First Lidar Campaign in the Industrial Sites of Volta Redonda-RJ and Lorena-SP, Brazil
2022
Fábio Juliano da Silva Lopes | Silvânia A. Carvalho | Fernando Catalani | Jonatan João da Silva | Rogério M. de Almeida | Fábio de Jesus Ribeiro | Carlos Eduardo Fellows | Eduardo Landulfo | Carlos Renato Menegatti | Carlos José Todero Peixoto
We report on the first aerosol profiling campaign in the Paraí:ba valley, a hub connecting the region between the two largest Brazilian metropolitan areas, Sã:o Paulo and Rio de Janeiro. Sã:o Paulo Sanitation Technology Company (CETESB) air quality and Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) data show homogeneous behavior of the atmosphere throughout the region. A more detailed description of the particulate material in the local atmosphere, including its temporal dependence, can be obtained by using ground-based lidars. Measurements were carried out with a backscatter lidar system in two industrial cities, Volta Redonda and Lorena. The aerosol backscatter profiles present several peaks at different altitudes, indicating the presence of aerosol in several atmospheric layers. In addition, The Hybrid Single Particle Lagrangian Integrated Trajectory (HYSPLIT) air-mass back-trajectories indicate a possible detection of long-range aerosol transported from biomass burning areas of South America. The present study emphasizes the importance of investigating and monitoring the emission of particulate matter at this important hub connection between two dense populated regions of Brazil.
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