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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 137 Documents
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Perancangan Zona Layanan dan Rute Bus Sekolah Kota Payakumbuh Menggunakan Graph Neural Network (GNN) Rizky Ferdiansyah Habibi NST; Arie Yulfa
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.v4i2.37729

Abstract

Payakumbuh City is one of the cities located in West Sumatra Province, with a population of 149,077 people. Public transportation is needed for daily mobility, especially for students, because public transportation in this city only consists of 21 units and only serves one route. This study aims to establish service zones, routes, stops or bus stops, and bus transportation modes that are suitable for the geographical conditions of Payakumbuh City. The method used in this study is Graph Neural Network (GNN) with the variables analyzed being the distribution of schools, traffic congestion points, points of interest, and road networks. The results of the study show that service zones can be determined based on the existing land use in Payakumbuh City, dividing the service zones into 4 zones with a total route length of 93.54 kilometers, 209 bus stops, and a suitable mode of transportation, namely microbuses with two types of buses, with an estimated number of 211 units. Payakumbuh City can implement public transportation, particularly school buses, but special attention must be given to the existing road conditions, as the road width in the area is 4-7 meters. Therefore, in its implementation, three service zones can use microbuses with a capacity of 30 passengers, and one service zone can use microbuses with a capacity of 20 passengers.
Pengaruh Faktor Oseanografi Terhadap Hasil Tangkapan Masyarakat Nelayan Di Kelurahan Namosain Kecamatan Alak Kota Kupang Dian Kusuma Dewi; Hamza H Wulakada; Arfita Rahmawati
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.v4i2.37681

Abstract

Fishing communities are coastal communities that are highly dependent on marine conditions in carrying out fishing activities. The dynamics of oceanographic conditions, such as ocean currents and tidal fluctuations, play an important role in determining fish distribution, fishing safety, and the success of fishing activities. This study aims to examine the effect of oceanographic factors on the catch of fishing communities in Namosain Village, Alak District, Kupang City. This research employed a quantitative approach using a survey method. The research population consisted of fishermen in Namosain Village, with the sample determined using the Slovin formula. The results showed that partially, ocean currents had a significant effect on fishermen’s catch, while tidal fluctuations did not have a significant effect on fishermen’s catch. However, simultaneously, oceanographic factors had a significant effect on the catch of fishing communities in Namosain Village. These findings indicate that oceanographic conditions play an important role in determining the success of fishing activities; therefore, adaptation efforts and increased fishermen’s understanding of marine dynamics are needed to support the sustainability of capture fisheries and improve the welfare of coastal fishing communities.
Pemetaan Bahaya Banjir Berbasis Geomorphic Flood Index (GFI) Di Sub-Das Batang Tebo Provinsi Jambi Ias Okta Kurniawan; Dipo Caesario
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.v4i2.37991

Abstract

Banjir merupakan bencana hidrometeorologi yang paling sering terjadi di Indonesia, termasuk di Sub-DAS Batang Tebo yang mencatat 30 kejadian banjir selama periode 2019–2024. Penelitian ini bertujuan memetakan bahaya banjir di Sub-DAS Batang Tebo menggunakan metode Geomorphic Flood Index (GFI) berbasis data Digital Elevation Model (DEM), serta menguji akurasi model terhadap data genangan aktual dari citra Sentinel-1 yang diolah melalui Google Earth Engine (GEE). GFI dihitung secara sistematis menggunakan dua parameter utama, yaitu Height Above Nearest Drainage (H) dan Hydraulic Radius Proxy (hr). Hasil pemodelan menunjukkan bahwa kelas bahaya rendah mendominasi wilayah seluas 279.080,56 ha (65,4%), diikuti kelas sedang 90.913,56 ha (21,3%), tinggi 31.186,86 ha (7,3%), dan sangat tinggi 25.561,28 ha (6,0%). Lima kecamatan termasuk kelas bahaya sangat tinggi: Kecamatan Tebo Tengah, Kecamatan Batin II Babeko, Kecamatan Bungo Dani, Kecamatan Pasar Muaro Bungo, dan Kecamatan Bathin III. Uji akurasi menggunakan True Positive Rate (TPR) menghasilkan nilai 0,64 pada base case (GFI 2,3), sedangkan Frequency Ratio (FR) meningkat konsisten dari 0,11 pada kelas rendah hingga 7,23 pada kelas sangat tinggi. Hasil ini menunjukkan bahwa metode GFI layak digunakan sebagai pendekatan awal pemetaan bahaya banjir berbasis geomorfologi.
Pengaruh Penerapan Model Pembelajaran Snowball Throwing Terhadap Hasil Belajar Siswa Kelas X IPS SMA Negeri 1 Randangan Hermin Hermin; Sri Maryati; Rusiyah Rusiyah
Geosfera: Jurnal Penelitian Geografi Vol 5, No 1 (2026): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v5i1.38479

Abstract

This study aims to analyze the effect of the Snowball Throwing learning model on the cognitive learning outcomes of Geography students of class X IPS on the Basic Knowledge of Geography material at SMA Negeri 1 Randangan. The study used a quantitative approach with a quasi-experimental design of the pretest-posttest control group type. The experimental class followed the Snowball Throwing learning model, while the control class used lectures and questions and answers. The results showed that the improvement in learning outcomes in the experimental class was better than the control class. The N-Gain value of the experimental class was in the high category, while the control class was in the medium category. This difference indicates that learning that provides space for students to formulate questions, discuss, and answer friends' questions is able to strengthen conceptual understanding better than one-way learning. These findings confirm that Snowball Throwing not only improves learning outcomes, but also encourages activeness, academic communication, and student involvement in the geography learning process. Thus, this model can be considered as an alternative learning method for Geography material that requires conceptual understanding, interrelationships between phenomena, and more active reasoning.
Adaptasi Masyarakat terhadap Dampak Sosial dan Lingkungan Industrialisasi di Desa Dawuan Tengah Kecamatan Cikampek Kabupaten Karawang Yani Sri Astuti; Adha Dwi Azzahra Hidayat; Yasfi Fauziah; Naisya Rahma Salsabila; Billy Mayza Fajar Assidiq; Muhammad Hafidh Maulana Rahman
Geosfera: Jurnal Penelitian Geografi Vol 5, No 1 (2026): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v5i1.38096

Abstract

Industrialization, as part of economic development, drives the transformation of a region from an agrarian to an industrial one, but also creates complex social and environmental problems. Changes in livelihoods, the emergence of social disparities, and the decline in environmental quality indicate that communities need to adapt to survive. This study aims to analyze the forms of community adaptation to the social and environmental impacts of industrialization in Dawuan Tengah Village, Cikampek District, Karawang Regency. The method used is descriptive qualitative with data collection techniques through in-depth interviews and field observations. Informants were determined purposively based on certain criteria and data were analyzed through stages of transcription, coding, categorization, and drawing conclusions. The results show that industrialization has a positive impact in the form of increased employment opportunities, income, and the development of local economic enterprises. However, industrialization also has negative impacts in the form of changes in social interaction patterns to become more individualistic, air pollution due to industrial activities and logistics vehicles, noise, congestion, and changes in land use. These conditions indicate pressure on the quality and sustainability of the community's residential environment. The community adapts through job diversification, lifestyle changes, and increased environmental awareness. Thus, industrialization has a multidimensional impact, so sustainable management is needed to create a balance between economic growth and the quality of life of the community.
Karakterisasi Batuan pada Daerah Buay Pemaca dan Sekitarnya, Kabupaten OKU Selatan, Sumatera Selatan berdasarkan Observasi Lapangan dan Analisis Petrografi Afrizya Ade Alya Sandy; Idarwati Idarwati; Muhammad Alfath Salvano Salni
Geosfera: Jurnal Penelitian Geografi Vol 5, No 1 (2026): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v5i1.37925

Abstract

Limited integration between petrographic data and interpretations of geological evolution in the Buay Pemaca area and its surroundings has resulted in an incomplete understanding of tectonic controls and regional geological development. This study aims to analyze rock characteristics using a petrographic approach and to examine its implications for the geological history of the study area. The methods employed include macroscopic and microscopic analyses to identify mineral composition, texture, and grain relationships, which are then interpreted within a regional geological framework. The results indicate that the rock variations in the study area record stages of geological evolution controlled by the interaction of magmatic, tectonic, and sedimentary processes. The initial phase is associated with subduction activity that produced volcanic rocks and intrusions, followed by the development of a sedimentary environment transitioning from terrestrial to shallow marine conditions due to transgression and regression mechanisms, and culminating in volcanic activity that again influenced the geological system. This study confirms that rock characteristics are closely related to ongoing regional tectonic dynamics. Thus, the geological evolution of the study area is controlled by repeated interactions between endogenous and exogenous processes that systematically form the rock sequence. The main contribution of this study is the integration of petrographic analysis with a more comprehensive interpretation of geological evolution.
Analisis Prioritas Rehabilitasi Terumbu Karang Berbasis SST dan Coral Bleaching di Pulau Liwungan, Pandeglang, Banten Muhammad Romdonul Hakim; Muhammad Yusuf; Rizqi Rizaldi Hidayat; Nur Ikhsan
Geosfera: Jurnal Penelitian Geografi Vol 5, No 1 (2026): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v5i1.39248

Abstract

Coral reef ecosystems are highly vulnerable to increases in Sea Surface Temperature (SST), which can trigger coral bleaching events. This study aimed to analyze SST dynamics, examine the relationship between SST and coral reef conditions, and identify rehabilitation priorities in Liwungan Island using Landsat 8 and 9 imagery acquired between April 2023 and 2025 and processed through Google Earth Engine (GEE). Rehabilitation priorities were determined using a pixel-based spatial analysis with a cumulative scoring system integrating thermal stress intensity, represented by Degree Heating Weeks (DHW), and changes in healthy coral cover. The results revealed a decreasing SST trend during the observation period, accompanied by a reduction in bleaching risk and an increase in healthy coral cover in 2024–2025. Linear regression analysis demonstrated a strong relationship between SST and healthy coral cover (R² = 0.7847), indicating that SST is a major driver of coral reef condition. The integration of thermal stress and coral cover change successfully identified three rehabilitation priority classes: Urgent (3.97 ha), Alert (167.89 ha), and No Action Required (10.53 ha). This study provides a spatially explicit framework that integrates SST dynamics and bleaching risk to support adaptive coral reef rehabilitation planning. The findings demonstrate the potential of GEE-based remote sensing for evidence-based coastal management, although field validation remains necessary to improve result reliability.
Conservation and Management of Mangrove Ecosystems in Supporting Ecotourism Development in Marisa District Ramla Hartini Melo; Fazriwan Mohi; Nurdin Mohamad; Syarifah Fatimah Setiasih Niode; David Omanayi Johnson
Geosfera: Jurnal Penelitian Geografi Vol 5, No 1 (2026): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v5i1.39042

Abstract

Mangrove ecosystems provide critical ecological services, support coastal livelihoods, and contribute significantly to climate change mitigation through their blue carbon storage capacity. Despite their importance, many mangrove areas in Indonesia continue to face increasing pressures from land-use conversion, resource exploitation, environmental degradation, and climate-related threats. Community-based ecotourism has emerged as a promising strategy for balancing ecosystem conservation and local economic development; however, effective management requires a comprehensive understanding of internal capacities and external challenges affecting mangrove sustainability. This study aims to evaluate the strategic potential of mangrove ecosystem conservation and management in Pohuwato Regency, Indonesia, to support sustainable community-based ecotourism development. Data were collected through field observations, questionnaires, and stakeholder assessments and analyzed using SWOT (Strengths, Weaknesses, Opportunities, and Threats) supported by IFAS and EFAS matrices. The results revealed an IFAS score of 2.45 and an EFAS score of 2.53, producing strategic coordinates of X = 1.05 and Y = 0.61. These values position the study area within Quadrant I of the SWOT matrix, indicating a strong capacity to pursue an aggressive development strategy by leveraging existing strengths and opportunities. High ecotourism potential, mangrove biodiversity, institutional collaboration opportunities, and conservation funding availability emerged as the most influential factors supporting future development. The study highlights that strengthening community participation, enhancing ecotourism infrastructure, and promoting collaborative governance are essential for achieving long-term coastal sustainability. These findings contribute to the growing discourse on integrating mangrove conservation and ecotourism as a pathway toward resilient coastal development and sustainable blue economy initiatives in tropical regions.
Analisis Morfometri DAS untuk Pemetaan Kerawanan Banjir Bandang di Kecamatan Runjung Agung, Kabupaten Ogan Komering Ulu Selatan Egi Saputra; Budhi Setiawan; Dede Nurohim
Geosfera: Jurnal Penelitian Geografi Vol 5, No 1 (2026): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v5i1.38607

Abstract

South Ogan Komering Ulu Regency is characterized by complex topography and well-developed drainage networks that may increase flash flood susceptibility. Although morphometric analysis has been widely applied in hydrological studies, the integration of linear, relief, and areal morphometric parameters for flash flood susceptibility mapping in Runjung Agung District remains limited. This study aims to analyze watershed morphometric characteristics and map flash flood susceptibility in Runjung Agung District and its surrounding areas. The analysis was conducted using Digital Elevation Model (DEM) data within a Geographic Information System (GIS) environment through the calculation of 15 morphometric parameters representing linear, relief, and areal characteristics. All parameters were normalized into a 0–1 index and integrated using the Cell Statistics method to generate a flash flood susceptibility map. The results indicate that high-susceptibility zones are concentrated in the central, northeastern, southwestern, and southeastern parts of the study area, particularly around Tanjung Kurung, Runjung Agung, Saung Naga, Simpang Saga, Kota Karang, and Negeri Batin. These areas are characterized by dense drainage networks, short overland flow lengths, and relatively high relief conditions. The findings demonstrate that DEM-based morphometric analysis provides an effective approach for identifying flash flood-prone areas and supporting disaster mitigation planning.
Students’ Perceptions of Flood Mitigation at SMA Negeri 6 Anggrek District Dewi Sartika Macmud; Fitryane Lihawa; Ramla Hartini Melo; Indrawan Indrawan
Geosfera: Jurnal Penelitian Geografi Vol 5, No 1 (2026): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v5i1.39044

Abstract

Floods are among the most frequent natural disasters in Indonesia and continue to disrupt educational activities, particularly in schools located in flood-prone areas. Strengthening students’ awareness and preparedness is therefore essential for enhancing school resilience and reducing disaster risk. This study aimed to examine students’ perceptions of flood disaster mitigation at SMA Negeri 6 Anggrek, North Gorontalo Regency, Indonesia, and to identify the relationship between their perceptions and preparedness levels. A quantitative descriptive approach was employed involving 191 students selected using proportional sampling. Data were collected through a Likert-scale questionnaire consisting of five indicators: understanding, attitude, preparedness, participation, and evaluation of school flood mitigation programs. Descriptive statistical analysis was conducted using mean score calculations for each indicator. The findings revealed that students demonstrated positive perceptions of flood disaster mitigation, reflected in good scores for understanding (3.82), attitude (3.74), participation (3.88), and evaluation of mitigation programs (3.70). However, preparedness obtained a lower mean score (2.95), indicating a moderate level of readiness. These findings highlight a gap between students’ positive perceptions and their practical preparedness for flood emergencies. The results suggest that knowledge and positive attitudes alone are insufficient to ensure disaster readiness without regular simulation activities, evacuation drills, and experiential disaster education. Strengthening school-based disaster preparedness programs is therefore essential to improve students’ capacity to respond effectively to flood hazards.

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