| Complicated responses of stalagmite δ ~(13)C to climate change during the last glaciation from Hulu Cave, Nanjing,China |
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| 作者姓名： | R. L. Edwards |
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| 作者单位： | Department of |
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| 摘 要： | Secondary carbonates deposited inside caves have been considered as good archives of past climate variations at orbital, millennial to centennial, and de-cadal to annual timescales1-3]. Change in δ 13C value is generally believed to reflect a change in the ratio of C4 to C3 plants, which have different photosynthetic pathways4]. However, for given vegetation, the bio-genic CO2 production in soils can cause δ 13C to vary from ?12‰ to ?4‰5]. Also, enhanced precipitation can lead to rapi…
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| 关 键 词： | Hulu Cave stalagmite δ ~(13)C last glacial period. |
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