2 100~590 a B.P. Stalagmite Stable Isotope Records from Tian’e Cave and Their Regional Climate Significance
详细信息   
摘要

The authors present in this paper the 230Th-dated stalagmite stable isotope record from Tian’e Cave in Fujian Province, Southeast China. This record provides an Asian Monsoon (AM) history during a time interval from 2 100~590 a B.P.. In the TE2 δ18O record, the long-term decreasing trend correlates well with the Heshang Cave δ18O change, supporting that the Asian Monsoon intensity is controlled by the migration of Inter-tropical Convergence Zone (ITCZ). A comparison between the stalagmite δ18O record and the Total Solar Irradiance record provides strong evidence for solar forcing of East Asian monsoon on centennial to multi-decadal time-scales.

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