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Assessment of Flood Hazard Mapping Based on Analytical Hierarchy Process (AHP) and GIS: Application in Kencong District, Jember Regency, Indonesia Muhammad Asyroful Mujib; Bejo Apriyanto; Fahmi Arif Kurnianto; Fahrudi Ahwan Ikhsan; Elan Artono Nurdin; Era Iswara Pangastuti; Sri Astutik
Geosfera Indonesia Vol. 6 No. 3 (2021): GEOSFERA INDONESIA
Publisher : Department of Geography Education, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/geosi.v6i3.21668

Abstract

Flood is one of the most frequent hydrometeorological disasters which leads in economic losses. The first step in flood disaster mitigation efforts is mapping vulnerable areas. Kencong District frequently affected by the annual flooding event. This study aims to assess flood hazard mapping by integrating the AHP method and Geographic Information System. This study used a descriptive quantitative approach through the correlation matrix of the AHP model for each physical environmental factor. These factors include slope, altitude, distance from the river, soil type, Topographic Wetness Index (TWI), and Curvature. Furthermore, with the Geographic Information System (GIS), the weighted overlay stage was carried out to obtain the results of flood-prone areas. Based on the AHP analysis, the most significant factors in determining flood-prone areas were the distance from rivers, slopes, and TWI. The results of flood-prone areas mapping were divided into five classes: from deficient 0.02%, low 4.26%, medium 37.11%, high 51.89%, and very high 6.72%. Validation of GIS mapping results with data in the field has an AUC value of 84%, which indicates that the prediction of the AHP-GIS model is perfect in flood-prone areas mapping in the Kencong District. The integration of AHP method and Geographic Information System in flood hazard assessment were able to produce a model to evaluate the spatial distribution of flood-prone areas. Keywords : Flood Hazard Mapping; Multi-criteria decision analysis; AHP Model; GIS; Jember Copyright (c) 2021 Geosfera Indonesia and Department of Geography Education, University of Jember This work is licensed under a Creative Commons Attribution-Share A like 4.0 International License
PENDEKATAN PEMBELAJARAN RISET PENDIDIKAN LINGKUNGAN Ikhsan, Fahrudi Ahwan
JURNAL GEOGRAFI Geografi dan Pengajarannya Vol 17 No 1 (2019): JURNAL GEOGRAFI Geografi dan Pengajarannya
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jggp.v17n1.p37-54

Abstract

Abstrak: Penelitian ini bertujuan untuk menyelidiki pengaruh pembelajaran riset terhadap sikap peduli lingkungan mahasiswa. Penelitian dilakukan terhadap mahasiswa yang mengikuti program pendidikan lingkungan, perubahan sikap lingkungan dilakukan dengan mengembangkan pembelajaran riset. Metode yang digunakan dalam penelitian ini adalah mixed methods kuantitatif dan kualitatif. Mahasiswa diberikan informasi konsep dan degradasi lingkungan serta pembelajaran riset, mahasiswa membuat kelompok dan menyusun proposal sesuai tema kajian. Mahasiswa melakukan penelitian untuk pengumpulan data serta informasi yang kemudian disajikan dalam bentuk infomasi baik laporan dan artikel ilmiah. Pembelajaran riset disajikan dengan tujuan mengembangkan berpikir ilmiah mahasiswa. Hasil penelitian menunjukkan tidak ada perbedaan gender terhadap sikap peduli lingkungan karena pembelajaran riset memiliki dampak yang positif. Mahasiswa memberikan peningkatan kreativitas, pengetahuan. manfaat, dan berpikir kritis mahasiswa melalui kegiatan penelitian, diskusi, dan brainstorming. Praktik pembelajaran riset lebih membantu dalam mendeskripsikan permasalahan lingkungan dan pengambilan solusi terbaik bagi mahasiswa.
The forest farmers' mindsets contribution to ecosystem degradation in Meru Betiri National Park, Indonesia: towards sustainable conservation through a translation practices approach Ikhsan, Fahrudi Ahwan; Sumarmi, Sumarmi; Utaya, Sugeng; Sugiarto, Agus; Heldayani, Eni
Journal of Degraded and Mining Lands Management Vol. 13 No. 1 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.131.9487

Abstract

Controlling land degradation in conservation areas requires improvement, especially given the spatial impacts of human-environment interactions within the Meru Betiri National Park Biosphere Reserve, Indonesia. Drawing upon geosystem theory, this study investigated land change issues stemming from human-environment interactions within Meru Betiri National Park's conservation area. This study adopted a mixed-methods design that incorporated field observations, surveys, and in-depth interviews. Quantitative data were obtained from observations of the degradation landscape and a survey of forest farmers, while qualitative data were collected through interviews with key observer participants. Data analysis was triangulated through a Forum Group Discussion (FGD) involving forest farmers and policymakers. The findings indicate that forest farmer conservation practices influence knowledge transformation, environmental education, and funding mechanisms. These elements are integral to a sustainable "translation approach" to restore the conservation area's ecological landscape. The impact of ecosystem restoration leads to significant spatial and contextual changes within the biosphere reserve's geosystem landscape. This study highlights the implications of the interplay among farmer thinking patterns, funding, and policies for enhancing welfare through a sustainable critical land conservation model. Applying this "translation approach" offers valuable spatial and temporal conservation insights in protected areas.
Urban Sprawl Evolution in a River-Split City: A 20-Year Analysis of Palembang Heldayani, Eni; Sumarmi, Sumarmi; Bachri, Syamsul; Ikhsan, Fahrudi Ahwan; Prihantarto, Wikan Jaya; Irwana, Shida
JURNAL GEOGRAFI Vol. 18 No. 1 (2026): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/6fzp1c73

Abstract

Rapid urbanization in developing countries often triggers uncontrolled urban sprawl. Palembang, the capital of South Sumatra, presents a unique case as a split city bisected by the Musi River, creating complex spatial dynamics. This research aims to uncover the spatiotemporal patterns of urban sprawl in Palembang over the last two decades (2003–2023) and analyze the direction of its physical development. The study employs a multitemporal remote sensing approach using Landsat 5, 8, and 9 satellite imagery at five-year intervals. Spatial analysis was conducted using the Normalized Difference Built-up Index (NDBI) and Modified Normalized Difference Water Index (MNDWI) to extract built-up land cover. The direction of expansion was quantified using rose diagrams to determine spatial distribution tendencies relative to the Central Business District (CBD). The results reveal a massive conversion of non-built-up land, with built-up areas increasing from 8,434.34 ha in 2003 to 15,542.36 ha in 2023. A key finding is the morphological shift from a traditional radial-centrifugal pattern to an asymmetric polycentric model. Urban growth exhibits a dominant directional bias toward the North and Northwest (Sukarami and Alang-Alang Lebar), primarily driven by infrastructure accessibility. Conversely, the Southern region (Ulu) remains stagnant due to physical wetland constraints, hydro-spatial friction, and limited connectivity. This study contributes to urban geography by establishing hydro-spatial friction as a critical determinant in urban evolution, demonstrating how natural barriers can override conventional growth models. The findings recommend Integrated Corridor Management, strict zoning policies, and transit-oriented development to mitigate the environmental impacts of low-density sprawl and promote balanced urban growth.
WHAT ARE THE UNDERPINNING PREFERENCES OF THE PRACTICAL APPROACH TO DEVELOPING ENVIRONMENTAL GEOGRAPHY REFERENCE BOOKS IN UNIVERSITY? Ikhsan, Fahrudi Ahwan; Sumarmi, Sumarmi; Utaya, Sugeng; Sugiarto, Agus
GeoEco Vol 11, No 2 (2025): GeoEco July 2025
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ge.v11i2.96068

Abstract

The need to analyse environmental geography reference books in tertiary institutions sets the stepping stones for the book writer’s consideration. Students’ needs are essential in investigating the initial key stages of developing a new reference book. This study aimed to analyse the needs of content preferences, geography skills, and design formats of Environmental Geography reference books. It employed a quantitative descriptive method with an online survey through Google Forms. Using the snowball technique, the research subjects were students enrolled in Environmental Geography courses in Indonesia during the odd semester in 2022. Data were analysed descriptively. The findings indicated that Environmental Geography knowledge, geography skills, and design were key requirements for developing reference books. The students were primarily concerned with content-based and geography skills in environmental geography, not with lectures. The development of digital technology has no impact on students because of the prevalence of printed versions of reference books. Implications of the results were the key to integrating content, skills, geography, and design in creating learning resource products in Indonesia.