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J SIG (Jurnal Sains Informasi Geografi)
Published by Universitas Muhammadiyah Gorontalo
ISSN : -     EISSN : 26141671     DOI : -
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy Environmental Science
Jurnal ini terbit 2 (dua) kali dalam setahun yaitu pada bulan Mei dan November (2 Nomor dalam 1 Volume) yang pada setiap terbitan berisi maksimal 6 artikel/paper. Publikasi dalam jurnal ini menggunakan Bahasa Indonesia meski juga diperbolehkan dengan menggunakan Bahasa Inggris (english).
Arjuna Subject : -
Articles 88 Documents
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PEMODELAN HIDROLOGI BERBASIS SPASIAL UNTUK IDENTIFIKASI DAN ANALISIS DAERAH RAWAN BANJIR DI DAS LAMASI Nursaputra, Munajat; Syahrul R, A. Muhammad; Rijal, Syamsu; Fa'iq, Muhammad
J SIG (Jurnal Sains Informasi Geografi) Vol 7, No 2 (2024): Edisi November
Publisher : Universitas Muhammadiyah Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31314/jsig.v7i2.3365

Abstract

This study investigates the changes in flood inundation areas in the Lamasi Watershed, focusing on the integration of HEC-RAS and SWAT models from 2013-2022 with projections up to 2031. This research is motivated by the increased frequency and extent of flooding in DAS Lamasi, attributed to land use changes and hydrological variability. The methodology employed involves hydrological simulation using the SWAT model to estimate river discharge based on historical land use, climate, and topography data. The output from the SWAT model is then integrated into the HEC-RAS model to simulate flood distribution and extent. The Flow Regime Coefficient (KRS) is also analyzed to assess flow quality and identify flood risk indicators. The results indicate an expected increase in flood inundation area from 1,825.88 hectares in 2021 to 1,860.62 hectares in 2031. The KRS analysis reveals that 17 sub-basins in poor condition in the downstream areas exhibit a high risk of flooding. Based on these findings, the study recommends the development of mitigation strategies including enhanced drainage infrastructure and more effective land management. This study provides crucial insights for the planning of flood management and risk mitigation in DAS Lamasi, supporting efforts to adapt to the impacts of land use changes and climate dynamics in the future.
ZONASI SPASIAL SMA NEGERI DALAM PENERIMAAN SISWA BARU DI ZONA D, KABUPATEN KUNINGAN Tusam, Mohamad; Ismail, Jalu Rafli; Sugandi, Dede
J SIG (Jurnal Sains Informasi Geografi) Vol 6, No 2 (2023): Edisi November
Publisher : Universitas Muhammadiyah Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31314/jsig.v6i2.2453

Abstract

The establishment of zoning for Public High Schools in Zone D of Kuningan Regency is determined by the government, with a total of 4 schools designated for this purpose. Meanwhile, data from Dapodik indicates the presence of 22 junior high schools scattered within this zone. This number does not include the count of MTs (Madrasah Tsanawiyah) under the Ministry of Religious Affairs. This situation highlights the limited capacity of Public High Schools. On the other hand, there is no clear basis for dividing the geographical areas among the schools to accommodate new students within the zone. Consequently, there is a potential for imbalance among Public High Schools in accepting new students. The research aims to determine the distribution and service areas, as well as the zoning of Public High Schools in Zone D of Kuningan Regency. Geographic Information System (GIS) methods include overlay analysis used for the distribution analysis and zoning of new student admissions. Thiessen polygon analysis is employed for service area analysis, and remote sensing techniques with a supervised classification approach are used to analyze land distribution. The results show that the distribution of Public High Schools in Zone D extends towards the west, towards the city center of Kuningan Regency, and is limited in the eastern direction, towards the border of Central Java Province. SMA Negeri 1 Cibingbin has the largest service area, covering 12,534 ha, including 6,998 ha in the Cibingbin subdistrict, 1,907 ha in Cimahi, 485 ha in Karangkancana, 3,143 hectares in Cibeureum, and a residential area of 351 ha.
PENENTUAN KELAYAKAN ALIH FUNGSI LAHAN BEKAS TAMBANG BATUBARA LAPANGAN X TANJUNG ENIM BERDASARKAN CITRA SENTINEL-2 Valentin, Ferdio; Sitompul, Ivana Jayarani; Fahlefi, M. Reza; Dani, Ilham
J SIG (Jurnal Sains Informasi Geografi) Vol 7, No 1 (2024): Edisi Mei
Publisher : Universitas Muhammadiyah Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31314/jsig.v7i1.2702

Abstract

Coal exploitation in Tanjung Enim, Muara Enim Regency, South Sumatra Province is still being conducted. Some of the 7621 hectares of land that is a coal mining production area is no longer used and leaves ex-mining land. Ex-mining land that is left open will affect the ecosystem and harm the surrounding community, so it is necessary to change the function of ex-mining land. The purpose of this research is determining the feasibility of changing the function of the former mining area. The data used is data from the Sentinel-2 satellite by utilizing band 4, band 8, and band 11 to produce a vegetation index from the Normalized Difference Vegetation Index (NDVI) and a fire index from the Normalized Burn Ratio (NBR) in 2019, 2021, and 2023. The threshold value used to declare the research area suitable for land use changes is -0.2 for n and 0.1 for m. From the data processing, it is found that the  NDVI 2019 is 0.3 and -0.1 for NBR 2019, 0.24 for NDVI 2021 and -0.104 for NBR 2021, and 0.19 for NDVI 2023 and -0.108 for NBR 2023. Values of NDVI that are greater than the threshold (n) and values of NBR that are smaller than the threshold (m) indicate the feasibility of the land use change. This leads to the conclusion that the research area is suitable for conversion of land use.
Penguatan Geowisata Melalui Digitalisasi Informasi Geoheritage Wonocolo Berbasis GIS Dan QR Code Oktavianus Cahya Anggara; Wendy Vio Lugianto; Aria Krisna Putra; Bagus Dwi Prasetyo; Aditya Pratama
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.v8i2.4820

Abstract

The Teksas Wonocolo Geoheritage Area in Bojonegoro Regency holds significant educational value and represents the historical practice of traditional oil mining. However, its tourism potential remains underutilized, as indicated by low visitation rates, approximately 120 visitors per month and limited access to destination information, which is still distributed through printed brochures and an inactive official website. This study develops a digital tourism information system using Desktop Geographic Information System (GIS) integrated with Quick Response (QR) Code technology. Spatial datasets consist of administrative boundaries, road networks, rivers, and satellite imagery, while non-spatial data were obtained from field surveys, including GPS coordinates, photo documentation, and descriptive information on tourist points. These datasets were integrated into an interactive digital map that presents geographic positions, photographs, and destination descriptions. Information is accessible through QR Codes installed at strategic locations within the geoheritage area. The resulting system improves information availability, supports user navigation, and strengthens the presentation of local identity. The GIS–QR Code integration model demonstrates its potential for replication in other areas with similar characteristics as part of digital transformation efforts in the tourism sector.
SISTEM INFORMASI GEOGRAFIS UNTUK ANALISIS KERENTANAN TSUNAMI DI KABUPATEN TANGGAMUS PROVINSI LAMPUNG Andre Vanbudi; Muhammad Irfan Affandi; Henky Mayaguezz; Abdullah Aman Damai; Indra Gumay Yudha
JURNAL SAINS INFORMASI GEOGRAFI Vol 9, No 1 (2026): Edisi Mei
Publisher : Universitas Muhammadiyah Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31314/jsig.v9i1.5207

Abstract

Rencana mitigasi dan rekonstruksi bencana akibat tsunami dapat diimplementasikan dengan berbagai tindakan. Integrasi analisis spasial Sistem Informasi Geografis (SIG) dengan analisis multi-kriteria Analytical Hierarchy Process (AHP) untuk penilaian dampak genangan tsunami merupakan salah satu tindakan mitigasi. Dalam studi ini, dilakukan penilaian kerentanan, genangan dan dampak akibat bahaya tsunami di Kabupaten Tanggamus. Data spasial Digital Elevation Model (DEM) dan data historis run-up tsunami diproses dengan SIG. Ketiadaan validasi lapangan menjadi keterbatasan studi. Parameter elevation dan slope dibuat dari CIAT-CSI SRTM, sedangkan coastline distance dibuat dari peta vektor area. AHP digunakan untuk menimbang parameter melalui perbandingan berpasangan (pairwise comparison). Matriks perbandingan berpasangan tersebut dinormalisasi dan diiterasi hingga mencapai konvergensi vektor eigen utama (CR < 0,10). Lima kelas kerentanan didefinisikan dan dianalisis untuk pemetaan genangan tsunami. Weighted overlay melalui analisis spasial di SIG digunakan untuk membuat peta akhir kerentanan tsunami. Hasil penilaian menunjukkan bahwa wilayah studi berada di bawah zona kerentanan low sebesar 1.417,53 km2 (52,46%), slightly low 1.152,61 km2 (42,66%), medium 63,54 km2 (2,35%), slightly high 48,30 km2 (1,79%), dan high 20,09 km2 (0,74%). Sebanyak 52 desa/kelurahan yang tersebar pada 9 kecamatan memiliki daerah dengan tingkat kelas kerentanan tinggi terhadap tsunami. Hasil ini dapat menjadi informasi awal untuk pengelolaan strategi mitigasi bencana di kawasan pesisir dan proses evakuasi bencana.
Analisis Banjir Di Sungai Ambawang Menggunakan Topography Wetness Index Ajun Purwanto; Paiman Paiman
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.v8i2.4602

Abstract

Flood is one of the natural disasters that often occurs in Indonesia. Floods cause social, economic, health, and ecosystem impacts. This study aims to map flood-prone areas using the Topographic Wetness Index (TWI) approach and analyze its spatial characteristics in the Sungai Ambawang sub-district. The data used in this study is the Digital Elevation Model (DEM) from SRTM with a resolution of 30 meters. Based on the results of the analysis, it is known that the research area has three vulnerability classes, namely low, medium, and high. The low vulnerability class has a distribution area of 63,028.86 ha (61.42% of the total area), the medium vulnerability class has a distribution area of 37,931.2 ha (36.96%), and the high vulnerability class has a distribution area of 1,661.77 ha (1.62%). There needs to be an effort to anticipate and manage floods in Sungai Ambawang, which is prioritized in areas with medium and high vulnerability. Priority areas with moderate vulnerability are mostly spread across the villages of Sungai Ambawang Kuala, Mega Timur, Sungai Durian, Central Java, Korek, Pancaroba, Simpang Kanan, Puguk, Pasak, Lingga, Bengkarek, and Pasak Piang villages. The total area is 37,931.2 ha (37%). Areas with high vulnerability priority are mostly spread across the villages of Sungai Ambawang Kuala, Mega Timur, Sungai Durian, Central Java, Korek, Panca Roba, Simpang Kanan, Puguk, Pasak, Lingga, Bangkarek, Pasak Piang, and Teluk Bakung. The total area of this area is 1,661.77 ha (2%). Good spatial planning can reduce the occurrence of recurring flood disasters. The use of TWI in determining flood hazards effectively follows conditions in the field.
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.
Optimasi Jangkauan Pelayanan Menara Telekomunikasi Melalui Integrasi Sistem Informasi Geografis Dan Model Lokasi-Alokasi Di Kecamatan Sangir Batang Hari Rizki Zakiah; Risky Ramadhan
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.v8i2.4999

Abstract

The uneven availability of telecommunications networks is a serious problem for the community in Sangir Batang Hari District, as it limits access in the field of information and communication. This research is intended to conduct an analytical assessment of the coverage of telecommunication towers and determine the optimal location for the construction of new towers to support equitable communication services in the region using location allocation methods and simulations with Atoll software. The main parameters analyzed include RSRP (Reference Signal Received Power) values, topography, land use, and population distribution. The validation of the modeling results was collected through measurements along the main road using the G-NetTrack Pro application, which obtained actual signal strength data from 2.815 samples. The modeling results using Atoll software show that coverage with excellent quality (-70 dBm) covers an area of approximately 22,125 m². Good quality (-80 dBm) covers an area of approximately 152,900 m². Normal quality (-90 dBm) covers an area of 14,406,321.92 m². Meanwhile, poor quality (-100 dBm) covers an area of approximately 378,163,410.4 m² and very poor quality (

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