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All Journal LaGeografiA Jurnal Penelitian Pendidikan IPA (JPPIPA) UNM Geographic Journal Jambura Geoscience Review
Maulana, Karina Meiyanti
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Materials Science & Nanotechnology Physics Social Sciences Other

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Analisis Mitigasi Bencana terhadap Kondisi Sosial Budaya di Gorontalo Rijal, Ahmad Syamsu; Matalapu, Irawan; Jaya, Risman; Maulana, Karina Meiyanti
LaGeografia Vol 19, No 2 (2021): Februari
Publisher : UNIVERSITAS NEGERI MAKASSAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (518.703 KB) | DOI: 10.35580/lageografia.v19i2.17221

Abstract

The purpose of this study was to analyze the socio-cultural conditions related to disaster mitigation in Gorontalo. The method used in this research is a survey with data collection techniques. The data analysis technique used is SWOT (strengths, weaknesses, opportunities, and threats) by looking at the socio-cultural conditions of the people of Gorontalo related to disaster mitigation in Gorontalo. The results of the study show that most information on disaster mitigation is known from school as well as from various media sources. Community, students, and teachers often experience disaster mitigation such as earthquakes, floods, and landslides, so it is necessary to have an evacuation place that is ready to be occupied. Lack of public awareness to join organizations on disaster mitigation means that most people do not know about preparedness in facing disasters that will occur. Disaster mitigation practice activities taught in schools are a solution to teach students to understand more about how to save themselves from disasters and not easily panic and fear.
Groundwater Potential in Unconfined Aquifers Using a Landform Approach in Gorontalo City Karina Meiyanti Maulana; Langgeng Wahyu Santosa; Tjahyo Nugroho Adji
Jambura Geoscience Review Vol 5, No 1 (2023): Jambura Geoscience Review (JGEOSREV)
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jgeosrev.v5i1.15185

Abstract

This research aimed to determine the potential of the unconfined aquifer in Gorontalo City based on the landform approach. The landforms in Gorontalo City consist of alluvial plains of lake deposits, floodplains of river deposits, alluvial fans of lake deposits, hills of structural fractures of reef limestones, hills of structural fractures of pinogu volcanic rocks, and hills of intrusive bone diorite. The method used consisted of a meteorological approach in the southern hills of Gorontalo City and a dynamic approach on the plains of Gorontalo City. The calculation of groundwater availability using a meteorological approach is 421.561,67 m3/year in the structural limestone reef fractures hill, 1.198.975,33 m3/year in the structural pinogu volcanic fractures hill, and 373.062,86 m3/year in the intrusive bone diorite hill, with a total of groundwater availability using the meteorological approach, is 1.993.599,87 m3/year. Groundwater availability using a dynamic approach was 2.621.535,19 m3/year or a discharge of 49,26 lt/sec (large) in the alluvial plain of lake sediment, discharge of 17,19 lt/sec (large) in the floodplain of river sediment, and discharge of 16,65 lt/sec (large) in the alluvial fan of lake sediment. The potential value of groundwater using the dynamic method is greater than the meteorological approach because of the amount of evapotranspiration, surface runoff, and crop coefficient.
Sistem Informasi Geografis untuk Analisis Keterjangkauan Layanan Kesehatan Di Kabupaten Gorontalo Noho, Febriyanti; Rijal, Ahmad Syamsu; Dangkua, Talha; Maulana, Karina Meiyanti; Hendra, Hendra
UNM Geographic Journal Volume 8 Nomor 1 Maret 2025
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/ugj.v1i1.76086

Abstract

Equitable spatial access to health services is a key indicator of public service performance and territorial justice. This study analyzes the spatial distribution pattern and service catchment of government health facilities in Gorontalo Regency, Indonesia, using Geographic Information Systems (GIS). A spatially oriented descriptive-quantitative design was applied. Facility location coordinates were collected via GPS field survey and combined with secondary administrative and population data. ArcGIS 10.5 was used for two core analyses: (1) Average Nearest Neighbor to evaluate spatial distribution; and (2) buffer analysis to classify service accessibility into four distance bands (0–1,000 m; 1,001–2,000 m; 2,001–3,000 m; >3,000 m) with reference to national planning guidelines. Results show a dispersed distribution pattern (T = 1.421; p < 0.01), indicating facilities have been placed to avoid clustering. Accessibility mapping reveals that 56.89% of settlement area lies within the “moderate” (1–2 km) service band, whereas 4.99% remains beyond 3 km, suggesting residual spatial inequality. Large, sparsely settled districts such as Asparaga exhibit wide catchments served by a single primary facility, highlighting potential service strain and travel burden. Findings demonstrate the operational value of GIS for rapid spatial equity assessment in subnational health planning. The study’s novelty lies in integrating Nearest Neighbor statistics with policy-referenced distance buffers using current, field-verified facility coordinates in a rural-regency context.
Karakteristik Morfometri dan Hubungannya dengan Kejadian Banjir di DAS Paguyaman, Gorontalo Maulana, Karina Meiyanti; S, Ahmad Syamsu Rijal; Dangkua, Talha; Jaya, Risman; Mulabbi, Andrew
Jurnal Penelitian Pendidikan IPA Vol 11 No 8 (2025): August
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i8.11909

Abstract

The Paguyaman Watershed represents a strategically significant and essential water resource for the surrounding region. In recent years, this area has become increasingly vulnerable to environmental pressures, including heightened sedimentation, changes in land use, declining water quality, and more frequent flooding events. This study aims to evaluate the morphometric characteristics of the Paguyaman Watershed and their relationship to flood vulnerability observed over the past five years. Morphometric analysis was conducted using quantitative methods within GIS and remote sensing approach. The primary dataset utilized was DEMNAS. The analyzed morphometric parameters include drainage density (3.95), stream frequency (8.61), bifurcation ratio (8.41), form factor (0.13), elongation ratio (0.40), and ruggedness number (8.20). These parameter values indicate that the Paguyaman Watershed possesses an elongated concave shape, steep topography, high surface runoff intensity, and low infiltration capacity. The findings reveal that the watershed exhibits characteristics of high flood susceptibility, as evidenced by recurrent flood events in the villages of Totopo, Tolite, and Juria over the last five years. The spatial pattern of flood vulnerability within the watershed is closely linked to morphological features, such as steep slopes, low soil infiltration capacity, and excessive surface flow accumulation—particularly within the Bilato and Boliyohuto sub-districts.
Co-Authors Ahmad Syamsu Rijal Hendra Hendra Jaya, Risman Langgeng Wahyu Santosa Matalapu, Irawan Mulabbi, Andrew Noho, Febriyanti Talha Dangkua Tjahyo Nugroho Adji