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Journal of Regional and City Planning
Published by Institut Teknologi Bandung
ISSN : 25026429     EISSN : 25026429     DOI : https://doi.org/10.5614/jpwk
Core Subject : Humanities, Social, Engineering,
Humanities Civil Engineering, Building, Construction & Architecture Environmental Science Social Sciences Transportation
Journal of Regional and City Planning or JRCP is an open access journal mainly focusing on urban and regional studies and planning in transitional, developing and emerging economies. JRCP covers topics related to the analysis, sciences, development, intervention, and design of communities, cities, and regions including their physical, spatial, technological, economic, social and political environments. The journal is committed to create a multidisciplinary forum in the field by seeking original paper submissions from planners, architects, geographers, economists, sociologists, humanists, political scientists, environmentalists, engineers and other who are interested in the history, transformation and future of cities and regions in transitional, developing and emerging economies.
Arjuna Subject : Ilmu Sosial - Geografi, Perencanaan dan Pengembangan
Articles 5 Documents
 1 
Search results for , issue "vol. 37 no. 1 (2026)" : 5 Documents clear
Implementing Underground Water Storage Tank to Stabilize Intermittent Water Supply in Jakarta, Indonesia Nicco Plamonia; Rizky Pratama Adhi; Merri Jayanti; Muhammad Komarudin; Budi Kurniawan; Syaefudin Syaefudin; Ahmad Pratama Putra; Luky Pradita; Raden Arif Suryanegara; Haerul Hidayaturrahman; Ikhsan Budi Wahyono; Shafira Rahmadilla Hape
Journal of Regional and City Planning Vol. 37 No. 1 (2026)
Publisher : The Directorate for Research and Innovation, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jpwk.2026.37.1.1

Abstract

This study addresses the issue of intermittent water supply in Jakarta, focusing on the use of underground water storage tanks (UWSTs) to stabilize water availability in three commercial buildings. Surveys showed that the average pressure from drinking water utilities over five consecutive days was only 4 m head—considered critically low. The research proposes installing UWSTs to store water during off-peak hours for redistribution during peak demand or supply outages. The study also analyzed the influence of commuter and resident water-use patterns, with an estimated tank capacity of 25.69 m³ per site to accommodate varying demand. Field data processing and simulations demonstrated that UWSTs can markedly improve supply consistency, particularly during peak hours. Optimizing the tank design within the space constraints in the buildings proved effective in balancing storage capacity and structural integrity. The integration of UWSTs with pressure-management strategies offers a practical and resilience-based approach to Jakarta’s urban water-supply challenges. Residential and office-sector consumption data were specifically integrated into a composite daily pattern to characterize urban peak-demand behavior in Jakarta. The solution proposed in this study is considered sustainable because it utilizes the existing water supply without increasing extraction, while improving temporal distribution efficiency during low-pressure periods.
Beyond Static Boundaries: An Integrated Framework of Space Syntax, Fractals, and Spatial Clustering for Urban Agglomeration Dynamics Firman Afrianto; Muhammad Sani Roychansyah; Yori Herwangi
Journal of Regional and City Planning Vol. 37 No. 1 (2026)
Publisher : The Directorate for Research and Innovation, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jpwk.2026.37.1.2

Abstract

Defining urban agglomeration boundaries using conventional administrative approaches often creates a ‘statistical illusion’ that distorts the functional spatial reality, while alternative dynamic models (such as cellular automata and agent-based models) are hindered by an absolute dependency on the availability of historical spatio-temporal data. Addressing this epistemological deadlock, this article proposes a new methodological framework that deconstructs the dynamics of metropolitan agglomeration evolution through the integration of space syntax, fractal dimension, and spatial clustering (DBSCAN) methods, purely by extracting the topological network of existing road intersections. This triadic framework addresses three fundamental analytical dimensions: space syntax diagnoses the ‘seeds’ of historical initiation (time-frame) through centrality metrics; fractal analysis quantifies the level of complexity and objectively establishes the threshold of evolutionary scale (scale-frame); and the DBSCAN algorithm visualizes the transition of agglomeration as an emergent spatial structure (visual-frame). The empirical implementation of the proof of concept was applied to the hierarchy of functional urban areas (FUA) in Indonesia, represented by the megalopolis of Jakarta and the metropolitan areas of Bandung and Yogyakarta. The precise calibration results successfully unveiled the ontological cycle of the city: from the discovery of micro-cluster embryos (postdiction) and mapping the explosion of fragmentation in the present (status quo) to determining the boundaries of macro fusion of urban areas in their entirety (prediction). In conclusion, this integrated framework shifts the paradigm from static delineation to process-oriented agglomeration analysis, offering an analytical instrument with extraordinary data efficiency that liberates spatial planning from the bias of arbitrary administrative jurisdictions.
Exploring Ride-Sourcing Usage Among Older Adults: A Case Study of DKI Jakarta Raditya Praja Pamungkas; I Gusti Ayu Andani
Journal of Regional and City Planning Vol. 37 No. 1 (2026)
Publisher : The Directorate for Research and Innovation, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jpwk.2026.37.3.4

Abstract

Mobility is a critical determinant of the quality of life for older adults, particularly in urban areas where limited physical capacity and economic constraints reduce their accessibility to transportation. Ride-sourcing services offer more flexible and independent mobility options; however, their adoption among older adults remains limited due to technological barriers and concerns regarding safety and security aspects. This study explored ride-sourcing usage among older adults in DKI Jakarta and identified the factors influencing their adoption. A quantitative approach was employed using revealed preference survey data collected from 408 older adult respondents. The dataset covered socioeconomic characteristics, health condition, technology response, safety and security perceptions. Descriptive statistics, factor analysis (principal component analysis), and discrete choice modeling (multinomial logit and nested logit) were conducted to analyze user preferences and identify significant factors. The findings indicate that while most older adults have positive perceptions on smartphones, many still require assistance in booking ride-sourcing services, and the majority are classified as inactive users. The nested logit model reveals a potential behavioral transition from assisted booking to independent usage. PCA reduced 28 perception indicators into six factors: driver safety and behavior, trip support, driver characteristics, technological barriers, travel risk, and personal security risk. Discrete choice models identified age, gender, employment status, vehicle ownership, presence of young dependents, physical condition, and user perceptions as significant predictors of ride-sourcing usage.
Padaleman Karuhun and Songko as Indigenous Spatial Planning Logic: A Phenomenological Study Imam Indratno; Ina Helena Agustina; Sugih Dinul Yakin; M. Ari Fandi; Deshinta Arova Dewi
Journal of Regional and City Planning Vol. 37 No. 1 (2026)
Publisher : The Directorate for Research and Innovation, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jpwk.2026.37.1.5

Abstract

Across Southeast Asia, indigenous settlements are not merely places of habitation but living spatial systems in which moral order, ecological ethics, customary authority, and intergenerational knowledge are embedded in everyday practices. Yet these systems remain insufficiently recognized in contemporary settlement planning, heritage conservation, and customary land governance, where interventions frequently privilege technocratic approaches over locally embedded spatial knowledge. This study examines Kampung Adat Kuta (West Java) and Nagari Panti Selatan (West Sumatra): the former a vertically organized sacred-ecological system rooted in Sundanese cosmology, the latter a horizontally structured socio-institutional system grounded in Minangkabau matrilineal tradition. Using a comparative qualitative approach grounded in Alfred Schutz’s phenomenology, the research integrates in-depth interviews, participant observation, ritual documentation, and cultural mapping to examine how indigenous spatial meanings are produced, institutionalized, and transmitted across generations. The analysis shows that Inget Karuhun, Padaleman Karuhun, and Songko function not merely as cultural symbols but as indigenous spatial planning logics: Padaleman Karuhun organizes a settlement through a vertically integrated sacred-ecological hierarchy governed by ritual obligation and ancestral norms, while Songko structures a settlement through a horizontally integrated socio-spatial system based on matrilineal governance, communal institutions, and symbolic authority. These findings extend planning scholarship by showing that indigenous settlements embody coherent systems relevant to settlement planning, heritage conservation, and customary land governance, and propose indigenous spatial planning logic as an ontological planning perspective that recognizes indigenous settlements as living planning systems rather than cultural landscapes or heritage objects.
Regional Food Supply System Planning: A System Dynamics Analysis of Broiler Chicken Supply and Price Stabilization Policies in Indonesia Avif Haryana; Suprayogi Suprayogi; Rachmawati Wangsaputra; Rajesri Govindaraju
Journal of Regional and City Planning Vol. 37 No. 1 (2026)
Publisher : The Directorate for Research and Innovation, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jpwk.2026.37.1.3

Abstract

Price instability in Indonesia’s broiler sector is not only an industry-level supply chain problem but also a food supply planning issue with regional relevance, as broiler meat is an important source of affordable animal protein. Despite repeated government interventions, including reference prices, final stock day-old chicks (FS DOC) supply regulation, hatching egg culling, and early culling of breeder hens, live bird prices frequently have remained below production cost. This study developed an explanatory system dynamics model to examine how recurrent live bird price instability emerges endogenously from the structure of the broiler food supply system. The model integrates downstream broiler meat demand, slaughterhouse activity, live bird market dynamics, integrator and non-integrator grow-out production, FS DOC allocation, cold storage, the grandparent stock (GPS) and parent stock (PS) breeding subsystem, and grandparent stock day-old chicks (GPS DOC) import determination. The main novelty lies in a dual-control structure that combines long-term capacity correction through demand-driven GPS DOC import adjustment and short-term operational control through hatchery setting adjustment. Baseline simulation broadly and qualitatively reproduced the recurrent pattern of live bird price fluctuations and prolonged periods of price pressure relative to production cost. Scenario analysis indicated that hatchery setting adjustment is the strongest short-run leverage point, because it moderates excess FS DOC realization before surplus propagates downstream to live bird and broiler meat markets. Demand-driven GPS DOC import adjustment has limited short-run influence because of long biological delays but remains important for aligning long-term breeding capacity with downstream requirements. Within the modeled system, cold storage operates as a residual downstream buffer rather than the primary source of stabilization. Overall, the findings suggest that broiler price stabilization should be treated as a multi-horizon food supply planning problem that requires coordinated control of upstream breeding capacity, hatchery operations, market absorption, and downstream buffering.

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