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Boletim de Ciências Geodésicas
Article . 2015 . Peer-reviewed
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Boletim de Ciências Geodésicas
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https://dx.doi.org/10.60692/7s...
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Other literature type . 2015
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RELAÇÃO ENTRE O ÂNGULO DE VISADA E A ESTIMATIVA DA POTÊNCIA RADIATIVA DO FOGO

العلاقة بين زاوية البصر وتقدير القوة الإشعاعية للنار
Authors: Guilherme Augusto Verola Mataveli; Gabriel Pereira; Elisabete Caria Moraes; Bruno Silva de Oliveira; Francielle da Silva Cardozo;

RELAÇÃO ENTRE O ÂNGULO DE VISADA E A ESTIMATIVA DA POTÊNCIA RADIATIVA DO FOGO

Abstract

As queimadas atingem grandes áreas, constituindo-se como um agente modelador dos ecossistemas e contribuem para o acúmulo de gases e aerossóis na atmosfera. Atualmente, o sensoriamento remoto é a principal fonte de dados para estudar as queimadas devido à aquisição de dados globais com uma periodicidade constante. No entanto, são necessárias mais informações sobre as queimadas além da sua localização espacial, dentre elas a biomassa queimada. O método mais utilizado para isso atualmente é derivado da Potência Radiativa do Fogo (FRP), já que a energia emitida como radiação eletromagnética durante a combustão pode ser diretamente relacionada com a biomassa queimada. Contudo, alguns fatores introduzem erros nas estimativas de FRP, como o ângulo de visada. Assim, para avaliar a influência dessa variável na FRP foi realizado um experimento de combustão em pequena escala utilizando como biomassa a palha da cana-de-açúcar. Ainda, foi determinado o coeficiente de biomassa queimada para a cana-de-açúcar. As estimativas obtidas permitiram concluir que a FRP diminui com o aumento do ângulo de visada, e, sendo assim, o ângulo de visada foi considerado no coeficiente de biomassa queimada. Pretende-se futuramente empregar os resultados encontrados para estimar a biomassa queimada e suas emissões provenientes da queimada pré-colheita da cana-de-açúcar.

Keywords

Biomass (ecology), Queimadas, Ângulo de Visada, Biomedical Engineering, FOS: Medical engineering, Environmental science, G, Engineering, Biomass Burning, Geography. Anthropology. Recreation, Biomass, Fire Radiative Power, Biology, Geography (General), QB275-343, Ecology, Physics, Biomass Pyrolysis and Conversion Technologies, Viewing Angle, Experimento de Combustão em Pequena Escala., Potência Radiativa do Fogo, FOS: Biological sciences, Physical Sciences, G1-922, Small-scale Combustion Experiment., Geodesy

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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