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Moch. Rio Pambudi
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Jl. Prof. Dr. Ing. B. J. Habibie, Moutong, Tilongkabila, Kabupaten Bone Bolango 96119, Gorontalo, Indonesia. Tel. +62-852-5674-4737 , +62-821-5166-4800 (Call/SMS/WA) E-mail: geosfera@ung.ac.id
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Geosfera: Jurnal Penelitian Geografi
Published by Universitas Negeri Gorontalo
ISSN : 29625424     EISSN : 29625416     DOI : https://doi.org/10.34312/geojpg.v1i1
Core Subject : Science, Education, Social,
Earth & Planetary Sciences Education Environmental Science Social Sciences
Geosfera : Jurnal Penelitian Geografi (GeoJPG, P-ISSN: 2962-5424, E-ISSN: 2962-5416) is a peer-reviewed journal published by Department of Earth Science and Technology, Universitas Negeri Gorontalo. GeoJPG provides open access to the principle that research published in this journal is freely available to the public to support the exchange of knowledge globally. GeoJPG published two-issue articles per year namely June and December. GeoJPG provides a place for academics, researchers, and practitioners to publish scientific articles. Each text sent to GeoJPG editor is reviewed by peer review. Starting from Vol. 1 No. 1 (June 2022), all manuscripts sent to the GeoJPG editor are accepted in Bahasa Indonesia. The scope of the articles listed in this journal relates to various topics, including (1) Geography Education, (2) Physical Geography, (3) Human Geography, (4) Geographic Information System (GIS), (5) Remote Sensing, (6) Environmental Science, (7) Disaster Risk Reduction and other relevant geosciences. This journal is available in print and online and highly respects the ethics of publication and avoids all types of plagiarism.
Arjuna Subject : Ilmu Sosial - Geografi, Perencanaan dan Pengembangan
Articles 109 Documents
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Partisipasi Masyarakat Dalam Menjaga Kebersihan Pada Kegiatan Car Free Day (CFD) Kota Padang Putra, Alberto Prima; Chandra, Deded
Geosfera: Jurnal Penelitian Geografi Vol 4, No 2 (2025): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v4i2.37046

Abstract

This research aims to: 1) identify the forms of community participation in maintaining cleanliness during Car Free Day (CFD) activities in Padang City, 2) analyze the supporting and inhibiting factors of community participation in maintaining cleanliness during CFD activities in Padang City, and 3) provide recommendations and strategies for CFD cleanliness management based on the level of community participation. This study employs a mixed-methods approach, utilizing descriptive qualitative and quantitative methods through observation, questionnaires, and interviews. The results indicate that community participation is categorized as fairly good, characterized by individual awareness to dispose of waste in the provided bins. However, collective participation, such as mutual cooperation, is still low. Supporting factors include high public awareness and knowledge of the importance of comfort when exercising and the initiative of traders in managing waste, while inhibiting factors include the behaviour of visitors who litter, lack of facilities, minimal socialisation, and limited supervision. This study recommends improving sanitation facilities, environmental campaigns, community empowerment, cross-sector coordination, the implementation of sanctions and rewards, and the use of digital innovations to strengthen community participation. These strategies are expected to create a cleaner and more sustainable CFD in Padang City.
Analisis Perubahan Tutupan Lahan dan Dampaknya terhadap Ketahanan Pangan di Kota Bukittinggi Irfansyah, Muhammad; Yulfa, Arie
Geosfera: Jurnal Penelitian Geografi Vol 4, No 2 (2025): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v4i2.37027

Abstract

This study aims to: (1) analyze land-cover changes from 2018 to 2024, and (2) analyze the impact of paddy field conversion for food security in Bukittinggi City. A quantitative descriptive approach based on Geographic Information Systems (GIS) was employed, using Sentinel-2 image classification with the Random Forest algorithm. Land-use changes were analyzed through overlay techniques, while food security was assessed by comparing rice availability and rice demand. The impacts of land conversion were tested using a Paired Sample t-Test, and projected paddy field decline was estimated through Exponential Triple Smoothing (ETS). The results indicate an increase in built-up land by 31.70 hectares and a decrease in paddy fields by 20.92 hectares between 2018 and 2024, along with reductions in several other land-use classes. Additionally, 7 hectares of Protected Paddy Fields were converted, reflecting weak effectiveness of land-protection policies. Paddy field conversion reduced rice availability from 3,157.35 tons to 2,185.11 tons, while rising demand widened the deficit from –3,835.57 tons to –5,909.94 tons in 2024. The t-Test showed a significant decline in food security, with average fulfillment decreasing from 33.74% to 33.37% (sig. 0.048). ETS projections further indicate that paddy fields will continue to decline and may nearly disappear by 2201–2202 if conversion is not controlled. In conclusion, paddy field conversion poses a substantial threat to Bukittinggi’s food security, and without strict regulation, the region may reach a critical point in the coming years.
Analisis Kualitas Perairan Pesisir Teluk Tomini Terhadap Aktivitas Pemukiman Dan Pariwisata Di Provinsi Gorontalo Gobel, Siti Amalia; Gonibala, Farina
Geosfera: Jurnal Penelitian Geografi Vol 4, No 2 (2025): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v4i2.36990

Abstract

The coastal waters of Tomini Bay in Gorontalo Province play an important role in supporting marine ecosystems and socio-economic activities, particularly coastal settlements and tourism. The rapid development of these activities has the potential to exert pressure on coastal water quality if not managed sustainably. This study aims to analyze the quality of coastal waters in Tomini Bay and examine the influence of settlement and tourism activities on coastal water conditions. The research method employed is a literature study approach by reviewing scientific publications, research reports, and relevant policy documents. The analysis was conducted using a descriptive qualitative method focusing on physical, chemical, and biological water quality parameters and the impacts of human activities. The results indicate that settlement activities contribute to increased pollution loads through domestic waste, while tourism activities affect water quality through waste from tourism facilities and pressure on coastal ecosystems. Therefore, integrated and sustainable coastal management strategies are required to maintain the quality of coastal waters in Tomini Bay, Gorontalo Province. 
Strategi Pengelolaan Limbah Bahan Berbahaya Dan Beracun (B3) Di Rumah Sakit Umum Daerah (RSUD) Ulin Kota Banjarmasin Alfito, Muhammad Zidan; Nasruddin, Nasruddin
Geosfera: Jurnal Penelitian Geografi Vol 4, No 2 (2025): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v4i2.36947

Abstract

Hazardous and Toxic Waste (B3) is waste that contains hazardous or toxic materials which, due to their nature and/or concentration, quantity, either directly or indirectly, can pollute and/or damage the environment, endanger the environment, the health of humans and living creatures. others. Many industries do not realize that the waste they produce is included in the category of Hazardous and Toxic Waste (B3), so they easily release it into water bodies without processing, even though the waste produced can harm living creatures. The method used in this research is descriptive qualitative (Sidiq Khoiri, 2019). This research was conducted to obtain alternative problem solutions or answer problems faced when managing B3 waste in the Ulin Regional General Hospital (RSUD) Banjarmasin City. Management of hazardous medical waste (B3) is an important part of responsible and sustainable medical practice.  B3 medical waste includes materials such as syringes, expired medicines, dangerous chemicals, and biological waste with potential for infection. The volume of waste from the Ulin Regional General Hospital, Banjarmasin City in 2023, which produced the most B3 medical waste in March, was 10,918.31 kg, in September it was 8,082.29 kg, and in February it was 7,122.25 kg. In January - May, the most B3 medical waste was infectious waste, while in June - December it was infectious waste (COVID-19).
Strategi Penyelesaian Masalah Lingkungan Di Desa Pesouha Kecematan Pomala Kabupaten Kolaka Nuraisyah, Nuraisyah; Nurhidaya, Nurhidaya; Octavira, Astrid; Ditya, Rasya Permata; Agustayana, Ketut Mahadi; Octayanto, Dimas; Iskandar, Ahmad; Nasarudin, Nasarudin
Geosfera: Jurnal Penelitian Geografi Vol 4, No 2 (2025): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v4i2.32382

Abstract

This study looks into the environmental problems facing Pesouha Village in the Pomalaa Subdistrict of Kolaka. The biggest issues seem to be flooding and pollution, impacting the water, air, and soil around the area. The goal here is to find out what's causing these problems and suggest practical solutions that follow the ideas of sustainable development. To do this, we used a qualitative approach, including observing the area, talking to the village head, and reviewing documents. The findings show that changes in land use, poor drainage systems, and unmanaged mining activities are major factors behind the environmental decline. This has led to seasonal flooding, contaminated rivers, dust pollution from mining, and less fertile soil. The study emphasizes that better land management, stricter waste controls, and increasing community awareness and involvement are key to tackling these issues. By adopting these steps, we hope to help create a healthier, more sustainable environment for Pesouha Village.
Pendekatan Machine Learning dalam Memetakan Kesesuaian Habitat Mal Yusuf, Daud; Karim, Muhammad; Tahir, Tahir; Saelan, Emy; Liayong Pratama, M. Iqbal
Geosfera: Jurnal Penelitian Geografi Vol 4, No 2 (2025): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v4i2.36472

Abstract

Climate change and increasing anthropogenic pressure pose serious threats to endemic species with restricted distributions, such as the Maleo (Macrocephalon maleo) of Sulawesi. This study aims to model habitat suitability and potential distribution of the Maleo using an integrated Geographic Information System and Maximum Entropy approach. Presence-only occurrence data were combined with bio-physical and anthropogenic environmental variables to generate spatial predictions of habitat suitability across coastal and lowland landscapes. The model demonstrated strong predictive performance, indicating that the selected variables effectively captured the ecological requirements of the species. Habitat suitability patterns revealed that sandy soil characteristics, proximity to natural heat sources, and river systems were the most influential factors enhancing habitat suitability, reflecting the species’ unique reproductive ecology. In contrast, proximity to roads and settlements consistently reduced suitability, highlighting the negative impact of human disturbance. The continuous suitability output was further classified into core habitat and buffer zones to support conservation-oriented spatial planning. The resulting zoning framework identifies priority areas for protection and management, particularly outside formal protected areas where development pressure is high. Overall, this study provides robust spatial evidence for understanding Maleo habitat requirements and offers a transferable methodological framework for modeling other endemic species. The findings underscore the importance of integrating ecological and human dimensions in habitat modeling to support effective, evidence-based conservation strategies
Correlation Between Seismicity Rates and Earthquake Return Periods in the Southern Offshore of West Java, Indonesia Alfaris, Lulut; Wahyudi, Andri; Ginanjar, Martin Anjar; Nyuswantoro, Ukta Indra; Laeiq, Nazish
Geosfera: Jurnal Penelitian Geografi Vol 4, No 2 (2025): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v4i2.36433

Abstract

The Indian Ocean region south of Java constitutes a highly active seismic zone dominated by the subduction of the Indo-Australian plate beneath the Eurasian plate. This study investigates the seismicity parameters (a-value and b-value) using the Gutenberg-Richter law and estimates the return periods of significant earthquakes. Analyzing earthquake catalog data covering a span of 53 years, we identified the Magnitude of Completeness (Mc) and calculated frequency-magnitude distributions. The results reveal a b-value of 1.17, indicating a region characterized by high material heterogeneity and complex stress release mechanisms. Furthermore, the probabilistic return period for a magnitude 6.5 earthquake is estimated to be approximately 19.24 years. These findings suggest that while the region exhibits frequent moderate-magnitude energy release, the potential for destructive tsunamigenic events remains significant, necessitating robust hazard mitigation strategies for the southern coast of Java.
Penentuan Pusat-Pusat Pertumbuhan Untuk Pengembangan Wilayah Hinterland Kota Banjarbaru Purnawirawan, Bayu Ponco; Nasruddin, Nasruddin
Geosfera: Jurnal Penelitian Geografi Vol 4, No 2 (2025): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v4i2.36406

Abstract

Regional development disparities remain a major issue in regional development planning, particularly in cities that are experiencing rapid growth and play a strategic role as regional hubs. Banjarbaru City, with its increasingly important position in the urban system of South Kalimantan, needs to identify growth centers in order to direct the development of its hinterland in a more structured and sustainable manner. This study aims to identify subdistricts with the potential to become growth centers and analyze the strength of interactions between subdistricts in Banjarbaru City. The research method used is a quantitative approach with census and survey techniques, through scalogram analysis, centrality index, and gravity model. The results show that the subdistricts of North Banjarbaru, South Banjarbaru, and Landasan Ulin have the most complete facilities and the highest centrality index, thus serving as the main growth centers. The subdistrict of Cempaka functions as a secondary growth center, while the subdistrict of Liang Anggang serves as the hinterland. Gravity analysis shows that the strongest spatial interaction occurs between the main growth centers, while the relationship between the center and the hinterland shows varying levels of interaction influenced by distance and population. These findings emphasize the importance of strengthening connectivity and equal distribution of facilities to encourage the spread of development in Banjarbaru City.
Identifikasi dan Evaluasi Potensi Geosite pada Kawasan Karst Nagari SImarasok dalam Mendukung Pengembangan Geopark Kabupaten Agam Sumatera Barat Febrianto, Hary; Angraini, Anggi; Osronita, Osronita; Yanto, Andri; Yanti, Mory; Zega, Fermawati; Putri, Desi Eka
Geosfera: Jurnal Penelitian Geografi Vol 4, No 2 (2025): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v4i2.36381

Abstract

A geopark is a regional management concept that integrates geological heritage conservation, earth education, and local economic development through community-based geotourism activities. Based on Presidential Regulation No. 9 of 2019 and UNESCO guidelines, a geopark is defined as a protected area containing high-value geosites in terms of geoheritage, geodiversity, biodiversity, and cultural diversity, which is managed sustainably to improve welfare while fostering environmental awareness. In Indonesia, geopark development is directed as a conservation strategy and regional development instrument, including in West Sumatra Province, which includes a geopark program in its tourism development master plan. In this context, the active role of local governments and communities is key to the successful management of geoparks as geotourism destinations with educational, ecological, and economic value.
Pemanfaatan SIG Untuk Menganalisis Daerah Rawan Banjir Kabupaten Sukabumi Menggunakan Model Complete Mapping Analysis Gustaf, Mohammad Alexander Agung putera; Mataburu, lham Badaruddin
Geosfera: Jurnal Penelitian Geografi Vol 4, No 2 (2025): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v4i2.36352

Abstract

Flooding in Sukabumi District is influenced by various factors, including heavy rainfall, land use change, slope, and topographic characteristics. This research utilizes Geographic Information System (GIS) approach and Complete Mapping Analysis (CMA) model to map flood vulnerability. (CMA) model to map the level of flood vulnerability. The parameters analyzed include rainfall, topographic wetness index (TWI), land use, slope, soil type, and elevation. The results of the analysis show that land use has the highest weight in influencing flood events, followed by TWI and slope. Areas with high flood vulnerability tend to be located in lowlands with gentle slopes, such as Warung Kiara and Bantargadung sub-districts. A decrease in water flow velocity in plain areas increases the potential for inundation or flooding. This analysis analysis provides a comprehensive overview of the factors that influence flood vulnerability, which can be used for disaster mitigation planning, such as land use management, drainage systems, and conservation of water catchment areas. water catchment areas.

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