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Novianti, Tika Christy
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IDENTIFICATION OF GREEN OPEN SPACES USING THE NDVI AND SAVI METHODS IN THE CITY OF METRO Amri, Resica Permata; Zakaria, Ahmad; Novianti, Tika Christy; Armijon, Armijon
Elipsoida : Jurnal Geodesi dan Geomatika Vol 8, No 2 (2025): Volume 08 Issue 02 Year 2025
Publisher : Department of Geodesy Engineering, Faculty of Engineering, Diponegoro University,Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/elipsoida.2025.26893

Abstract

The presence of green spaces in urban areas is a critical issue for Indonesian local authorities, prompting various initiatives aimed at achieving effective and high-quality urban growth. As stipulated by Spatial Planning Regulation No. 26 from 2007, it is mandated that each city must allocate 30% of its total area for green open spaces to foster a productive, secure, pleasant, and sustainable urban setting, with a minimum standard consisting of 20% public green areas and 10% private green areas. This research employs two methods for assessing vegetation density, specifically NDVI and SAVI. These two indices play significant roles in vegetation examination, thus employing both indices is intended to address each method’s limitations, with the expectation that they will yield precise vegetation mapping based on comparative findings. The ultimate area identified for green open spaces is 77.97 hectares, while the green space map for Metro City, derived from the Metro Regional Planning Agency, indicates a total of 110.82 hectares. This produces a percentage discrepancy of 0.70, or 70%. The two maps reveal a disparity between the Research RTH and Bappeda RTH results. The data indicates that the Green Open Space in Metro City spans an area of 110.82 hectares. The NDVI method categorizes Green Open Space with a minimum value range of -0.16 to 0.25. Meanwhile, the SAVI method classifies Green Open Space within a minimal value range of 0.36 to 0.52. Nevertheless, this situation has not been fully optimized due to the presence of rice fields and remained vegetative land cover being recorded. Following the overlay analysis of the Vegetation Density Map, Land Cover, and Rice Fields, rice paddies and urban areas are no longer recognized as Green Open Spaces. Therefore, the Green Open Space in Metro City for the year 2022 is finalized at 77.97 hectares.
Co-Authors Ahmad Zakaria Amri, Resica Permata Anggun Tridawati Armijon Armijon . Atika Sari Eko Rahmadi Fajriyanto Fajriyanto Fajriyanto Harahap, Anis Saniyah Ida Susanti Laksmana, M. Bima Mayasari, Rizka Murdapa, Fauzan Samri, Ahmad Sofyan Sari, Okta Mulya Sumanjaya, Erlan - Suyadi Tarifa, Ayesha Raqia Tridawati, Anggun Zantomi, Micco