C and 10 Be in Dust Deposited During the Storm of 16–17 April 2006 in Beijing
Bibliographic Data
| ID | 9245369 |
|---|---|
| Authors | C D Shen, W X Yi, P Ding, K X Liu, X M Xu |
| Year | 2013 |
| Volume | 55 |
| Issue | 3 |
| Pages | 1790-1800 |
| Publication date | 2013-01-01 |
| 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/s0033822200048694 |
| OpenAlex | W1995679121 |
| Language | EN |
| References cited | 34 |
The concentrations of 10 Be and 14 C and values of δ 13 C in samples collected during a major dust storm in Beijing on 16–17 April 2006 were studied. The 10 Be concentrations ranged from 1.69 × 10 8 to 2.07 × 10 8 atom/g, 14 C ages for black carbon (BC) ranged from 3001 to 5181 yr BP and for total inorganic carbon (TIC) from 8464 to 9119 yr BP, and δ 13 C values for BC ranged from -23.15% to -23.80% and for TIC from -5.39% to -5.98%. A comparison of BC content and δ 13 C value between the dust, surface soil in the dust source region, and aerosols in Beijing indicated that BC in the dust deposited in Beijing is significantly incorporated by aerosol BC during the dust transportation. Based on the 14 C ages of BC, the proportion of fossil-fuel-derived BC was 0.35–0.49 of the total. In contrast to BC, the TIC deposited in Beijing can be firmly related to the source area and δ 13 C was not significantly modified during its transportation. According to the 14 C ages of TIC, the proportion of the secondary carbonate in the dust was from 0.63 to 0.70. The results confirm that 14 C of TIC is another useful tracer to indicate the source region of dust besides the content and δ 13 C value of TIC from the arid and semi-arid regions of China
Aerosol · Arid · Asian Dust · Atmospheric sciences · Beijing · Carbon fibers · Carbonate · China · Dust storm · Geography · Mineralogy · Physics · Total organic carbon · TRACER · Atmospheric chemistry and aerosols · Chemistry · Environmental Science · Geology and Paleoclimatology Research · Materials Science · Radioactivity and Radon Measurements · Environmental Chemistry · Geology
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| Highly cited | No |
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