A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene

Abstract Understanding the dynamics between the East Asian summer (EASM) and winter monsoon (EAWM) is needed to predict their variability under future global warming scenarios. Here, we investigate the relationship between EASM and EAWM as well as the mechanisms driving their variability during the...

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Autores principales:	Stefanie Kaboth-Bahr, André Bahr, Christian Zeeden, Kweku A. Yamoah, Mahjoor Ahmad Lone, Chih-Kai Chuang, Ludvig Löwemark, Kuo-Yen Wei
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f27591eb46344ef3b844e6c741908598
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spelling	oai:doaj.org-article:f27591eb46344ef3b844e6c7419085982021-12-02T17:04:36ZA tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene10.1038/s41598-021-85444-72045-2322https://doaj.org/article/f27591eb46344ef3b844e6c7419085982021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-85444-7https://doaj.org/toc/2045-2322Abstract Understanding the dynamics between the East Asian summer (EASM) and winter monsoon (EAWM) is needed to predict their variability under future global warming scenarios. Here, we investigate the relationship between EASM and EAWM as well as the mechanisms driving their variability during the last 10,000 years by stacking marine and terrestrial (non-speleothem) proxy records from the East Asian realm. This provides a regional and proxy independent signal for both monsoonal systems. The respective signal was subsequently analysed using a linear regression model. We find that the phase relationship between EASM and EAWM is not time-constant and significantly depends on orbital configuration changes. In addition, changes in the Atlantic Meridional Overturning circulation, Arctic sea-ice coverage, El Niño-Southern Oscillation and Sun Spot numbers contributed to millennial scale changes in the EASM and EAWM during the Holocene. We also argue that the bulk signal of monsoonal activity captured by the stacked non-speleothem proxy records supports the previously argued bias of speleothem climatic archives to moisture source changes and/or seasonality.Stefanie Kaboth-BahrAndré BahrChristian ZeedenKweku A. YamoahMahjoor Ahmad LoneChih-Kai ChuangLudvig LöwemarkKuo-Yen WeiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Stefanie Kaboth-Bahr André Bahr Christian Zeeden Kweku A. Yamoah Mahjoor Ahmad Lone Chih-Kai Chuang Ludvig Löwemark Kuo-Yen Wei A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene
description	Abstract Understanding the dynamics between the East Asian summer (EASM) and winter monsoon (EAWM) is needed to predict their variability under future global warming scenarios. Here, we investigate the relationship between EASM and EAWM as well as the mechanisms driving their variability during the last 10,000 years by stacking marine and terrestrial (non-speleothem) proxy records from the East Asian realm. This provides a regional and proxy independent signal for both monsoonal systems. The respective signal was subsequently analysed using a linear regression model. We find that the phase relationship between EASM and EAWM is not time-constant and significantly depends on orbital configuration changes. In addition, changes in the Atlantic Meridional Overturning circulation, Arctic sea-ice coverage, El Niño-Southern Oscillation and Sun Spot numbers contributed to millennial scale changes in the EASM and EAWM during the Holocene. We also argue that the bulk signal of monsoonal activity captured by the stacked non-speleothem proxy records supports the previously argued bias of speleothem climatic archives to moisture source changes and/or seasonality.
format	article
author	Stefanie Kaboth-Bahr André Bahr Christian Zeeden Kweku A. Yamoah Mahjoor Ahmad Lone Chih-Kai Chuang Ludvig Löwemark Kuo-Yen Wei
author_facet	Stefanie Kaboth-Bahr André Bahr Christian Zeeden Kweku A. Yamoah Mahjoor Ahmad Lone Chih-Kai Chuang Ludvig Löwemark Kuo-Yen Wei
author_sort	Stefanie Kaboth-Bahr
title	A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene
title_short	A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene
title_full	A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene
title_fullStr	A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene
title_full_unstemmed	A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene
title_sort	tale of shifting relations: east asian summer and winter monsoon variability during the holocene
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/f27591eb46344ef3b844e6c741908598
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A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene

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