Study of the maximum and minimum total columns of NO2 on the northeastern region of Brazil

Authors

  • Paulo Antunes Dias Pereira Calado Universidade Federal de Alagoas. AL
  • Glauber Lopes Mariano Universidade Federal de Alagoas. AL
  • Ericka Voss Chagas Mariano Universidade Federal de Alagoas. AL

DOI:

https://doi.org/10.5902/2179460X30752

Keywords:

Atmospheric pollution, Photochemical smog, Remote sensing

Abstract

Nitrogen dioxide (NO2) is a gas emitted from anthropogenic sources directly into the atmosphere, with the most relevant being automotive vehicles. In this work were used the  softwares Erdas Imagine, GRADS and R with data obtained from the NASA Geovanni platform (available at http://giovanni.gsfc.nasa.gov/giovanni/) from the Ozone Monitoring Instrument (OMI) sensor located on the satellite AURA. In the data series, averages, minimum and maximum were used to observe and identify the areas with the highest concentration of NO2 in the Northeast region and the behavior of the pollutant on the same region. Among the maximum values identified in each of the months, nine occurred in Bahia including the maximum value of the whole series in July in the region near Roda Velha in Bahia and has a value of 4.88E+15 1/cm2, the state with the lowest occurrence of high concentration values is Rio Grande do Norte, but the lowest mean (2.06E+15 1/cm2) and the lowest value (1.75E+15 1/cm2) occur in the region near the city of São Luís (Maranhão) at 2.06E+15 1/cm2.

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Author Biographies

Paulo Antunes Dias Pereira Calado, Universidade Federal de Alagoas. AL

Instituto de Ciências Atmosféricas.

Glauber Lopes Mariano, Universidade Federal de Alagoas. AL

Glauber Lopes Mariano possui graduação em Meteorologia pela Universidade Federal de Alagoas(UFAL) e graduação em Sistemas de Informação pelo Centro Federal de Ensino Tecnológico do estado de Alagoas(CEFET/AL). Mestrado em Meteorologia (UFAL) e doutorado em Meteorologia pelo Instituto Nacional de Pesquisas Espaciais (INPE). Professor efetivo entre 2011 e 2015 da Faculdade de Meteorologia (FMET) da Universidade Federal de Pelotas (UFPEL). Atua na área de geociências, com ênfase em poluição da atmosfera e sensoriamento remoto da atmosfera. Atualmente Professor Adjunto do Instituto de Ciências Atmosféricas (ICAT) da Universidade Federal de Alagoas - UFAL). 

Ericka Voss Chagas Mariano, Universidade Federal de Alagoas. AL

Ericka Voss Chagas Mariano concluiu a graduação em Meteorologia pela Universidade Federal de Alagoas em 2002, onde também concluiu o mestrado em meteorologia no ano de 2007. É doutora em Geofísica Espacial, com ênfase em Ciências Atmosféricas, pelo Instituto Nacional de Pesquisas Espaciais, onde estudou o comportamento do dióxido de enxofre (SO2) atmosférico com base nos dados do espectrofotômetro Brewer na América do Sul sob orientação da Dra. Neusa Maria Paes Leme e co-orientação do Dr. Plínio Carlos Alvalá. Atualmente atua como professora adjunta do Instituto de Ciências Atmosféricas da Universidade Federal de Alagoas.

 

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Published

2018-03-22

How to Cite

Calado, P. A. D. P., Mariano, G. L., & Mariano, E. V. C. (2018). Study of the maximum and minimum total columns of NO2 on the northeastern region of Brazil. Ciência E Natura, 40, 174–180. https://doi.org/10.5902/2179460X30752

Issue

CIÊNCIA E NATURA, V. 40, 2018, SPECIAL EDITION: X WORKSHOP BRASILEIRO DE MICROMETEOROLOGIA – UFSM

Section

Special Edition

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