2016
DOI: 10.1590/s1982-21702016000100002
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Separação De Temperatura E Emissividade a Partir De Imagens Do Infravermelho Termal: Análise De Suas Aplicações/Restrições

Abstract: Resumo:O infravermelho termal (TIR -ThermalInfraRed) é uma porção do espectro eletromagnético com várias aplicações no Sensoriamento Remoto, tais como: geologia, climatologia, análises de processos biológicos, análises geofísicos, avaliação de desastres e detecção de mudanças, entre outras. No TIR a emissão de radiação dos alvos é dominante, comparado com a reflexão, e esta radiação é uma função de duas variáveis, a emissividade e a temperatura do alvo. Para estudos no TIR é necessário estimar com precisão a t… Show more

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“…Information about land surface temperature (LST) acquired from remote sensing satellite observations is very important to monitor surface energy and water exchange processes at the land-atmosphere interface (Zhao et al 2019). In addition, it is a key variable to be retrieved from the Thermal Infrared (TIR) data because is widely used in many scientific fields including evapotranspiration, climate change, hydrological cycle, vegetation monitoring, urban climate and environmental studies, among others (Jiménez-Muñoz et al 2008;Cristóbal et al 2009;Li et al 2013;Grondona et al 2016;Ndossi and Avdan, 2016). LST also helps to analyze the climate change such as global warming (Chen et al 2016) and thus is selected as one of Essential Climate Variables by the World Meteorological Organization (WMO) (Kim et al 2019).…”
Section: Introductionmentioning
confidence: 99%
“…Information about land surface temperature (LST) acquired from remote sensing satellite observations is very important to monitor surface energy and water exchange processes at the land-atmosphere interface (Zhao et al 2019). In addition, it is a key variable to be retrieved from the Thermal Infrared (TIR) data because is widely used in many scientific fields including evapotranspiration, climate change, hydrological cycle, vegetation monitoring, urban climate and environmental studies, among others (Jiménez-Muñoz et al 2008;Cristóbal et al 2009;Li et al 2013;Grondona et al 2016;Ndossi and Avdan, 2016). LST also helps to analyze the climate change such as global warming (Chen et al 2016) and thus is selected as one of Essential Climate Variables by the World Meteorological Organization (WMO) (Kim et al 2019).…”
Section: Introductionmentioning
confidence: 99%