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International Journal of Innovation and Scientific Research
ISSN: 2351-8014
 
 
Thursday 28 March 2024

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Determination of Radiocarbon concentration (∆14C) and CO2 emitted by fossil fuels in Dakar region (SENEGAL) from tree leaves using mass balance equations


Volume 44, Issue 2, September 2019, Pages 144–158

 Determination of Radiocarbon concentration (∆14C) and CO2 emitted by fossil fuels in Dakar region (SENEGAL) from tree leaves using mass balance equations

Matar Sène1 and Maurice Ndeye2

1 Institute of Applied Nuclear Technology, Cheikh Anta Diop University of Dakar, Fann, Senegal
2 Radiocarbon Laboratory, Institut Fondamentale d’Afrique Noire (IFAN), Cheikh Anta Diop University of Dakar, Fann, Senegal

Original language: English

Copyright © 2019 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


The aim of this work is to compare the local Suess effect in Dakar region to the global one during 20th century using tree leaves. Therefore, Δ14C have been measured to give the variability in time. The curve obtained from this study compared to the global one used as reference is lower. The peak of curve for this study is 773‰ in 1964 where the one obtained in the same time by Nydal and Lovesth (1996) in Dakar is 800‰. These differences values are due to the local Suess effect corresponding to the emission of fossil fuel (CO2ff) in the atmosphere. Fossil CO2 (CO2foss) is the major contributor of anthropogenic CO2 to the atmosphere. In order to quantify these emissions the mass balance equations has been used allowing us to investigate the variability of the emissions. These analysis shows that CO2foss decreases in wooded areas and increases in non-wooded areas, i.e. in more industrialized areas.

Author Keywords: Suess effect, fossil fuel CO2, Δ14C, radiocarbon.


How to Cite this Article


Matar Sène and Maurice Ndeye, “Determination of Radiocarbon concentration (∆14C) and CO2 emitted by fossil fuels in Dakar region (SENEGAL) from tree leaves using mass balance equations,” International Journal of Innovation and Scientific Research, vol. 44, no. 2, pp. 144–158, September 2019.