IDENTIFICATION OF FLOOD CHARACTERISTICS AND VULNERABILITY LEVELS IN KOTAMOBAGU CITY USING THE COMPOSITE MAPPING ANALYSIS (CMA) METHOD
Keywords:
Flood, Composite Mapping Analysis, Kotamobagu CityAbstract
Kotamobagu City, as one of the strategic areas in North Sulawesi, faces major challenges related to recurring annual floods. This study aims to map flood-prone areas in Kotamobagu City using the Composite Mapping Analysis (CMA) method. The method integrates several important variables such as rainfall, slope gradient, land cover, soil texture, and distance from rivers, which are then analyzed through a Geographic Information System (GIS). The results of the study indicate that, from the total research area, there are five categories of flood vulnerability: very low, low, moderate, high, and very high. Areas with very high flood vulnerability are widely distributed across several districts, particularly in regions with a high level of urbanization and poor drainage capacity. Furthermore, the main factors causing floods in Kotamobagu are the overflowing of rivers due to heavy rainfall and uncontrolled land-use conversion in upstream areas. This research provides an accurate flood vulnerability map, which can serve as a strategic foundation for the local government in planning more effective mitigation efforts and reducing flood disaster risks in the future.
Downloads
References
Badan Pusat Statistik Kota Kotamobagu. (2024). Kota Kotamobagu dalam angka 2023. Kota Kotamobagu: BPS Kota Kotamobagu.
CNN Indonesia. (2021, 24 Februari). Doni Monardo: Pencegahan dan mitigasi harus jadi ruh kesiapsiagaan bencana. CNN Indonesia. Diakses dari https://www.cnnindonesia.com
Fauziah, N. (2020). Analisis daerah rawan banjir dengan menggunakan metode Composite Mapping Analysis (CMA) (Studi kasus: Kabupaten Madiun) (Disertasi Doktoral, Institut Teknologi Sepuluh November).
Hasddin, H., & Tamburaka, E. (2021). Studi karakteristik dan wilayah terdampak banjir di Kecamatan Mandonga, Kota Kendari. Jurnal Pembangunan Wilayah dan Kota, 17(4), 420-427.
Kodoatie, R. J., & Sugiyanto. (2002). Banjir: Beberapa penyebab pengendaliannya dan dalam metode perspektif lingkungan. Yogyakarta: Pustaka Pelajar
Muttaqin, K., Maulita, M., Fitria, L., Ihsan, A., & Mulya, R. (2023). Mapping Flood-Prone Areas Based Geographic Information System Using Composite Mapping Analysis. International Journal of Geoinformatics, 19(12), 93–105. https://doi.org/10.52939/ijg.v19i12.2983.
Nalurita, V. A. Analisis tingkat kerawanan bencana banjir berdasarkan pemodelan SIG pada wilayah Kota Jember (Disertasi Doktoral, Fakultas Keguruan dan Ilmu Pendidikan).
Natasya, I. (2022). Arahan penanganan bencana banjir pada perumahan di kawasan sub urban Kota Makassar (Studi kasus: Perumnas Antang Blok 10, Kelurahan Manggala) (Disertasi Doktoral, Universitas Hasanuddin).
Sugiyono. (2016). Statistika untuk penelitian. Bandung: Alfabeta.
Taufik, M., & Rahman, I. W. (2020). Pemetaan daerah rawan banjir (studi kasus: banjir Pacitan Desember 2017). Geoid, 15(1), 12-19.
Pemerintah Kota Kotamobagu. (2018). Rencana pembangunan jangka menengah daerah (RPJMD) Kota Kotamobagu 2018-2022: Permasalahan dan isu-isu strategis daerah. Pemerintah Kota Kotamobagu.
Putra, M. A. R. (2017). Pemetaan kawasan rawan banjir berbasis sistem informasi geografis (SIG) untuk menentukan titik dan rute evakuasi (Disertasi Doktoral, UIN Alauddin Makassar).
Putra, M. (2022). Faktor-faktor penyebab genangan banjir di Kelurahan Tuah Madani Kecamatan Tampan (Disertasi Doktoral, Universitas Islam Riau).
Rakuasa, H., & Latue, P. C. (2023). Analisis spasial daerah rawan banjir di DAS Wae Heru, Kota Ambon. Jurnal Tanah dan Sumberdaya Lahan, 10(1), 75-82.
Rizaldy, D. F. (2022). Pemetaan daerah rawan banjir di Kecamatan Kampar Kiri Hilir berbasis sistem informasi geografis (Disertasi Doktoral, Universitas Islam Riau).
Saffitri, V., & Ashar, F. (2023). Pemetaan dan analisis daerah rawan banjir di Kota Padang. Jurnal Applied Science in Civil Engineering, 4(1), 83-89.
Taufik, Rahman & Wifie. Pemetaan Daerah Rawan Banjir Studi Kasus: Banjir Pacitan Desember (2017). ISSN 2442-3998. https://iptek.its.ac.id/index.php/geoid/article/view/3870
Undang-undang Nomor 24 Tahun 2007 tentang Penanggulangan Bencana.
Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2025 Azzahra Mursid, Windy Mononimbar, Rachmat Prijadi

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
By Submitting your manuscript to our journal, your are following Copyright & License