Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Matar Sène"'
Publikováno v:
Radiocarbon. 64:397-414
New radiocarbon (14C) dates we obtained in our radiocarbon laboratory equipped with a liquid scintillation counter using BGO (Bi4Ge3012) tubes. The electronic stability of the counter gave a background below 0.2 cpm. Our 14C dates agree well with the
Publikováno v:
Atmospheric and Climate Sciences. 11:114-124
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 additio
Publikováno v:
Geochronometria. 48:16-30
The prehistoric settlement of the west coast of the Senegalese-Mauritanian basin is established from archaeological remains and coal samples collected, sometimes in a stratigraphic context. However, the chronology issued, in the Before Present (BP) a
Publikováno v:
Journal de Physique de la SOAPHYS. 2:C20A18-1
Le comportement de notre environnement dépend de l’équilibre radiatif de son atmosphère et donc, de l’abondance des polluants comme les gaz à effet de serre. Ces gaz anthropogéniques sont dus, en grande partie, aux activités de l’homme de
Publikováno v:
Radiocarbon
Radiocarbon, University of Arizona, 2017, 59 (03), pp.1009-1019. ⟨10.1017/rdc.2017.48⟩
Radiocarbon, 2017, 59 (03), pp.1009-1019. ⟨10.1017/rdc.2017.48⟩
Radiocarbon, University of Arizona, 2017, 59 (03), pp.1009-1019. ⟨10.1017/rdc.2017.48⟩
Radiocarbon, 2017, 59 (03), pp.1009-1019. ⟨10.1017/rdc.2017.48⟩
Radiocarbon (14C) in atmospheric CO2for the Dakar (Senegal) urban area was measured using tree leaves collected by botanists from 1900 to 2003. The aim of our study was to compare the local Suess effect in Dakar to the global one during the 20th cent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c1f29fe5726444c1a0acf70dd964303e
https://hal.archives-ouvertes.fr/hal-01833184
https://hal.archives-ouvertes.fr/hal-01833184
Autor:
Maurice Ndeye, Matar Sène
Publikováno v:
International Journal of Energy and Environmental Science. 4:52
We investigated the atmospheric ∆14C level and the fossil fuel CO2 concentration in Dakar area from 1960 to 2010 by using the radiocarbon measurements obtained from tree leaves samples. We used the Carbon-14 dating method with a Liquid Scintillatio
Publikováno v:
Radiocarbon. 53:167-173
Results obtained from a liquid scintillation counter using BGO (Bi4Ge3012) tubes have produced more precise radiocarbon dates in our laboratory. Duplicate analyses confirm the electronic stability of the counter with a background of 0.1 cpm. Our 14C