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156 publikasi ditemukan tahun 2021
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The Integrated Spatial Assessment of The Flood Hazard Using AHP-GIS: The Case Study of Gorontalo Regency

Indonesian Journal of Geography doi:10.22146/ijg.59999

Mapping of potential flood hazards is an important element in ensuring proper planning of development and implementing flood disaster mitigation efforts for flooded areas. Therefore, this study was conducted to assess the regional-scale flood hazard areas in Gorontalo District using an AHP-GIS integration technique with the focus on factors such as annual rainfall, elevation, slope, soil type, distance to the water bodies, and land-use. The flood hazard was divided into five classes, ranging from very low to very high, and 13.61% of the total area in Gorontalo Regency is classified as either high or very high. Moreover, the distribution of the hazard was verified and 65 events were recorded to have a level of 90.7% and this indicates the model is reliable to assess flood hazard. The results showed GIS-AHP integration is a promising method to accurately predict flood-hazard areas, especially in those with limited data.

Artikel Jurnal 2021 Q3 SINTA 1 OA
24 sitasi
8
Artikel Jurnal • 2024 • SINTA 5 •

Tinjauan Kinerja Simpang Tak Bersinyal Jl. AA Wahab, Jl. Sun Ismail, Dan Jl. Kh Hutu Badu Di Kabupaten Gorontalo

Jurnal Simetrik

Abstract

Penelitian ini berjudul "Tinjauan Kinerja Simpang Tak Bersinyal Jl. A. A. Wahab, Jl. Sun Ismail, dan Jl. KH Hutu Badu" yang dianalisis menggunakan metode pedoman Jalan Indonesia 2023. Penelitian ini bertujuan untuk mengevaluasi kinerja persimpangan tak bersinyal di Kabupaten Gorontalo berdasarkan data survei lapangan dan analisis perhitungan. Hasil penelitian menunjukkan bahwa tingkat arus lalu lintas tertinggi terjadi pada jam 17.00-18.00 WITA. Kinerja persimpangan dinilai dari beberapa indikator utama: nilai derajat kejenuhan (Dj) sebesar 0,501, yang masih lebih kecil dari batas maksimum 0,85; tundaan lalu lintas sebesar 5,86 detik, yang berada di bawah ambang batas 10 detik; dan nilai peluang antrian sebesar 17,92%, yang berada di bawah batas aman 35%. Kesimpulan dari analisis ini mengindikasikan bahwa kinerja persimpangan tersebut masih berada dalam kategori yang baik dan aman menurut pedoman yang berlaku.

Kata Kunci

Simpang tak bersinyal; kinerja simpang; PKJI 2023

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