Pengaruh Debit Limpasan Banjir Terhadap Kawasan Matangkuli Pada Subdas Krueng Keureuto

Fadhliani Fadhliani, Nanda Savira Ersa, Teuku Mudi Hafli

Abstract


Abstrak

 

Banjir merupakan salah satu bencana alam di mana air yang berlebihan tidak mampu dialirkan ke sungai maupun saluran saluran yang ada (drainase). Kecamatan Matangkuli merupakan salah satu daerah terdampak banjir dari Krueng Keureuto. Hampir setiap tahun terjadi banjir yang merugikan aspek sosial ekonomi masyarakat. Oleh karena itusebagai studi awal terlebih dahulu perlu dilakukanperlu dilakukan analisa dampak banjir terhadap kawasan Matangkuli di sepanjang sungai Keureuto. Curah hujan rencana dianalisis dengan periode ulang 20, 50 dan 100 tahun. Analisis hidrograf banjir menggunakan persamaan Nakayasu. Untuk melakukan simulasi aliran sungai menggunakan software HEC-RAS Mapper. Hasil yang diperoleh pada lokasi tinjauan, sungai tidak dapat menampung debit banjir rencana. Selain itu, diprediksi genangan banjir sedalam 1-2 meter dengan klasifikasi bahaya banjir menengah hingga berat.

 

Kata kunci: banjir, HEC-RAS, debit rencana

 

Abstract

 

Flood is one of the natural disasters where excessive water is not able to collected by existing channels (drainage). Kecamatan Matangkuli is one of the flood-prone areas around Krueng Keureuto. Almost every year there are floods that harm the community. Therefore, as a prior study, it is necessary to analyze the impact of Krueng Keureuto flood on the Matangkuli area. Planned rainfall was analyzed with return periods of 20, 50 and 100 years. Flood hydrograph analysis using the Nakayasu equation. HEC-RAS Mapper is used to perform river flow simulation. Results show that the river section cannot accommodate the planned flood discharge. In addition, hazard flood is classified medium to high with depth flood 1-2 meters.

 

Keywords: flood, HEC-RAS, planned rainfall


Keywords


flood, HEC-RAS, planned rainfall

Full Text:

PDF

References


Amin, M. B. A., Sarino & Haki, H., 2017. Floodplain Simulation for Musi River Using Integrated 1D/2D Hydrodynamic Model. MATEC Web of Conferences, Volume 101, pp. 1-6.

Anonim, 2016. RBI (Risiko Bencana Indonesia). Jakarta: Badan Nasional Penanggulangan Bencana.

Anonim, 2021. Kabupaten Aceh Utara dalam Angka 2021, Aceh Utara: BPS.

Anonim, 2021. Profil Kabupaten Aceh Utara, pp. 9–37. [Online]

Available at: https://sippa.ciptakarya.pu.go.id/sippa_online/ws_file/ dokumen/rpi2jm/DO CRPIJM_1cf7a8b048_BAB II2. BAB II-Profil Kabupaten.pdf.

[Accessed 2021].

Brunner, G. W. & CEIWR-HEC, 2016. HEC-RAS, River Analysis System, HEC- RAS Mapper User’s Manual [Online]. State of California: US Army Corps of Engineers–Hydrologic Engineering.

Farid, M., Pusparani, H. H., Kusuma, M. S. B. & Natasaputra, S., 2017. Study on Effectiveness of Flood Control Based on Risk Level: Case Study of Kampung Melayu Village and Bukit Duri Village. EDP Sciences, Volume 101, pp. 1-6.

Hutajulu, A., 2018. Simulasi Banjir Dengan HEC-RAS Pada Sungai Krueng Jambo, Banda Aceh: Universitas Syiah Kuala.

Jafaruddin, 2021. aceh.tribunnews.com. [Online]

Available at: https://aceh.tribunnews.com/2021/10/07/masa-tanggap-darurat-penanganan-banjir-aceh-utara-14-hari-akibat-meluap-krueng-keureuto-dan-pase [Accessed 17 November 2021].

Junaidi, A., Nurhamidah & Daoed, D., 2018. Future Flood Management Strategies in Indonesia. MATEC Web of Conferences, Volume 229, pp. 1-7.

Limantara, L. M., 2018. Rekayasa Hidrologi: Edisi Revisi. Yogyakarta: Andi.

Ongdas, N. et al., 2020. Application of HEC-RAS (2D) for Flood Hazard Maps Generation for Yesil (Ishim) River in Kazakhstan, Water (Switzerland), 12(10), pp. 1–20. doi: 10.3390/w12102672.. Water, 12(10), pp. 1-20.

Romali, N. S., Yusop, Z. & Ismail, A. Z., 2018. Application of HEC-RAS and ArcGIS for Flood Plain Mapping in Segamattown, Malaysia. International Journal of GEOMATE, 14(43), pp. 125-131.

Soewarno, 1995. Hidrologi Aplikasi Metode Statistik Untuk Analisa Data. Bandung: Nova.

Umam, C., 2022. Analisis Dampak Perubahan Tata Guna Lahan Terhadap Debit Banjir Pada Hulu Daerah Aliran Sungai Kereuto, Lhokseumawe: Universitas Malikussaleh.

Wismarini, T. & Ningsih, D. H. U., 2011. Metode Perkiraan Laju Aliran Puncak (Debit Air) sebagai Dasar Analisis Sistem Drainase di Daerah Aliran Sungai Wilayah Semarang Berbantuan SIG. Dinamik, 16(2), pp. 124-132.




DOI: http://dx.doi.org/10.29103/tj.v12i2.667

Refbacks

  • There are currently no refbacks.


Copyright (c) 2022 Nanda Savira Ersa

Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

P-ISSN: 2088-0651 

E-ISSN: 2502-1680

 Google Scholar

 
Accredited based on Sinta 3 based on the Decree of the Director General of Strengthening Research and Development of the Ministry of Research, Technology and Higher Education of the Republic of Indonesia Number 23/E/KPT/2019
Valid for 5 years, Volume 9 Number 1 Year 2019 to Volume 13 Number 1 Year 2023

 

Creative Commons "Attribution-ShareAlike”

Attibusion Internasional (CC BY-SA 4.0)




Published 2 times a year
March and September

Published by:
The Research institutions and community service (LPPM) Universitas Malikussaleh

In cooperation with Ikatan Sarjana Teknik Sipil (ISATSI NAD) Lhokseumawe


Web Analytics

View My Stats