Stalagmite-inferred centennial variability of the Asian summer monsoon in southwest China between 58 and 79 ka BP

Tao Tao Zhang, Ting Yong Li, Hai Cheng, R. Lawrence Edwards, Chuan Chou Shen, Christoph Spötl, Hong Chun Li, Li Yin Han, Jun Yun Li, Chun Xia Huang, Xin Zhao

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15 Scopus citations


We use a new spliced stalagmite oxygen isotope record from Yangkou Cave and, Chongqing, southwest China, to reconstruct the centennial-millennial-scale changes in Asian Summer Monsoon (ASM) intensity between 58.0 and 79.3 thousand years before present (ka BP, before AD 1950). This multidecadally resolved record shows four strong ASM periods, corresponding to Greenland Interstadials (GIS) 17–20, and three weak ASM episodes, starting at 61.5 ± 0.2 ka BP and ending at 59.4 ± 0.2 ka BP that may correlate with Heinrich Event 6. The close agreement of climate events between China and Greenland supports the notion that the ASM is dominantly governed by high-latitude forcings in the Northern Hemisphere. The short-lived interstadial GIS 18, however, lasted for over 3 kyr in the records derived from ASM region, reflecting a gradual decline of ASM intensity, which coincides with a millennial-scale warming trend in Antarctica. This suggests an additional forcing of the ASM by the Southern Hemisphere, which also affected GIS 8–12, H4 and H5, as shown by previous speleothem studies from the ASM region.

Original languageEnglish (US)
Pages (from-to)1-12
Number of pages12
JournalQuaternary Science Reviews
StatePublished - Mar 15 2017

Bibliographical note

Funding Information:
This research was financially supported by the NSFC (Nos. 41172165, 41302138, and 41440020), ?the Fundamental Research Funds for the Central Universities? (Nos. XDJK2013A012 and XDJK2014C010), ?Karst Dynamics Laboratory, MLR and GZAR? (No. KDL201301) and the open project of ?State Key Laboratory of Loess and Quaternary Geology? (No. SKLLQG1310) to T.-Y. Li and J.-Y. Li. This study was also supported by a Taiwan MOST grant (103-2119-M-002-022 to C.-C.S.).

Publisher Copyright:
© 2017 Elsevier Ltd


  • Asian summer monsoon
  • Greenland interstadials
  • Heinrich event 6
  • Southern Hemisphere
  • Stalagmite δO


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