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All Journal Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil Journal of Tourism Sustainability
Rahayu, Harkunti Pertiwi
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Humanities Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Engineering Social Sciences Transportation

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The Effectiveness of Structural Mitigation to Flood Disaster Reduction in Tebet, Matraman, and Jatinegara Sub-District of Jakarta City Kesuma, Tri Nugraha Adi; Kusuma, Muhammad Syahril Badri; Farid, Mohammad; Kuntoro, Arno Adi; Rahayu, Harkunti Pertiwi
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 1 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i1.17486

Abstract

Floods are the dominant color of the interaction of human activities and natural mechanisms that occur every year in the city of Jakarta. Various efforts have been made to reduce flooding in Jakarta, but flooding is still the dominant color, especially on the banks of the Ciliwung River. On the banks of the Ciliwung River, Tebet, Matraman and Jatinegara sub-districts are the three areas that experienced the most severe overflows of the Ciliwung River. Flood mitigation efforts in these three areas have been carried out in the form of increasing the drainage capacity of the Manggarai Gate and normalizing the river in the form of dredging and construction of embankments. However, this effort is not optimal because the implementation of normalization is hampered by social conflicts. This paper discusses mitigation efforts in the form of normalization and combination with retention ponds which are carried out by simulating flooded areas. Completion of the normalization of the Ciliwung River is not the best solution to deal with flooding in Jakarta. The flood volume which usually occupies the flood area flows quickly due to changes in the geometry of the river and causes changes in the hydrograph peak and causes flooding in the downstream part of the study area causing an increase in inundation area in Manggarai up to 200%. On the other hand, the use of retention/storage ponds on limited land has been able to reduce flood inundation by 10%. Therefore, staging in the planning and construction of flood mitigation infrastructure needs to be considered and planned thoroughly.
The Resilience of a Coastal Tourist Destination: An Analysis of Pangandaran's Tsunami Risk Marpaung, Grace; Rahayu, Harkunti Pertiwi
Journal of Tourism Sustainability Vol. 5 No. 4 (2025): (Article In Press)
Publisher : Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/jtospolban.v5i4.164

Abstract

Pangandaran Beach, designated as a Regional Tourism Strategic Area under the Pangandaran Regency Tourism Master Plan 2018–2025, encompasses several key zones, including West and East Beaches, the Nature Reserve Tourism Park, Pananjung Seafood Tourism Centre, and Pananjung Tourist Village. This study investigates the resilience level of the tourism industry within the Pangandaran Beach area by applying a framework of seven tourism resilience elements: 1) Risk Understanding, 2) Business Operations, 3) Disaster Preparedness, 4) Mitigation Planning, 5) Response and Recovery, 6) Infrastructure and Environment, and 7) Governance and Institutions. Seventy tourism industry stakeholders were surveyed using stratified random sampling with a 90% confidence level and a 10% margin of error. The analysis employed descriptive quantitative methods and Importance-Performance Analysis (IPA). Findings reveal that three key resilience attributes fall into the low-performance quadrant: Disaster Mitigation (DM1), Evacuation Planning (DM2), and Building Structure (E1). Despite efforts by the local government and the Regional Disaster Management Agency (BPBD) to promote disaster risk reduction, DM1 and DM2 remain under-implemented due to industry concerns about potentially deterring tourists. Furthermore, E1 remains underdeveloped due to high renovation costs. Although the overall resilience level is moderate, enhancing stakeholder awareness and investment in disaster preparedness is crucial to strengthening the region's capacity to withstand tsunami-related risks.
Co-Authors Arno Adi Kuntoro, Arno Adi Kesuma, Tri Nugraha Adi Marpaung, Grace Mohammad Farid Muhammad Syahril Badri Kusuma, Muhammad Syahril Badri