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Diurnal analysis of surface Urban Heat Island using spatially enhanced satellite derived LST data

机译：利用空间增强卫星衍生的LST数据对城市热岛表面进行昼夜分析

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The importance of studying the Urban Heat Island (UHI) phenomenon has increased over the years due to the processes of urbanization and industrialization. Thermal remote sensing imagery has been extensively utilized for surface UHI (SUHI) studies. However, the low image acquisition frequency of most sensors limits its use. The Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing, of the National Observatory of Athens (NOA/IAASASRS) has developed a system that produces land surface temperature (LST) time series by downscaling data retrieved from MSGSEVIRI (Meteosat Second Generation - Spinning Enhanced Visible and Infrared Imager) geostationary satellite. The system has been designed specifically to facilitate urban climate studies, by producing LST datasets that combine high spatial and temporal resolution. Moreover, the large number of LST image data produced, enables their utilization to a number of different applications. In this work, LST data from the NOA/IAASARS system have been employed for the study of the diurnal evolution of the SUHI phenomenon for Athens (GR), Istanbul (TR) and Rome (IT). The results obtained refer to the summer of 2014 and highlight the intensity and temporal variation of this phenomenon for each city employed in this study.
机译：由于城市化和工业化的过程，研究城市热岛（UHI）现象的重要性增加。热遥感图像已被广泛用于表面uHI（苏海）研究。然而，大多数传感器的低图像采集频率限制了其使用。雅典国家天文台（NOA / IAASASRS）的天文学研究所（NOA / IAASASRS）开发了一种通过从Msgseviri检索的镇压数据产生陆地温度（LST）时间序列的系统（Meteosat第二代 - 纺纱增强的可见和红外成像仪）地静止卫星。该系统专门设计用于促进城市气候研究，通过生产高空间和时间分辨率的LST数据集。此外，产生的大量LST图像数据能够利用它们对许多不同的应用。在这项工作中，来自NOA / IAASARS系统的LST数据已被用于研究雅典（GR），伊斯坦布尔（TR）和罗马（IT）的苏海现象的昼夜演变。获得的结果是指2014年夏天，并突出了本研究中每个城市这种现象的强度和时间变化。

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