ANALYZING URBAN GREEN SPACE IN SOUTHERN CITIES OF BINH DUONG PROVINCE, VIETNAM USING REMOTE SENSING AND GIS TECHNIQUES

Abstract

This study evaluated the spatial and temporal change in urban green space (UGS) in the southern cities of Binh Duong province. Landsat multi-temporal images from 2001 to 2020 were analyzed. The random forest algorithm was used to generate land cover maps, which were then reclassified to UGS maps. The results showed that UGS continuously decreased in the period 2001 – 2020 in the study area. About 67.3% of UGS in the entire study area have been lost during this time. As of 2020, the remaining UGS of the study area was 6,707 hectares, corresponding to an average coverage rate of 25.6% and a ratio of 46.1 m² UGS per capita. Although the overall UGS was still guaranteed to be above the minimum of 9 m² per capita, only 79.2% of the urban area was within a distance of 300 m from UGS of at least 0.5 ha. This can reduce the ability of urban residents in this area to benefit from green spaces.