The Impact of Built-Up Land Increase on Green Open Space in Kawasan Bandung Utara

Muhammad Saiful Ruuhulhaq, Hilal Syahbana Syahbana, Rafi'i Diva Sephana

Abstract


Based on Peraturan Daerah (Perda) Provinsi Jawa Barat No. 2 Tahun 2016 tentang Pedoman Pengendalian Kawasan Bandung Utara sebagai Kawasan Strategis Provinsi, KBU serves critical functions in water and soil conservation, necessitating environmentally sustainable management. However, rapid urbanization and increased built-up land have threatened its ecological functions. The expansion of built-up land in KBU has significantly contributed to reducing green open space (GOS). This study analyzes the impact of built-up land expansion on changes in GOS area in KBU from 1990 to 2024. The methodology includes multi-temporal satellite imagery analysis and Geographic Information Systems (GIS) to map built-up land expansion and identify its effects on GOS. The data were analyzed using simple linear regression to examine the relationship between built-up land area and GOS reduction, supported by field accuracy tests. The results show that built-up land area increased more than fivefold over 33 years, from 2,555.55 hectares in 1990 to 13,063.56 hectares in 2023. Conversely, GOS declined from 35,607.97 hectares to 25,099.96 hectares, with the highest reduction occurring between 2010 and 2015. Regression analysis confirms the significant impact of built-up land expansion on GOS reduction. Sustainable spatial planning and enforcement of development control policies are crucial to protecting KBU's ecosystems. Collaboration among government, academia, and the community is essential to ensure the sustainability of KBU as an environmental buffer for surrounding urban areas.


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References


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