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Afrital Rezki
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Jurnal Spasial: Penelitian, Terapan Ilmu Geografi dan Pendidikan Geografi
Published by Universitas PGRI Sumatera Barat
ISSN : 25408933     EISSN : 25414380     DOI : https://doi.org/10.22202/js
Core Subject : Science, Social,
Astronomy Earth & Planetary Sciences Environmental Science Physics Social Sciences
Scope of publications includes physical geography, human geography, regional planning and development, cartography, remote sensing, geographic information system, geography education, and environmental science.
Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Ilmu Bumi dan Planet (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "Vol 11, No 4 (2024)" : 5 Documents clear
ANALISIS KERENTANAN SOSIAL EKONOMI MASYARAKAT KECAMATAAN SEMARANG TENGAH TERHADAP PANDEMI COVID 19 Sundaro, Hendrianto; Pamungkas, Wardana Galih
Jurnal Spasial Vol 11, No 4 (2024)
Publisher : Program Studi Pendidikan Geografi Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/js.v11i4.9916

Abstract

Recently, the Government of Indonesia has revoked the status of the Covid 19 Pandemic. Even so, the pandemic event has sparked critical questions, “how can the city government prepare itself if in the future it is faced with a similar event? "Of course an analysis is needed to find out what factors have the most influence on the socio-economic vulnerability of the community to the Covid 19 pandemic and an overview of which locations are socially and economically vulnerable. With this analysis, the government can be better prepared when faced with similar events in the future.This study aims to determine the level of socio-economic vulnerability of the people in Central Semarang District to the Covid 19 Pandemic. The method used in this study is a quantitative method. Data obtained through observation, questionnaires and documentation studies. Data processing is carried out with the help of SPSS and Geographical Information System (GIS) programs. From the analysis that has been carried out, information is obtained that there are two dominant factors that influence the socio-economic vulnerability of the people in Central Semarang District, namely: the resilience factor and the social adaptation factor. In addition, information was also obtained that most of the villages in Central Semarang District had a relatively high level of socio-economic vulnerability, both in terms of resilience and adaptation factors.
PEMANFAATAN APLIKASI SISTEM INFORMASI GEOGRAFIS UNTUK PEMETAAN DAERAH RAWAN BANJIR KECAMATAN JATIASIH KOTA BEKASI Bahar, Syairul; Fahmi, Fauzi
Jurnal Spasial Vol 11, No 4 (2024)
Publisher : Program Studi Pendidikan Geografi Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/js.v11i4.9917

Abstract

This study aims to determine the spatial distribution of flood vulnerability levels in Jatiasih sub-district, Bekasi city. Data processing in determining flood-prone areas in Jatiasih district is carried out using the scoring method. The score  for each parameter is then summed using the field calculator in the ArcGIS 10.8 application. The parameters that used in the preparation of the flood hazard map are soil texture and type, slope, and land use. Furthermore, these parameters are overlaid (overlay) to obtain a map of flood-prone areas. the results of the analysis using the scoring method and the overlay method get the distribution of flood areas consisting of 3 classifications, namely a low flood vulnerability level of 192 ha or 8% of the sub-district area, a medium flood vulnerability level of 2111 ha or 83% of the sub-district area, and a high level of flood vulnerability cell height; area of 235 ha or 9% of the sub-district area. The points in flood areas that experience a high level of vulnerability include TNI AL housing, Kemang IFI Graha, IKIP Lecturer housing, Nasio housing, Griya Jatisari housing, Buana Risma Jatiluhur Complex, Asabri housing, Jatirasa housing, Pondok Mitra Lestari, Pondok Gede Permai housing, Nusapala housing, Jatisari camping ground, and Cahaya Kemang Permai housing.
IMPLEMENTASI ALGORITMA WELCH-POWELL PADA PEWARNAAN GRAF WILAYAH DI KALIMANTAN TIMUR Nur Aulia, Shofinatul Wahdah; Inayah, Jauharotul; Imron, M.; Fanani, Aris
Jurnal Spasial Vol 11, No 4 (2024)
Publisher : Program Studi Pendidikan Geografi Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/js.v11i4.9913

Abstract

Graph theory is a branch of mathematical study that studies the relationship of a non-empty set which contains several elements called vertices and a list of paired elements called edges. Graph coloring is a technique of adding color to every point on a graph. The purpose of this study is to make it easier for map readers to distinguish each region on a map of East Kalimantan Province. This study implements graph coloring using the Welch-Powell algorithm method which colors the graph based on the highest degree of the end point. This study resulted in graph coloring on the East Kalimantan map obtaining a chromatic number X(G) = 3 in red for the Kutai Kartanegara, Paser, and Berau regions, then blue for the North Penajam Paser, Mahakam Ulu, Botang, and Samarinda regions, and the color green for West Kutai, East Kutai and Balikpapan.
SPATIAL ANALYSIS OF FLOOD HAZARDOUS IN AMBON CITY BASED ON GEOGRAPHICAL INFORMATION SYSTEM (GIS) Lasaiba, Mohammad Amin
Jurnal Spasial Vol 11, No 4 (2024)
Publisher : Program Studi Pendidikan Geografi Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/js.v11i4.9914

Abstract

Ambon City is one of the cities with a relatively high flood disaster intensity. This study aims to analyze the factors that cause flooding and determine the vulnerability of flooding. The method is based on a geographic information system (GIS) by integrating secondary and primary data. Parameters analyzed include elevation, rainfall, slope, soil type, and land use. Study results show that the factors causing flooding in Ambon City include relatively high-intensity rains, land use patterns dominated by mixed gardens, slopes in lowland areas, low elevations, and soil types easily inundated with water. The flood hazard zone is divided into three classes, namely high, medium, and low hazard zones. Areas with high vulnerability are 2,251.3 ha (6.99%) of the total area of the study area. For this reason, the community and the Ambon City government need to pay attention to this area in dealing with flood disasters.
UPAYA PENANGGULANGAN SISA MATERIAL PASCA BENCANA BANJIR BANDANG DI NAGARI ANDALEH BARUH BUKIK KECAMATAN SUNGAYANG Davison, Emil; Sabila, Belia; Juita, Erna; Zuriyani, Elvi
Jurnal Spasial Vol 11, No 4 (2024)
Publisher : Program Studi Pendidikan Geografi Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/js.v11i4.9915

Abstract

Flash Flood or "Galodo" disaster hit West Sumatra around Mount Merapi on Saturday, May 11, 2024. Several areas such as Nagari Andaleh, Pandai Sikek, Limo Kaum, and several areas in Agam and other Tanah Datar were hit by this flood. Galodo is a river flow that flows downstream with sediment such as sand and gravel. Flash floods or galodo occur because the static balance between the shear force generated by the flow is greater than the shear force of the sediment mass that holds it. Flash floods or galodo occur because of holding Flash floods or galodo occur because. Areas included in the danger category are areas around Mount Merapi within a radius of 5 km from the center of activity. To avoid the danger of lava flows, especially in areas with low topography and deep valleys along the river flow that originates from around the peak crater, and pay attention to the currently active crater on the western peak which has a greater threat of eruption in Nagari Baruh Bukik, Sungayang District, Tanah Datar Regency, West Sumatra Province. Contributing factors include slope gradient, elevation class, soil texture, rainfall, land use, and buffers from the river network.

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