Asynchronous variation in the Quaternary East Asian winter monsoon associated with the tropical Pacific ENSO‐like system


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GongXun.Allen [ at ] awi.de

Abstract

Quaternary East Asian winter monsoon (EAWM) evolution has long been attributed to high‐latitude Northern Hemisphere climate change. However, it cannot explain the distinct relationships of the EAWM in the northern and southern East Asian marginal sea in paleoclimatic records. Here we present an EAWM record of the northern East China Sea over the past 300 ka and a transient climate simulation with the Kiel Climate Model through the Holocene. Both proxy record and simulation suggest anticorrelated long‐term EAWM evolution between the northern East China Sea and the South China Sea. We suggest that this spatial discrepancy of EAWM can be interpreted as El Niño–Southern Oscillation (ENSO)‐like controlling, which generates cyclonic/anticyclonic wind anomalies in the northern/southern East Asian marginal sea. This research explains much of the controversy in nonorbital scale variability of Quaternary EAWM records in the East Asian marginal sea and supports a potent role of tropical forcing in East Asian winter climate change.



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ISI/Scopus peer-reviewed
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Published
Eprint ID
49811
DOI 10.1029/2019GL083033

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Zhao, D. , Wan, S. , Song, Z. , Gong, X. , Zhai, L. , Shi, X. and Li, A. (2019): Asynchronous variation in the Quaternary East Asian winter monsoon associated with the tropical Pacific ENSO‐like system , Geophysical Research Letters, 46 . doi: 10.1029/2019GL083033


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