Anthropogenic CO 2 in the Dakar (Senegal) Urban Area Deduced from 14 C Concentration in Tree Leaves
Bibliographic Data
| ID | 9243938 |
|---|---|
| Authors | Maurice Ndeye (0000-0003-3149-8203), Matar Sène, Doudou Diop, Jean-François Saliège |
| Year | 2017 |
| Volume | 59 |
| Issue | 3 |
| Pages | 1009-1019 |
| Publication date | 2017-06-01 |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Radiocarbon (JOURNAL) |
| Journal identifiers | ISSN: 0033-8222 • E-ISSN: 1945-5755 |
| Publisher | Cambridge University Press (CUP) (PUBLISHER) |
| DOI | 10.1017/rdc.2017.48 |
| OpenAlex | W2900181578 |
| Language | EN |
| Citations received | 6 |
| References cited | 16 |
Radiocarbon ( 14 C) in atmospheric CO 2 for 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 century. The ∆ 14 C of atmospheric CO 2 in this region decreased from 1900 to 1958 during the pre-bomb era (–2±5‰ to –22±4‰). From 1958 to 1964, nuclear bomb tests injected a large amount of artificial 14 C into the atmosphere, reflected in the rise of ∆ 14 C values. In the Dakar region, the atmospheric ∆ 14 C reached 773±8‰ in 1964, but subsequently decreased to 80±5‰ by 2003, which is consistent with the global exponential decreasing trend. The ∆ 14 C record presented here remains slightly lower than the global record. This result is attributed to the input of anthropogenic fossil carbon into the atmosphere. The amount of carbon input can be evaluated by comparing urban areas to those of clean air sites. The calculation of anthropogenic fossil carbon is deduced from a simple mathematical model
Atmospheric sciences · Carbon fibers · Geography · Isotopes of carbon · Meteorology · Physical geography · Radiocarbon dating · Total organic carbon · Atmospheric and Environmental Gas Dynamics · Chemistry · Environmental Science · Geochemistry and Geologic Mapping · Geology and Paleoclimatology Research · Materials Science · Environmental Chemistry · Geology · Paleontology
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| Citations per year | 0.86 |
|---|---|
| Citation span | 2019 - 2025 (7) |
| Highly cited | No |