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All Journal Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Teknik Sipil Cendekia (JTSC)
Tri Juniati, Atie
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Environmental Science

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Performance Evaluation for Surface Run off to Drainage System Normalization at Campus in Jakarta, Indonesia Ariyani, Dwi; Sari, Adrima; Tri Juniati, Atie; Untarti, Atiek; khaddafy, Aditya
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 14 No 2 (2024): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.14.2.364

Abstract

Drainage is an infrastructure that distributesrainwater from one location to another. On the campus of the Faculty of Engineering at Pancasila University, there are several points of water inundation. Several inundation points were identified based on direct monitoring and measurements at the study site. This study aimed to evaluate the effectiveness of an existing drainage system on campus. The design flood discharge was calculated using a rational method with a five-year return period. From the calculation of hydrology, hydraulics, and comparative analysis of the existing dimensions with the design flood discharge, it was determined that the eight existing channels were unable to accommodate the design flood discharge. Therefore, there are two alternatives for reducing run off discharge. The first is to redesign the drainage channel to improve its size of the drainage channel with a shape that follows the existing shape. The modification involved adjusting the channel height to meet the specified flood discharge requirements. The second alternative was the planning of the infiltration wells. These dimensions are based on the design run off flood discharge, and from the calculation results, the dimensions of the infiltration wells are 1.5 meters in diameter and 2.5 meters high, and four infiltration wells are needed is 4 infiltration wells to reduce the discharge of 1,638 m3/second.
SPATIO-TEMPORAL ANALYSIS OF LAND COVER CHANGE (1990–2021) AND ITS IMPLICATIONS ON HYDROLOGICAL RISK IN THE CENTRAL CILIWUNG WATERSHED (DEPOK–SOUTH JAKARTA) : Dinamika Perubahan Tata Guna Lahan di DAS Ciliwung Bagian Tengah dan Implikasinya terhadap Lingkungan Perkotaan Yan Oktaria, Belicka; Tri Juniati, Atie; Teguh Prasidha, I Nyoman
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 1 (2026): Februari
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i1.425

Abstract

The Central Ciliwung Watershed represents a strategic hydrological transition zone between upstream and downstream Jakarta that has experienced rapid urban transformation over the past three decades. This study analyzes spatio-temporal land cover change from 1990 to 2021 and evaluates its implications for hydrological risk. Multi-temporal Landsat Collection 2 Level-2 imagery (30 m spatial resolution) for 1990, 2000, and 2011 and Sentinel-2 Level-2A imagery (10 m spatial resolution) for 2021 were processed. Sentinel-2 imagery was resampled to 30 m to ensure spatial consistency. Atmospheric correction and cloud masking were applied using QA bands and Scene Classification Layer (SCL). Supervised classification with the Random Forest algorithm produced an overall accuracy of 87.6% and a Kappa coefficient of 0.84. Built-up land expanded from 8,240.24 ha (23.9%) in 1990 to 29,258.90 ha (86.3%) in 2021, while agricultural and vegetated areas declined substantially. Increasing impervious surfaces reduce infiltration capacity and elevate runoff coefficients, potentially intensifying peak discharge. These findings highlight the importance of integrated watershed-scale planning and infiltration-based urban drainage strategies.
Co-Authors Dwi Ariyani khaddafy, Aditya Sari, Adrima Teguh Prasidha, I Nyoman Untarti, Atiek Yan Oktaria, Belicka