alexa Radiative Effects of Carbon Oxides (Cox) and Nitrogen Oxides (Nox) on Radiative Transfer in the Lower Atmosphere of Dakar In 2013 | OMICS International| Abstract

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  • Research Article   
  • J Pollut 2018, Vol 1(2): 111

Radiative Effects of Carbon Oxides (Cox) and Nitrogen Oxides (Nox) on Radiative Transfer in the Lower Atmosphere of Dakar In 2013

Djiby Sarr, Bouya Diop*, Abdou Karim Farota, Malick Wade, Abdoulaye Sy, Abdoulaye Bouya Diop and Aïchetou Dia Diop
Laboratory of Atmospheric and Oceanic Sciences, Gaston Berger University, Saint Louis, Senegal
*Corresponding Author : Bouya Diop, Laboratory of Atmospheric and Oceans Sciences, Gaston Berger University, Saint Louis, Senegal, Tel: +221777946213, Email: [email protected]

Received Date: Sep 24, 2018 / Accepted Date: Oct 16, 2018 / Published Date: Oct 24, 2018

Abstract

Dakar, like most African capitals, is characterized by a high human density, a dense transport network where motor vehicles are old and a high concentration of industries. Significant quantities of hydrocarbons are consumed daily to meet the energy needs of the economy; the combustion of hydrocarbons in engines and boilers in the presence of oxygen in the air produces various pollutants including carbon oxides (COx) and nitrogen oxides (Nox) found in the lower atmosphere. This work investigates the radiative forcing by Modtran6 following the concentrations of these two types of pollutants measured in the city of Dakar. Thus, this study has shown slight changes in the total radiance and a no less negligible place of ozone (especially in the dry season) whose peak absorption is 1040 cm-1 in the infrared. Atmospheric transmittance decreases throughout the width of the spectral band used during the rainy season; the most important jumps of this transmittance are observed around the wave numbers 800 cm-1 and 1050 cm-1.

 

Keywords: Transport; Industries; Hydrocarbons; Carbon oxides; Nitrogen oxides; Radiative forcing; Modtran6

Citation: Sarr D, Diop B, Farota AK, Wade M, Sy A, et al. (2018) Radiative Effects of Carbon Oxides (Cox) and Nitrogen Oxides (Nox) on Radiative Transfer in the Lower Atmosphere of Dakar In 2013. J Pollut 1: 111

Copyright: © 2018 Sarr D, et al . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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