A high-resolved record of the Asian Summer Monsoon from Dongge Cave, China for the past 1200 years
A high-resolved record of the Asian Summer Monsoon from Dongge Cave, China for the past 1200 years
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中国东阁洞近1200年来亚洲夏季风的高分辨率记录
DOI:
10.1016/j.quascirev.2015.05.030
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发表时间:
2015-08
影响因子:
4
通讯作者:
Xinggong Kong
中科院分区:
文献类型:
--
作者:
R. Lawrence Edwards;Hai Cheng;Dianbing Liu;Xinggong Kong
Two annually-laminated and230Th-dated stalagmite oxygen isotope (δ18O) records from Dongge Cave, China, provided a high-resolution Asian Summer Monsoon (ASM) history for the past 1200 years. A close similarity between annual band thickness and stable isotope analyses (δ13C and δ18O) suggests the calcite δ18O is most likely a proxy associated with ASM precipitation. The two duplicated stalagmite δ18O records show that the ASM varies at a periodicity of ∼220 years, concordant with a dominant cycle of solar activity. A period of strong ASM activity occurred during the Spörer Minimum (1450–1550 A.D.), followed by a striking drop circa 1580 A.D., potentially consistent with the social unrest in the final decades of China's Ming Dynasty (1368–1644 A.D.). Centennial-scale changes in ASM precipitation over the last millennium match well with changes in tropical Atlantic sea surface temperatures (SSTs) and South American summer monsoon precipitation. Our findings suggest that variations in low-latitude monsoon precipitation are probably driven by shifts in the mean position of the intertropical convergence zone (ITCZ), which is further mediated by solar activity and tropical SSTs.
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影响因子:
4.6
作者:
Bin Wang;S. An
通讯作者:
Bin Wang;S. An
影响因子:
--
作者:
通讯作者:
--
影响因子:
18.3
作者:
Sachs, Julian P.;Sachse, Dirk;Golubic, Stjepko
通讯作者:
Golubic, Stjepko
影响因子:
0.9
作者:
Dorale, Jeffrey A.;Liu, Zaihua
通讯作者:
Liu, Zaihua
影响因子:
56.9
作者:
Fleitmann, D;Burns, SJ;Matter, A
通讯作者:
Matter, A