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Zhou, W.J., Wu, S.G., Huo, W.W., Xiong, X.H., Cheng, P., Lu, X.F. and Niu, Z.C. (2014) Tracing Fossil Fuel CO2 Using 14C in Xi’an City, China. Atmospheric Environment, 94, 538-545.
https://doi.org/10.1016/j.atmosenv.2014.05.058

has been cited by the following article:

• TITLE: Theoretical Establishment of the Mass Balance Equation and Determination of the Proportion (S)ff of Fossil Fuels as an Indicator of the Suess Effect

  AUTHORS: Maurice Ndeye, Matar Sène, Doudou Diop

  KEYWORDS: Suess Effect, Radiocarbon, Mass Balance, Fossil Fuel

  JOURNAL NAME: Atmospheric and Climate Sciences, Vol.11 No.1, January 6, 2021

  ABSTRACT: Mass balance equations can be used to quantify the level of fossil carbon dioxide (CO2)ff at a given site by using samples of tree leaves or tree rings. These sites are often densely populated and highly industrialized areas. In this case, in addition to the natural carbon dioxide level of the site, there are several other components that are added to it. The approaches we propose in this paper are based on the isotopic fractionation of carbon and the laws of matter conservation. Mathematical equations are derived from this and we propose approaches to establish them. Our method has allowed us to come to the conclusion of the relationship that is already found in literature. But we term this relationship in another way by introducing the fraction of carbon modern F and the proportion of CO2 derived from fossil fuels, which will be noted (S)ff for the following. As an indicator of the Suess Effect, we have calculated these values in our different sites. Wooded areas sites which are located in urban areas have higher value of proportion of fossil fuel (S)ff .