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All Journal J SIG (Jurnal Sains Informasi Geografi) Jatilima : Jurnal Multimedia Dan Teknologi Informasi Jurnal Kolaboratif Sains
Indriani Umar
Universitas Pohuwato
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Studi Kesesuaian Lahan Dan Pola Ruang Untuk Pengendalian Bencana Longsor Di Kabupaten Pohuwato Nevi Kurniawati; Indriani Umar
JURNAL SAINS INFORMASI GEOGRAFI Vol 8, No 2 (2025): Edisi November
Publisher : Universitas Muhammadiyah Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31314/jsig.v8i2.4847

Abstract

Landslides frequent in Pohuwato Regency are triggered by a combination of hilly topography, high rainfall intensity, and land use practices that are not in line with conservation principles. This study aims to analyze and map the spatial vulnerability to landslides and evaluate the suitability of existing spatial patterns in the Pohuwato Regency Spatial Plan (RTRW) document as a scientific basis for disaster mitigation strategies. The methods used are quantitative descriptive analysis and spatial modeling using the weighted overlay technique on a Geographic Information System (GIS) platform. Key parameters integrated include slope gradient, rainfall, soil type, and land use. The vulnerability mapping results show that areas with low, medium, and high landslide potential cover 58,570.66 ha, 65,810.38 ha, and 18,159.92 ha, respectively. The dominant factors contributing to high vulnerability are steep slope inclination, extreme rainfall, and land use transformation, particularly the conversion of forests into mining and settlement areas. An evaluation of the spatial compatibility between vulnerability maps and spatial patterns in the RTRW shows that, although the majority of spatial use planning is in line with disaster zoning, there are still settlements in high risk zones in several subdistricts, such as Taluditi, Patilanggio, Buntulia, Dengilo, and West Popayato. These findings highlight the importance of evaluating spatial planning policies and strictly enforcing land use regulations in order to reduce the risk of landslides.
Analysis of Circulation and Parking as Elements Shaping Marisa City Based on Geographic Information Systems to Support Sustainable Infrastructure Indriani Umar; Rudi
Jurnal Multimedia dan Teknologi Informasi (Jatilima) Vol. 7 No. 5 (2026): Jatilima : Jurnal Multimedia Dan Teknologi Informasi
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jatilima.v7i5.2140

Abstract

Urban circulation and parking systems are essential elements shaping city structure and influencing the sustainability of urban infrastructure. This study aims to analyze circulation patterns and parking distribution in Marisa City using a Geographic Information Systems (GIS) approach to support sustainable infrastructure planning. A quantitative spatial analysis was applied through network analysis, buffer analysis, and overlay analysis to evaluate road connectivity, accessibility, parking service coverage, and the interaction between traffic intensity and parking locations. The results indicate that circulation in Marisa City is dominated by collector and local roads with moderate connectivity, leading to traffic concentration in commercial areas. Parking analysis reveals a heavy reliance on on-street parking, resulting in reduced road capacity and circulation inefficiencies. Spatial mismatch between parking demand and supply is evident, particularly in commercial zones. The findings highlight that poorly integrated circulation and parking systems negatively affect accessibility, land use efficiency, and environmental sustainability. This study emphasizes the importance of GIS-based planning as a decision-support tool for optimizing circulation and parking management to promote sustainable urban infrastructure development in Marisa City.
Arahan Pengembangan Kawasan Permukiman dan Kesesuaian Lahan Kecamatan Marisa Kabupaten Pohuwato: Directions for Residential Area Development and Land Suitability in Marisa District, Pohuwato Regency Nevi Kurniawati; Indriani Umar; Selvia Gampu
Jurnal Kolaboratif Sains Vol. 7 No. 7: July 2024 - Jurnal Kolaboratif Sains (JKS)
Publisher : Universitas Muhammadiyah Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56338/jks.v7i8.5940

Abstract

Pertumbuhan penduduk meningkat setiap tahunnya. Seiring meningkatnya jumlah penduduk meningkat pula kebutuhan lahan. Tujuan dari penelitian ini yaitu Mengetahui Arah Perkembangan Permukiman Kecamatan Marisa Kabupeten Pohuwato, Mengidentifikasi Kesesuaian Lahan di Kecamatan Marisa KabupetenPohuwato Penelitian ini menggunakan analisis Kesesuaian lahan dan analisis scoring. hasil analisis Perkembangan Permukiman di Kecamatan Marisa dengan Metode Overlay, dihasilkan Kawasan Permukiman Terbangun dengan luas 22,8 km2, Kawasan Tidak Terbangun dengan luas 11,8 km2, dan Kawasan Terbangun. Hasil analisis menunjukkan bahwa Perkembangan Permukiman di Kecamatan Marisa lebih mengarah ke arah yang lebih baik, mengikuti jalan. Hasil analisis Kesesuaian lahan, sebagian Desa Teratai dan Bulangita memiliki lahan yang tidak sesuai, tetapi Desa Palopo, Pohuwato Timur, Marisa Utara, Bulangita, Pohuwato, dan Marisa Selatan memiliki lahan yang sesuai. dengan luas area yang sesuai 24,86 kilometer persegi dan area yang tidak sesuai 2,23 kilometer persegi.
Co-Authors Nevi Kurniawati Nevi Kurniawati Rudi Rudi Selvia Gampu