冷水珊瑚测年与大洋中—深层水碳储库
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黄恩清, 孔乐, 田军
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Dating Methods of Cold-water Corals and Their Application in Reconstructing Carbon-reservoir Ages of Intermediate and Deep Oceans
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Enqing Huang, Le Kong, Jun Tian
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Table 1 U/Th和14C dating results of cold-water corals from Xisha, South China Sea
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珊瑚编号 | 品种 | 经度/°E | 纬度/°N | 水深/m | 取样位置 | 238U/(×10-9,±2σ) | 230Th年龄/(a BP,±2σ) | AMS 14C年龄/(a BP,±1σ) |
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SY067-9-3 | 竹节柳珊瑚 | 110.7107 | 16.5724 | 1 338 | 径向生长轴外缘 | 58.8±0.1 | 18 876±3 470 | - | 径向生长轴中心 | 25.6±0.1 | 1 010±237 | - | SY068-7-2 | 竹节柳珊瑚 | 111.0540 | 16.7546 | 693.9 | 径向生长轴外缘 | 68.3±0.2 | 3 081±275 | - | 径向生长轴中心 | 64.5±0.1 | 2 359±201 | - | 径向生长轴中心 | 47.8±0.1 | 9 387±3 148 | - | SY075-16-2 | 石珊瑚 | 110.6298 | 15.3121 | 577 | 径向生长轴外缘 | 3 602.5±62.7 | 762±142 | 1 885±20 | 径向生长轴中心 | 3 799.7±8.5 | 718±44 | 1 995±20 | SY076-9 | 石珊瑚 | 110.7132 | 16.5726 | 1 294 | 径向生长轴外缘 | 3 830.7±5.5 | 6 154±94 | 5 025±35 | 径向生长轴中心 | 5 098.1±9.3 | 8 823±287 | 5 695±35 |
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