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Hydrologic Performance Analysis of a Coastal Reservoir for Urban Flood Management Emir Hansen Pasaribu, David; Sisinggih, Dian
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol. 17 No. 1 (2026): In Press
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.pengairan.2026.017.01.5

Abstract

Jakarta continues to experience severe flooding due to extreme rainfall and limitations in existing flood‑control infrastructure. As part of the city’s integrated coastal defense system, the East Side Coastal Reservoir (ESCR) is intended to function as the final component after upstream dams, levees, retarding basins, and estuary water gates. Its effectiveness, however, depends on whether its reservoir storage capacity can accommodate extreme flood volumes generated within the catchment area. This study assesses the hydrologic performance of the ESCR by estimating flood volumes for return periods of 2, 5, 10, 50, 100, 200, and 1000 years. The methodology integrates spatial analysis using Google Earth Pro and QGIS to derive catchment characteristics, including DEM‑based topography and soil type data, followed by hydrologic modeling using HEC‑HMS. Flood volumes were computed using the water‑loss method and compared against the reservoir storage capacity. Results show that the ESCR provides 145 million m³ of storage, whereas the 1000‑year return‑period flood generates 297 million m³ of runoff. Thus, the reservoir can accommodate only 48.87% of the extreme event, indicating limited effectiveness for large‑magnitude floods. These findings offer important insight for future coastal reservoir planning and design in Jakarta.
Co-Authors Abdillah, Rusdan Adiputra, Dhimas Satibi Andre Primantyo Andre Primantyo Hendrawan Andriyani, Setinda Eka Aniek Masrevaniah Arief Satria M. Atika , Yumna Azmi, Muhammad Haikal Bayu Rahayudi Berlian, Ramadhan Sangsang Danang Bimo Irianto Delivean Rakha Dermawan Dhitaisma, Elsya Donny Harisuseno Dwi Priyantoro Dwiprayogo, Bayu Elroy Koyari Emir Hansen Pasaribu, David Ery Suhartanto Evi Nur Cahya Fachrudin, Faruq Abdurrahman Fatian, Ceryl Amin Hakim, Anita Maulidiyah Rahma Hari Prasetijo Hariyanto, Andri Kwin Hariyoni Hariyoni Heri Suprijanto Hidayah, Tita Ikrar Hanggara, Ikrar Iskandar Iskandar Ivan Dwi P K., Anggraeni Dwi Kurniawati, Oktavia Triana Lake, Tania C. M. Lily Montarcih Limantara Linda Prasetyorini M. Amar Sajali M. Bisri Mahardhika, Tatag Tata Mahyaya M. Rahman Maulina, Chatherine Grace Moh. Sholichin Mohammad Bisri Muhammad Bisri Munfarid, Munfarid Noverdo, Rolanda Nugraha, Apria Wayah Patra Surya Nurwijayanti Palupi, Gema Anggun Pitojo Tri Juwono Prasetyo, Wibi Bagus Puguh Wahyudi, Puguh Purnomo, Yehezkiel Christian Putri, Dea Anggara Putu Ratih Wijayanti Qadri S, Wahyuddin Rahmadani, Siska Rahman, Kurdianto Idi Ramadian, Favian Giffary Rastanto, Ridho Nur Aziz Rayhan, Nabil Resti Ambarsari, Diyah Rifai, A Rini Wahyu Sayekti Riyadi, Bagus Riyanto Haribowo Roosydi, Yayan Ishad Runi Asmaranto Saifuddin Zuhri, Muhammad Iqbal Sebastian, Bintang Shadra, Ken Haidar Siregar, Jeremi Ishak Sorey, Teddy Dolfie Sri Wahyuni Sri Wahyuni Sugiarto S Sulianto Sulianto Sumiadi Sumiadi, Sumiadi Suwanto Marsudi Syaelendra, M. Sina Syaiful Anam Ussy Andawayanti Very Dermawan Wahyu Prasetyo Wayan Andi Frederich Gunawan Widodo, Ibnu Sam Widyaningrum, Aprilia Willy Kriswardhana Yudo Tri Kuncoro Yusril Fatrah Zulkanzi, Achmad Kamili