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M Taufik Rahmadi
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Jurnal Geografi
Published by Universitas Negeri Medan
ISSN : 20858167     EISSN : 25497057     DOI : -
Core Subject : Science, Education, Social,
Earth & Planetary Sciences Education Environmental Science Social Sciences Other
Jurnal Geografi is published as a scientific communication media in the field of Geography Education in particular and Geography in general, as well as other related fields, for faculty members, alumni of Geography Education both from the Faculty of Social Sciences of State University of Medan and alumni of geography from other universities. As a medium of scientific communication, this magazine serves to provide a means of publication for the field of development of concepts and theoretical studies, including actual issues that are relevant in the field of Geography Education in particular and Geography in general. The content of the writing does not have to be in line with the editorial policy. The magazine is published twice a year in February and August and is distributed as a publication for geography education, geography or other related fields. Circulation for the limited circle and enthusiasts can get it by changing the cost of printing and postage.
Arjuna Subject : Ilmu Sosial - Geografi, Perencanaan dan Pengembangan
Articles 335 Documents
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Disaster Learning Based on Local Wisdom Through a Simulation Learning Model Toward Students’ Disaster Preparedness in the Small Volcanic Island of Ternate Lukman, Syahril; Hi Halek, Dahri; Sakir, Revana; Putri, Rozana Eka
JURNAL GEOGRAFI Vol. 18 No. 1 (2026): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v18i1.71212

Abstract

Ternate City is classified among the 170 regencies and cities identified as priority sites for disaster risk reduction by the Indonesian government, as designated by the National Disaster Management Agency (BNPB). This categorization is attributed to the geographic characteristics of Ternate Island, which is characterized as a small volcanic island featuring the active Gamalama Volcano, thereby presenting a significant disaster risk. These circumstances cause local residents, specifically junior high school students residing within the Gamalama Volcano Disaster-Prone Zone (Kawasan Rawan Bencana-KRB), to be particularly vulnerable to disasters. Therefore, the implementation of disaster education that incorporates the local wisdom of Ternate through a simulation-based learning model is crucial to enhance students’ preparedness and mitigate risks during potential disaster occurrences. This study aims to identify the level of disaster preparedness between an experimental group taught using a simulation learning model integrated with local wisdom-based disaster education and a control group taught using conventional learning. It also aims to compare the preparedness levels between both groups. The study employed a quasi-experimental method using a posttest-only control group design. The sample consisted of 192 students selected using cluster random sampling, consisting of 96 students in the experimental group and 96 students in the control group. Data analysis involved both descriptive quantitative analysis and comparative analytical techniques. The results indicate that the preparedness level of the experimental group was classified as “very ready,” with an index of 87.02. In contrast, the control group was categorized as “ready,” with an index of 73.58. Furthermore, the comparative analysis reveals that Sig. (2-tailed) = 0.000 < 0.05, suggesting a statistically significant difference between the two groups; hence, H0 is rejected while Ha is accepted. These findings confirm that the simulation learning model integrated with local wisdom-based disaster education significantly enhances student disaster preparedness in comparison to conventional educational methods.
Assessing the Impact of Shoreline Changes on Framework Adaptive Tourism Development (Case Study: Mandiri Beach, Pesisir Barat, Lampung) Aziz, Fahmi; Sahid, Sahid; Yanto, Nana Putri; Esthi Wira Hutama, Surya Tri; Tarigan, Trika Agnestasia; Ajiid Mustofa, Asep Nurul; Harianja, Rahmatullah; Alfazri, Muhammad; Almanti, Nur Zaida
JURNAL GEOGRAFI Vol. 18 No. 1 (2026): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v18i1.71343

Abstract

This study investigates shoreline changes at Mandiri Beach, Pesisir Barat Regency, Lampung Province, during the period 2013–2024 using the Digital Shoreline Analysis System (DSAS). Landsat imagery was processed through Google Earth Engine (GEE) and ArcGIS, with the Modified Normalized Difference Water Index (MNDWI) applied to delineate land–water boundaries. Shoreline dynamics were quantified using DSAS metrics, including Net Shoreline Movement (NSM) and End Point Rate (EPR). The results reveal significant spatial variability: several segments experienced erosion, particularly in western and northeastern zones, while other areas showed accretion, mainly across gently sloping beaches and river mouths. In the primary research area, abrasion reached a maximum of 1.49 m with an average NSM of 1.41 m, and the End Point Rate indicated a gradual annual abrasion trend of 0.13 m/year. Meanwhile, Mandiri Sejati District exhibited more extreme changes, with maximum accretion of 11.84 m and maximum abrasion of 16.2 m, reflecting high sensitivity to environmental and anthropogenic pressures. These findings highlight the importance of adaptive coastal management framework to mitigate erosion risks and optimise accretion zones for sustainable tourism development. The study contributes to disaster mitigation planning, coastal resource management, and the integration of ecological conservation with tourism utilisation.
Cosmopolitan Makassar: Continuing the Ambiguity of Indonesia’s Modern Cities Ilham, Ilham; Tanjung, Ida Liana; Young, Cho Tae
JURNAL GEOGRAFI Vol. 18 No. 1 (2026): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v18i1.71820

Abstract

This article examines the formation of modernity in Makassar City during the first two decades of the 21st century within the framework of contemporary urban spatial transformation. This period is marked by modern projects such as the revitalization of Losari Beach, coastal reclamation, the development of the Center Point of Indonesia area, the smart city program, and the hosting of international festivals. These efforts constitute a form of promoting Makassar as a “world city” that is cosmopolitan and globally competitive. This research aims to explain how these modernity projects are manifested, negotiated, and reproduced within a historical context. It analyzes the ongoing efforts of the city government, the business sector, and various communities in shaping a cosmopolitan Makassar in the 21st century. The study uses historical methods, including heuristics (collecting archives, policy documents, media reports, and interviews), source criticism, contextual interpretation, and historiographical reconstruction. The analysis is conducted diachronically to trace the continuity of previous developmental legacies, and synchronically to examine the power relations among various stakeholders. The results show the existence of contradictions as as a tangible form of urban modernity. Makassar's modernization reproduces the old spatial pattern—that is, the separation between the modern center and the underdeveloped periphery—while presenting a performative cosmopolitanism focused on image and symbolism. Modernity follows global aesthetic trends and market demands; however, this condition results in evident social and ecological inequalities. This research contributes to the historiography of Indonesian urban history by positioning Makassar City as an important case outside of the Java-centric narrative and offering the concept of “ambiguous modernity” as an inherent characteristic of postcolonial cities, not merely as a policy anomaly.
The Mediating Role of Risk Perception in the Effect of Information Literacy on Students’ Disaster Preparedness Andini, Nisye Frisca; Putra, Riki Wanda; Aldebaran, M Fitriansyah
JURNAL GEOGRAFI Vol. 18 No. 1 (2026): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v18i1.72188

Abstract

This study examines how information literacy influences students’ disaster preparedness by incorporating risk perception as a mediating variable. Disaster-prone higher education environments require strong information comprehension skills to support readiness against potential hazards. The research involved 184 students from Merchant Marine Polytechnic of West Sumatra and STKIP Ahlussunnah, selected using purposive sampling. quantitative survey design approach was applied using SEM-PLS path analysis to evaluate direct and indirect effects. The results show that information literacy significantly influences disaster preparedness through an indirect effect mediated by risk perception (β = 0.205; p = 0.000). This finding highlights that risk perception strengthens the translation of information literacy into concrete preparedness actions. Practically, institutions should design information literacy programs that enhance not only access to technical data but als4o students’ awareness and appraisal of disaster risks. This study is limited by its focus on two campuses in a specific geographic area, suggesting the need for broader comparative studies. Overall, the research confirms that incorporating psychological components such as risk perception is essential for optimizing disaster preparedness strategies among university students.
Urban Flood Susceptibility Modeling Using GIS and Machine Learning in Bandar Lampung Pratama, Alvin; Simamora, Andreas Boni Baik; Ghaly, Farras
JURNAL GEOGRAFI Vol. 18 No. 1 (2026): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v18i1.72252

Abstract

Urban flooding increasingly affects rapidly urbanizing tropical cities, where terrain, rainfall, and anthropogenic surface modification interact to shape spatial flood patterns. This study develops a GIS–machine learning framework to model urban flood susceptibility in Bandar Lampung, Indonesia, using a multi-year flood inventory (2015–2024). A balanced dataset (n = 308; 1:1 flood to pseudo-absence ratio) was constructed using buffered pseudo-absence sampling with spatial separation constraints to reduce bias. Nine environmental and infrastructure-related predictors were evaluated using Logistic Regression (LR), Random Forest (RF), Gradient Boosting (GB), and Support Vector Machine (SVM). Model performance was assessed through five-fold stratified cross-validation, generalization gap analysis (Train AUC − CV AUC), learning curves, and a 20% hold-out test set. GB achieved the highest cross-validation performance (CV AUC = 0.8953), followed by RF (0.8782), SVM (0.8007), and LR (0.6925). However, ensemble models exhibited larger generalization gaps (RF = 0.1218; GB = 0.1047) compared to LR (0.0333), indicating stronger overfitting tendencies. Learning curves confirmed that LR maintained the most stable convergence between training and validation scores. On the independent test set (n = 61), GB achieved the highest predictive accuracy (ROC AUC = 0.9462), whereas LR showed lower discriminative performance (AUC = 0.7065) but greater validation stability. Flood susceptibility was concentrated in low-elevation areas, near major roads, and adjacent to river networks. By integrating learning curve diagnostics with cross-validation and hold-out testing, this study provides a rigorous framework for model selection in data-limited urban environments.

Page 34 of 34 | Total Record : 335

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