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All Journal Jurnal Pembangunan Wilayah dan Kota Smart City CSID Journal of Infrastructure Development
Simarmata, Hendricus Andy
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Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Engineering Social Sciences

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Konektivitas Jaringan Jalan Antar Pusat Kegiatan di Kabupaten Bogor Sampetoding, Mira Marindaa Tarra'; Dewi, Ova Candra; Simarmata, Hendricus Andy; Putri, Farrah Eriska; Sari, Mustika
Jurnal Pembangunan Wilayah dan Kota Vol 21, No 1 (2025): JPWK Volume 21 No. 1 March 2025
Publisher : Universitas Diponegoro Publishing Group, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/pwk.v21i1.63390

Abstract

Jaringan infrastruktur transportasi di Kabupaten Bogor menjadi tulang punggung mobilitas yang terjadi antar Pusat Kegiatan Lokal (PKL). Tingkat konektivitas yang rendah antar PKL dan kapasitas jalan yang tidak memadai mengakibatkan kemacetan lalu lintas di Kabupaten Bogor karena jumlah kendaraan terus meningkat dari 719.720 unit pada tahun 2013 menjadi 1.666.860 unit pada tahun 2022. Kondisi ini memicu kemacetan lalu lintas yang menghambat mobilitas penduduk dan efisiensi distribusi barang serta jasa.  Penelitian ini bertujuan untuk menganalisis konektivitas jaringan jalan struktur ruang di Kabupaten Bogor untuk meningkatkan konektivitas. Terdapat beberapa pendekatan yang digunakan sebagai metode pada penelitian ini, yang pertama gravity model untuk mengetahui kekuatan interaksi antar dua wilayah berdasarkan jarak dan jumlah penduduk, dengan parameter ( ). Metode kedua analisis kerapatan jalan untuk mengevaluasi kualitas jalan. Metode yang terakhir dengan indeks konektivitas untuk menentukan kekuatan interaksi antar wilayah berdasarkan struktur jaringan jalan sebagai sarana transportasi, dengan parameter . Hasil yang diperoleh dari penelitian ini yaitu, wilayah yang memiliki interaksi terkuat adalah Jonggol – Cileungsi dan Cibinong – Bojonggede, wilayah yang memiliki kerapatan jalan yang tinggi adalah Ciawi dan kerapatan jalan yang rendah Megamendung. Ciawi dan Megamendung memiliki nilai indeks konektivitas > 1. Hasil dari penelitian diharapkan dapat memberikan rekomendasi kepada pemerintah untuk meningkatkan konektivitas dalam rangka mengoptimalkan keterhubungan antar wilayah.
Planning for the Preservation of Biodiversity and Environmental Assets in Support of Sustainable Planning in Urban Areas, Case Study: Batu Licin City, Tanah Bumbu Regency, South Kalimantan Kalsuma, Dharma; Simarmata, Hendricus Andy
Smart City Vol. 2, No. 2
Publisher : UI Scholars Hub

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Abstract

Planning for preserving biodiversity and environmental assets in urban areas is crucial in supporting sustainable planning. This study aims to design a strategy for preserving biodiversity and environmental assets in Batu Licin, Tanah Bumbu Regency, South Kalimantan, to support sustainable urban planning. The method used is field observation and literature study. The results showed that the Batu Licin area has a relatively high potential for biodiversity and environmental assets. However, along with the growth of the Batu Licin urban area in the future, it will undoubtedly be a source of pressure on biodiversity. Several strategies can be implemented to overcome this, including mainstreaming biodiversity in sectoral planning, strengthening the knowledge base on conservation, management, and use of biodiversity assets, increasing awareness and appreciation for environmental services and biodiversity, implementing area protection and restoration policies for high- value ecosystems and biodiversity assets, and mainstreaming climate change adaptation and mitigation. This strategy can become a reference for policymakers in planning sustainable development in the urban area of Batu Licin and other regions in Indonesia.
Green Connectivity In Metropolitan Jabodetabek: Climate Change and The Challenge of Urban Forest Putri, Safira Maharani; Simarmata, Hendricus Andy
CSID Journal of Infrastructure Development Vol. 8, No. 2
Publisher : UI Scholars Hub

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Abstract

Urban areas in Indonesia, particularly the Greater Jakarta metropolitan region (Jabodetabek), are increasingly experiencing the adverse effects of climate change, such as the Urban Heat Island (UHI) phenomenon. Rapid urbanization has contributed significantly to rising greenhouse gas emissions and deteriorating environmental quality. Urban forests are one of the key solutions to mitigate these impacts; however, their spatial distribution in Jabodetabek remains suboptimal and poorly connected. This study uses NDVI as a proxy for urban forest density, where “urban forest” refers to vegetated areas within cities as defined by Presidential Regulation No. 60/2020. The research addresses the following question: How has urban forest connectivity across Jabodetabek changed over a 30-year period? Using multi-temporal Landsat satellite imagery, the Normalized Difference Vegetation Index (NDVI) was employed to identify vegetation cover and assess temporal changes in urban forest density. NDVI values were processed using ArcPy in ArcMap, followed by spatial reclassification to identify areas of degradation or regeneration. The analysis reveals fragmented and disconnected urban forests across Jabodetabek, with some areas experiencing vegetation loss of up to 40.3%, while others show a gradual recovery of up to 33.9%. The dynamics along the Bekasi River indicate that upstream and downstream areas remain connected, but are disrupted in the peri-urban–to–suburban transition zone, creating ecological gaps that interrupt continuity. This challenge is further compounded in urban areas, particularly Jakarta, where urban forests are not yet ecologically or administratively connected. These findings emphasize the urgency of strengthening urban forest connectivity to enhance ecological resilience and climate adaptation in Jabodetabek.
Co-Authors Dewi, Ova Candra Kalsuma, Dharma Mustika Sari, Mustika Putri, Farrah Eriska Putri, Safira Maharani Sampetoding, Mira Marindaa Tarra'