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All Journal Journal of Education, Humaniora and Social Sciences (JEHSS) Specta Journal of Technology Electronic Journal of Education, Social Economics and Technology
Maulidya, Haya Aqilah
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Evaluasi Rencana Tata Ruang Wilayah Kota Pangkalpinang Tahun 2011-2030 Berdasarkan Sebaran Kerawanan Banjir Fitriansyah, Hadi; Ajrina, Fadiah Izzah; Caesar, Muhammad Yusuf; Maulidya, Haya Aqilah
SPECTA Journal of Technology Vol. 8 No. 3 (2024): SPECTA Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/specta.v8i3.1204

Abstract

Flooding occurs when river water overflows and inundates the surrounding flat areas due to the river's inability to contain excess water. Pangkalpinang City, as the capital of Bangka Belitung Islands Province, has several locations that are prone to flooding during the rainy season. There have been 192 flood incidents across seven districts, making it crucial for decision-makers to identify flood-prone areas for planning purposes and to better understand the vulnerable regions to implement more effective preventive measures. This study aims to map the distribution of flood-prone areas and analyze the correlation between the spatial plan of Pangkalpinang City for 2011-2030 and flood-prone regions. The study uses scoring, weighting, and overlay methods with ArcMap 10.8 software. The data used in this study include slope gradient, elevation, soil type, land use, and rainfall. It is important to evaluate the Spatial Plan of Pangkalpinang City for 2011-2030 concerning flood vulnerability. The results of the study show that flood hazard classes in Pangkalpinang City are dominated by the low hazard class covering an area of 910.74 ha, the moderate hazard class covering 5,959.63 ha, and the high hazard class covering 3,559.90 ha. The benefits of evaluating the spatial plan of Pangkalpinang City based on flood vulnerability distribution include raising awareness among the government and the public regarding flood disasters, enabling the city government to utilize the results to strengthen flood mitigation efforts, improving the effectiveness of planning and environmental management, and optimizing land use. The spatial plan based on flood-prone areas shows that the protected area, covering 1,274.98 ha, predominantly falls into the high flood-prone category, while the cultivation area, covering 5,275.52 ha, predominantly falls into the moderate flood-prone category.
Spatial Analysis for Prioritizing Flood Inundation Mitigation Using the Topographic Wetness Index: A Case Study of Pangkal Pinang City Fitriansyah, Hadi; Ajrina, Fadiah Izzah; Caesar, Muhammad Yusuf; Maulidya, Haya Aqilah; Mustika, Tirta
Electronic Journal of Education, Social Economics and Technology Vol 6, No 2 (2025)
Publisher : SAINTIS Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33122/ejeset.v6i2.826

Abstract

Flooding is a recurring environmental challenge in Pangkal Pinang City, influenced by both natural topographic conditions and increasingly intensive land use changes. This study aims to assess spatial flood risk using the Topographic Wetness Index (TWI) as a hydrological indicator derived from Digital Elevation Model (DEM) data. Through slope and flow accumulation analysis, TWI values were calculated and classified using the equal interval method into five classes: very low, low, medium, high, and very high. The results show that the majority of the area falls into the very low and low categories, indicating good drainage conditions. However, localized zones of high and very high TWI values were identified in Bukit Intan, Gabek, and Rangkui sub-districts. In Bukit Intan, high flood susceptibility is linked to large-scale land clearing for industrial areas, residential expansion, and fish ponds. In Gabek, extensive deforestation for new settlements contributes to increasing flood risks. Meanwhile, in Rangkui, the accumulation of water is exacerbated by the density of existing built-up areas and insufficient drainage infrastructure. These findings highlight the relevance of TWI as a spatial analysis tool to support urban flood mitigation planning, especially in areas undergoing rapid land conversion. The study emphasizes the need to integrate topographic analysis into urban development policies to ensure flood-resilient growth.
Analisis Sebaran Kerawanan Banjir Menggunakan Metode Spatial Multi-Criteria Evaluation (SMCE) di Kota Pangkalpinang Fitriansyah, Hadi; Setiawan, Fahri; Caesar, Muhammad Yusuf; Maulidya, Haya Aqilah
Journal of Education, Humaniora and Social Sciences (JEHSS) Vol 7, No 2 (2024): Journal of Education, Humaniora and Social Sciences (JEHSS), November
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jehss.v7i2.2398

Abstract

Pangkalpinang is an area with a high potential for flood hazards. Therefore, it is essential to conduct spatial analysis to determine the flood vulnerability levels in this region. This study aims to assess flood vulnerability in Pangkalpinang City spatially. The research uses a quantitative approach with data analysis conducted through the overlay method and Analytic Hierarchy Process (AHP). The SMCE analysis results indicate that most areas in Pangkalpinang City have moderate to high flood vulnerability levels, suggesting a significant potential for flooding. Regarding dominant factors, the AHP weighting results show that land use plays a major role in determining flood vulnerability, with a weight of 0.40, meaning land use contributes 40% of the total factors. Built-up areas have a higher flood risk, explaining the high vulnerability in the city center of Pangkalpinang. Conversely, areas with low or no vulnerability are generally located in higher elevation zones with non-built-up land use, indicating that greater vegetation and higher terrain reduce the likelihood of flooding.
Co-Authors Ajrina, Fadiah Izzah Caesar, Muhammad Yusuf Fahri Setiawan Hadi Fitriansyah Mustika, Tirta