Air Pollution Assessment by Aerosol Optical Depth Mapping (AOD) in the Macro-Metropolitan Region of São Paulo, Brazil
DOI:
https://doi.org/10.26848/rbgf.v19.02.p814-830Palavras-chave:
air pollution, atmospheric aerosols, Remote Sensing, metropolitan region of são pauloResumo
The accelerated process of industrialization and urbanization of the Metropolitan Region of São Paulo (MRSP) and Baixada Santista (MRBS), associated with the pattern of exploitation of natural resources and territorial occupation, resulted in the degradation of the quality of life of the population, such as urban air pollution. The objective of this study was to present an observational analysis of the temporal variability of the aerosol optical depth, based on remote sensing products, for two specific dates. For this, aerosol optical depth (AOD) data from the Landsat 8 satellite was used, in order to produce maps of particulate matter concentration in the MRSP and Baixada Santista and combine them with monitoring data from the Environmental Company of the State of São Paulo (CETESB). The hypothesis explored was that there is a relationship between the concentration of particulate matter and its emission sources. Among the results, it is worth highlighting that the AOD data based on Landsat are useful for assessing urban atmospheric aerosols at ground level and mapping areas influenced by aerosol pollution. Furthermore, it is advisable to combine these data with continuous monitoring of air pollution in the MRSP and Baixada Santista.
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