysis, Pearson’s correlation and location quotient. Based on initial findings, there is an observed increase in crime levels as the distance from the centroid extends from 150 to 750 meters and decrease beyond the 750-meter. The study findings reveal a strong and consistent positive correlation between property crime and land use areas across 2015-2017. Property crime is more pre-valent in urban and associated areas compared to other land use categories. Offenders in Kuching of-ten utilize various tools to break into houses and digs holes, break locks, climb gates, engage in snatch theft using motorcycles, and break car windows to steal handbags that are placed on the right seat. In certain locations, CCTV cameras are positioned far away from the target areas. All of these factors contribute to creating opportunities for offenders. Property crimes were more common during the day-time than at night as during the daytime may be attributed to more people being active outside their homes, providing criminals with easier targets. At night, people tend to stay home, the opportunity for property crimes decreases. The study provides crucial geographic crime information to the Commis-sion of Kuching North City Hall and the Council of the City of Kuching South to enhance urban safety.

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