High spatial resolution thermal aerial imagery support urban forest design
DOI:
https://doi.org/10.14808/sci.plena.2015.090203Keywords:
urban climate, thermal images from overflight, surface temperatureAbstract
This paper presents the potentiality in the use of high-resolution thermal aerial images on urban surfaces as a tool to map thermal comfort zones. We used a high-resolution thermal camera FLIR SC660 model with spatial resolution of 1.5 m and spectral of 640x480 pixels, overflight in the urban area on the Piracicaba city, São Paulo state, Brazil, during the October 30th 2012, into three periods: 08:36 a.m. (morning), 02:27 p.m. (afternoon) and 07:23 p.m. (evening), local time. In Brazil, there are few studies carried out with high-resolution thermal images in aerial surveys. Through remote sensing of the images obtained, it was possible to identify the thermal field in the study area, influenced, mainly, by the asphalt class, with higher surface temperature (55.7 °C at 02:27 p.m.), and the vegetation and water bodies, which minimized the effect.
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