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Examining the temporal and spatial distribution of potential urban heat island formations
Environmental Science and Pollution Research Pub Date : 2021-09-18 , DOI: 10.1007/s11356-021-16422-9
Ahmet Koç 1 , Ahmet Caf 2 , Canan Koç 3 , Devrim Türkan Kejanli 3
Affiliation  

Due to urbanization worldwide, gradual increase in construction and use of irregular urban topography affect urban climate negatively, triggering urban heat island (UHI) formations in cities and thereby causing them to become uninhabitable places for human comfort. This study, which covers the province of Diyarbakır in Turkey, aims to determine the spatial and temporal distribution of areas with potential urban heat island (UHI) by using remote sensing methods and satellite/terrain data available between 2001 and 2019. According to the Landsat 7 satellite, an area with a potential of 27.4 km2 in 2001, 20.8 km2 in 2006, 27.4 km2 in 2008, 16.7 km2 in 2010, and 12.2 km2 in 2012 was determined. According to the Landsat 8 satellite, it was measured as 14.49 km2 in 2017 and 15.67 km2 in 2018. According to Landsat 8 satellite data, areas with UHI potential increased by 14.6% over a 3-year period. According to Landsat 7 data, there has been a continuous fluctuation over the years. One of the important results of this study is that between 2001 and 2019, the higher the rate of change according to the surface temperature, the larger the area with the potential of the heat island. At the same time, it has been determined that spatially potential UHIs have a great potential not in the city center, but in the surrounding areas close to the center and in the topographically hollow areas.



中文翻译:

检查潜在城市热岛形成的时间和空间分布

由于世界范围内的城市化,不规则城市地形的建设和使用逐渐增加,对城市气候产生负面影响,引发城市热岛 (UHI) 形成,从而使城市成为人类舒适的不适宜居住的地方。这项研究涵盖土耳其迪亚巴克尔省,旨在通过使用遥感方法和 2001 年至 2019 年可用的卫星/地形数据来确定具有潜在城市热岛 (UHI) 区域的空间和时间分布。根据 Landsat 7颗卫星,2001年27.4平方公里,2006年20.8平方公里 2008年27.4平方公里2010年16.7平方公里 2010年12.2平方公里2012年确定。根据 Landsat 8 卫星,2017 年测量为 14.49 km 2,2018 年为 15.67 km 2。根据 Landsat 8 卫星数据,UHI 潜力区域在 3 年期间增加了 14.6% 根据 Landsat 7 数据,这些年来一直在持续波动。这项研究的重要结果之一是,在 2001 年至 2019 年期间,地表温度的变化率越高,热岛潜力的面积越大。同时,确定了具有空间潜力的UHI并非在城市中心,而是在靠近中心的周边地区和地形凹陷区域具有巨大潜力。

更新日期:2021-09-19
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