Análise da distribuição de injeção de plumas de queimadas na atmosfera na América do Sul
DOI:
https://doi.org/10.35699/2237-549X.2018.19218Keywords:
Atmosphere, MODIS, Burning SmokeAbstract
Burning releases trace gases and aerosols into the atmosphere, factors that modify biogeochemical cycles, as well as their energy balance, leading to local and regional climate changes, resulting, for
example, from deforestation of natural vegetation for the opening of areas intended for livestock and agriculture. Based on this fact, to determine the
injection heights of these biomass burning plumes over South America for 2016 and to evaluate the impacts on long range transport of these pollutants,
the images of the Multiangle Imaging Spectro Radiometer (MISR) sensor were analyzed. aboard the TERRA Satellite, with a resolution of 275 m at nine angles, ranging from 0° nadir to 70° outside nadir.
With the MISR INteractive eXplorer (MINX) software, the plumes heights were processed, allowing the creation of multitemporal files. Subsequently, from
a program originated in IDL/ENVI, the data of interest was obtained, such as the location, the fire radiative power and the injection height of each plume. After the initial processing, was performed
the data conversion and insertion into Geographic Information Systems (GIS). In this context, it was found that in the South American region the major source of pollutant emissions is the seasonal
burning in the Amazon region. Thus, this ability to investigate feather geometry and dynamics is becoming increasingly important for climate and air quality studies, where they require greater knowledge of aerosol injections and their location within the atmosphere
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