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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).
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Articles 5 Documents
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Search results for , issue "Vol 7, No 1 (2024): Edisi Mei" : 5 Documents clear
SISTEM INFORMASI GEOGRAFIS PENENTUAN RUTE EVAKUASI KAWASAN RAWAN BANJIR DI KABUPATEN KUDUS Caroline, Dyta; Pinem, Agusta Praba Ristadi
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.v7i1.2812

Abstract

At the beginning of 2023, several regions in Indonesia, such as Kudus Regency in Central Java, experienced flooding disasters that resulted in the disruption of several inter-district road accesses and had material and immaterial impacts. Based on the disaster infographics data of Kudus Regency, it was recorded that there were 17 flood disaster incidents throughout the year 2022. Sixteen villages were affected by flood disasters spread across three sub-districts, namely Jati, Undaan, and Mejobo, with a total loss of Rp 20,000,000. In 2023, the Regional Disaster Management Agency (BPBD) of Kudus Regency stated that the flooding in Kudus was the most severe compared to the previous year. This was due to high rainfall (>3000 mm) with a relatively flat topography (0-8%). Disaster mitigation procedures have been carried out by the local government in collaboration with the surrounding community to reduce the severity of the incidents. However, the unpredictability of flood disasters due to changing weather and environmental influences each year necessitates further analysis of flood-prone areas and appropriate evacuation procedures. This research is conducted by mapping flood-prone areas using the Scoring and Overlay Data methods, as well as calculating evacuation routes using the Network Analyst method. This analysis utilizes tools available in ArcGIS Desktop software. The selection of appropriate parameters is crucial for more accurate calculations.
STUDI TENTANG COULOMB STRESS PASKA GEMPA BUMI PADA DAERAH MAMUJU – MAJENE MENGGUNAKAN METODE DInSAR Suprapto, Bambang Harimei; Maria, Maria; Arif, Samsu
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.v7i1.2571

Abstract

Earthquake analysis has been carried out on January 8, 14 and 15 2021 based on changes in the Coulomb Stress Value and post-earthquake surface deformation in the Mamuju – Majene area using the DInSAR method, while the results of the research show changes in positive and negative coulomb stresses ranging from 0.2 bar to 1.0 bar and this positive coulomb tension change may trigger nearby earthquakes located at a distance of 5 km to 35.52 km. The earthquake that occurred on January 8, 1984 had four lobe sections consisting of two positive lobe areas trending northeast-southwest from the epicenter and two negative lobe areas trending northwest-southeast. The January 14 2021 earthquake increased the coulomb voltage in a relatively north-south direction. While the area that shows a decrease in coulomb voltage is relatively east. As well as the January 15 2021 earthquake, the area where the dominant increase in coulomb stress occurred was in the northwest-southwest direction. After the earthquake, there was a post-earthquake land surface change, the area that experienced the highest land level rise or uplift occurred in Kec. Kaluku and Bonena which range from 0.12514 m to 0.269211 m. While the Mamuju city area experienced an uplift ranging from 0.02375 m to 0.06655 m, while the Kec. Tapalang, Kec. Malunda, Kec. Ulamanda, Kec. Pamboang, as well as the coastal area of Majene Regency, most of the area is experiencing subsidence ranging from -0.1629 m to -0.0190 m.
PEMANFAATAN SISTEM INFORMASI GEOGRAFI UNTUK ANALISIS POLA SPASIAL-TEMPORAL DISTRIBUSI MAHASISWA BARU UNIVERSITAS COKROAMINOTO PALOPO Iriansa, Iriansa; Hamzah, Muhammad Akram; Jumardi, Andi
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.v7i1.2786

Abstract

Spatial-temporal information on the new college student amount is of significant importance in planning, strategic decision-making, and managing higher education institutions to increase the number of new college student. Therefore, the role of geospatial technology is needed to assist in the analysis and provision information. This research aims to understand the characteristics of spatial-temporal patterns and clusters in the amount distribution of new UNCP college student from Luwu Regency. The study utilizes secondary data analyzed using GIS techniques. A spatial approach is applied to interpret the results of data analysis, and conclusions are drawn qualitatively. The research findings show a varied distribution of the number of new college student, both spatially and temporally. The spatial distribution pattern tends to be centralized, while the temporal characteristics exhibit three patterns: increasing, fluctuating, and decreasing. Several districts fall into clusters of Potential Areas and Critical Areas that require attention from UNCP for strategic planning and more effective policies to increase the interest of prospective new college student in the future.
ANALISIS SPASIAL TEMPORAL PERUBAHAN TUTUPAN LAHAN AKIBAT PEMBEBASAN LAHAN PEMBANGUNAN BANDARA INTERNASIONAL KERTAJATI Purwaningsih, Yuli; Wibowo, Adi; Setiawan, Heri
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.v7i1.2690

Abstract

The development of the Kertajati International Airport project in Majalengka Regency, West Java, directly impacts land cover change. The land cover change comes from land acquisition by residents in Kertajati, Bantarjati, Kertasari, Sukamulya, and Sukakerta Villages. This study aims to analyze land cover changes before and after the construction of Kertajati International Airport in each village and analyze the process of residential land acquisition and the airport construction process spatially and temporally. This research uses a spatial-temporal analysis method by comparing land cover before and after the construction of Kertajati International Airport in each village and visual interpretation using Google Earth image data in 2009, 2013, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, and 2023. The results showed that land cover change affected paddy fields, settlements, and moorlands. The most affected paddy fields are in Kertajati and Bantarjati Villages. Then, the most affected residential land is Kertasari Village. Land clearing of residential land was carried out in different years for each village due to the land acquisition process. The construction of Kertajati International Airport was carried out from 2013 to 2018, but after this period, there was still an additional runway in Sukamulya Village. This research proves that Google Earth imagery can help analyze land cover change.
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.

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