ΔR Correction Values for the Northern Indian Ocean
Apparent marine radiocarbon ages are reported for the northern Indian Ocean region for the pre-nuclear period, based on measurements made in seven mollusk shells collected between 1930 and 1954. The conventional 14C ages of these shells range from 693 ± 44 to 434 ± 51 BP in the Arabian Sea and 511 ±...
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| Veröffentlicht in: | Radiocarbon 2001, Vol.43 (2A), p.483-488 |
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| container_title | Radiocarbon |
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| creator | Dutta, Koushik Bhushan, Ravi Somayajulu, B L K |
| description | Apparent marine radiocarbon ages are reported for the northern Indian Ocean region for the pre-nuclear period, based on measurements made in seven mollusk shells collected between 1930 and 1954. The conventional 14C ages of these shells range from 693 ± 44 to 434 ± 51 BP in the Arabian Sea and 511 ± 34 to 408 ± 51 BP in the Bay of Bengal. These ages correspond to mean ΔR correction values of 163 ± 30 yr for the northern Arabian Sea, 11 ± 35 yr for the eastern Bay of Bengal (Andaman Sea) and 32 ± 20 yr for the southern Bay of Bengal. Contrasting reservoir ages for these two basins are most likely due to differences in their thermocline ventilation rates. |
| doi_str_mv | 10.1017/S0033822200038376 |
| format | Article |
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The conventional 14C ages of these shells range from 693 ± 44 to 434 ± 51 BP in the Arabian Sea and 511 ± 34 to 408 ± 51 BP in the Bay of Bengal. These ages correspond to mean ΔR correction values of 163 ± 30 yr for the northern Arabian Sea, 11 ± 35 yr for the eastern Bay of Bengal (Andaman Sea) and 32 ± 20 yr for the southern Bay of Bengal. Contrasting reservoir ages for these two basins are most likely due to differences in their thermocline ventilation rates.</description><identifier>ISSN: 0033-8222</identifier><identifier>EISSN: 1945-5755</identifier><identifier>DOI: 10.1017/S0033822200038376</identifier><language>eng</language><publisher>New York, US: Cambridge University Press</publisher><subject>Brackish ; D. Reservoir Age ; Environmental studies ; Fauna ; II. 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The conventional 14C ages of these shells range from 693 ± 44 to 434 ± 51 BP in the Arabian Sea and 511 ± 34 to 408 ± 51 BP in the Bay of Bengal. These ages correspond to mean ΔR correction values of 163 ± 30 yr for the northern Arabian Sea, 11 ± 35 yr for the eastern Bay of Bengal (Andaman Sea) and 32 ± 20 yr for the southern Bay of Bengal. Contrasting reservoir ages for these two basins are most likely due to differences in their thermocline ventilation rates.</description><subject>Brackish</subject><subject>D. Reservoir Age</subject><subject>Environmental studies</subject><subject>Fauna</subject><subject>II. 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| ispartof | Radiocarbon, 2001, Vol.43 (2A), p.483-488 |
| issn | 0033-8222 1945-5755 |
| language | eng |
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| source | Electronic Journals Library; Cambridge Journals Online; Free Full-Text Journals in Chemistry |
| subjects | Brackish D. Reservoir Age Environmental studies Fauna II. Getting More from the Data Methodology and general studies Prehistory and protohistory |
| title | ΔR Correction Values for the Northern Indian Ocean |
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