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All Journal Indonesian Journal of Geography Teras Jurnal BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Jurnal Serambi Engineering Journal of the Civil Engineering Forum Jurnal Teknik Sumber Daya Air CSID Journal of Infrastructure Development
Evi Anggraheni, Evi
Civil And Environmental Engineering, Faculty Of Engineering, Universitas Indonesia, Indonesia
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Energy Engineering Environmental Science Social Sciences Transportation

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Journal : CSID Journal of Infrastructure Development

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Recommendations on Flood Management at Cengkareng Drain Estuary in Enhancing Estuary Resilience to Compound Hazard Hastomo, Athena; Anggraheni, Evi; Prasetyo, Adi; Sutjiningsih, Dwita
CSID Journal of Infrastructure Development Vol. 6, No. 2
Publisher : UI Scholars Hub

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Abstract

Jakarta's coastal region, characterized by dense settlements and industrial zones, faces significant flood risks due to land subsidence and rising sea levels, exacerbated by human activities and climate change. This study evaluates the effectiveness of the National Capital Integrated Coastal Development (NCICD) project, which proposes embankments along Jakarta's coast for enhanced flood resilience. Focusing on the Cengkareng Drain estuary, two-dimensional HEC-RAS simulations were employed. This study incorporates various factors such as precipitation, tides, waves, rising sea levels, and land subsidence to model extreme flood scenarios. The analysis reveals key strategies to improve flood management. Firstly, introducing new pumping stations and augmenting existing ones can reduce inundation by 43.16% under present conditions and significantly up to 53.16% by 2050. Secondly, regular dredging to sustain channel capacity is crucial. Additionally, mitigating local land subsidence through stringent law enforcement and heightened public awareness is vital for long-term flood control. These findings offer actionable insights into advancing Jakarta's flood management strategies in the face of evolving environmental challenges.
Impact Analysis of Land Use Changes on Inundation Map In The Ciliwung River Watershed Zein, Muhammad Raihan Arkan Abiyan; Anggraheni, Evi; Yahya, Dadang Muhamad
CSID Journal of Infrastructure Development Vol. 6, No. 2
Publisher : UI Scholars Hub

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The rapid population growth in Indonesia’s DKI Jakarta Province has escalated the demand for housing, increasing built-up land at the expense of green open spaces, known as Ruang Terbuka Hijau (RTH). This shift has significantly reduced the land available for water infiltration, resulting in increased runoff and flow discharge, particularly in the Ciliwung River Watershed. This research aims to map inundation in the Ciliwung River Watershed, which is attributable to land cover changes from 1990 to 2022. The study examines flood flow discharge and inundation patterns by utilizing HEC-HMS 4.10 for hydrological modeling and HEC-RAS 6.1 for 1D and 2D hydraulic models. Boundary conditions were based on recorded flood flow discharge at the Manggarai Water Gate and Katulampa Dam, combined with historical rainfall data, to represent watershed conditions accurately. Applying 1D and 2D models provides a detailed visualization of inundation changes over time. Findings reveal that identical rainfall events result in varying flood flow discharges and inundation extents due to different land covers. The Kinematic Wave routing method demonstrated high accuracy, with Nash-Sutcliffe Efficiency (NSE) and regression coefficient values of 0.93 and 0.99, respectively. The study concludes that flow discharge and inundation areas increase with the Curve Number (CN) value. Furthermore, the magnitude of rainfall return periods significantly influences discharge volumes and inundation depths, with areas experiencing 0 – 0.3 meters of flooding predominant in the Ciliwung watershed.
Co-Authors Adi Prasetyo Adi Prasetyo Agus Surandono Ahmad Zubair Aldiastama Kamanda, Aldiastama Kamanda Alloysius Pamurda Dhika M Anang Muchlis Andry Rustanto Anggiarini, Arin Athena Hastomo Atina Umi Kalsum Babag Purbantoro Bambang Heri Mulyono Dadang Muhammad Yahya Dwita Sutjiningsih Fadilla Ayu Fauzia Faris Zulkarnain Guswanto Hastomo, Athena Herr Soeryantono Ika Agustin Ningrum Iqbal Putut Ash-Shidiq Irma Susanti Jeanette Chriselda Haulussy Kintan Maulidina Mahendra Mahendra Muhammad Dimyati Nicolas Bernier Parhusip, Yemima Gaberiella Pranita Giardini Prastica, Rian Mantasa Salve Pratama, Mochamad Adhiraga Raisya Afifah Ratih Dewanti Rolia, Eva Setiyowati, Agis Siswanto Siswanto Sumira, Maria Triarko Nurlambang Yahya, Dadang Muhamad Yumna Adwitiya, Nisrina Zein, Muhammad Raihan Arkan Abiyan