Abstract
The phenomenon of urban heat is caused by global warming that occurred in Kupang City. This causes changes in vegetation density and microclimate especially surface temperature. The study aims to known determine the value of vegetation density and surface temperature in Kupang City in 2010, 2015, and 2021. The raster correlation method was used to study the changes in vegetation density and surface temperature in Kupang City. The research was using the data from Landsat 7 ETM+ satellite imagery in 2010, Landsat 8 OLI TIRS in 2015, and 2020. The changes in vegetation density in the Kupang City area could be seen from the results of processing the satellite image data obtained in 2010 was medium vegetation (the vegetated land cover was in the form of coconut plantation and mixed plantation), in 2015 and 2020 was dominated by low vegetation (grasses and bushes). The results of this study showed that in 2010 the dominant temperature class was 26°C - 28°C. However, the temperature class increased until 2015 and 2020 where the dominant temperature was 29°C - 31°C. The regression coefficient value is negative, the meaning is when the vegetation is denser, the surface temperature value will be lower.
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