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All Journal Indonesian Journal of Geography Teras Jurnal BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Jurnal Manajemen Aset Infrastruktur dan Fasilitas Jurnal Serambi Engineering Jurnal Locus Penelitian dan Pengabdian Journal of the Civil Engineering Forum Jurnal Teknik Sumber Daya Air Acitya Wisesa: Journal of Multidisciplinary Research CSID Journal of Infrastructure Development Jurnal Teknik Sipil
Evi Anggraheni, Evi
Civil And Environmental Engineering, Faculty Of Engineering, Universitas Indonesia, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Library & Information Science Mathematics Physics 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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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.
Analysis of the Suitability of C-Band Radar-Based Rainfall Data with Rain Gauge Stations in the Upper Ciliwung Watershed, Indonesia Ghinannafsi, Daffa Aliyo; Anggraheni, Evi; Rizal, Muhammad; Halim, Peter Hartono
CSID Journal of Infrastructure Development
Publisher : UI Scholars Hub

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Accurate rainfall estimation is essential for hydrological modelling and flood risk management, particularly in mountainous watersheds where rain gauge coverage is limited. This study evaluated the performance of a calibration correction method for C-Band radar rainfall estimates in the Upper Ciliwung Watershed using data from five rain gauge stations and 100 rainfall events. Data quality was verified through outlier and consistency tests before applying a daily calibration correction factor derived from gauge observations. Radar performance was evaluated using the Nash-Sutcliffe Efficiency (NSE), Percent Bias (PBias), and Root Mean Square Error (RMSE). Before correction, radar estimates substantially overestimated rainfall, with NSE values below -500, RMSE values above 300 mm, and PBias exceeding 1000% at all stations. A uniform correction factor of 0.077 reduced systematic bias, decreasing RMSE to below 35 mm and improving NSE values, although no station achieved the satisfactory threshold (NSE > 0.5). Accuracy after correction ranged from 13.22% to 56.28%. The results demonstrate that the calibration method substantially reduced radar bias but did not achieve sufficient accuracy for direct hydrological applications. Additional correction techniques are required before C-Band radar rainfall data can be reliably integrated into hydrological models and operational flood warning systems in the Upper Ciliwung Watershed.
Co-Authors Adi Prasetyo Adi Prasetyo Agis Setiyowati Agus Surandono Ahmad Zubair Aldiastama Kamanda, Aldiastama Kamanda Alloysius Pamurda Dhika M Anang Muchlis Andry Rustanto Anggiarini, Arin Arin Anggiarini Ash Shidiq, Iqbal Putut Athena Hastomo Atina Umi Kalsum Babag Purbantoro Bambang Heri Mulyono Dadang Muhammad Yahya Daniel Martua Dianah Sarah Dwita Sutjiningsih Eva Rolia Evy Mutri Listyaningtyas Fadilla Ayu Fauzia Faris Zulkarnain Ghinannafsi, Daffa Aliyo Guswanto Halim, Peter Hartono Hamid, Nurul Hastomo, Athena Herr Soeryantono Ika Agustin Ningrum Irma Susanti Jeanette Chriselda Haulussy Kintan Maulidina Mahendra Mahendra Martua, Daniel Mochamad Adhiraga Pratama Muh. Rivan Saranani Muhammad Dimyati MUHAMMAD RIZAL Nicolas Bernier Nurul Hamid Pranita Giardini Prastica, Rian Mantasa Salve Raisya Afifah Ratih Dewanti Setiyowati, Agis Siswanto Siswanto Sumira, Maria Sutjiningsih, Dwita Triarko Nurlambang Yahya, Dadang Muhamad Yemima Gaberiella Parhusip Yumna Adwitiya, Nisrina Zein, Muhammad Raihan Arkan Abiyan