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Remote Sensing Image-Based Analysis of the Urban Heat Island Effect in Bragança, Portugal

Almeida, Cátia Rodrigues de ; Furst, Leonardo ; Gonçalves, Artur ; Teodoro, Ana Cláudia

Environments (Basel, Switzerland), 2022-08, Vol.9 (8), p.98 [Periódico revisado por pares]

Basel: MDPI AG

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Título:
Remote Sensing Image-Based Analysis of the Urban Heat Island Effect in Bragança, Portugal
Autor: Almeida, Cátia Rodrigues de ; Furst, Leonardo ; Gonçalves, Artur ; Teodoro, Ana Cláudia
Assuntos: Air temperature ; Climate change ; Complementation ; correlation ; Energy ; Environmental aspects ; google earth engine ; Image processing ; Influence ; Land surface temperature ; Landsat ; Landsat satellites ; Methods ; Precipitation ; Qualitative analysis ; Radiation ; Radiative forcing ; regression ; Remote sensing ; Rural areas ; Satellite imagery ; Satellites ; Sensors ; Temperature ; Temperature effects ; Temperature requirements ; Urban heat islands ; Urban populations ; Urbanization ; Vegetation
É parte de: Environments (Basel, Switzerland), 2022-08, Vol.9 (8), p.98
Descrição: Urban Heat Islands increase surface temperatures which impact the health and well-being of urban populations. Radiative forcing is impacted by changes to the land surface associated with urbanization that are particularly significant immediately after sunset. This paper aimed to analyze the behavior of UHI in different Local Climate Zones (LCZ) in Bragança city (Portugal), using Air Temperature (Ta), satellite images (Landsat 8), and on-site data. The methodology included a seasonal approach, integrating data with different scales (spatial, radiometric, and spectral) and qualitative and quantitative analyses. Google Earth Engine (GEE) optimized the processing time and computation requirement to generate the Land Surface Temperature (LST) maps. The integration of data with different scales corroborated the complementation of information/analysis and detected the correlation between the Ta and LST. However, the identification of the UHI was compromised due to the time of the passage of Landsat 8, and it was identified as the Urban Cool Island (UCI), a complementary effect of UHI, supporting the results of previous studies and for the use of Remote Sensing (RS) for thermal effects analysis.
Editor: Basel: MDPI AG
Idioma: Inglês

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Remote Sensing Image-Based Analysis of the Urban Heat Island Effect in Bragança, Portugal

Almeida, Cátia Rodrigues de ; Furst, Leonardo ; Gonçalves, Artur ; Teodoro, Ana Cláudia

Basel: MDPI AG

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